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Fasteners > Bolts Screws & Cap Screws (ET04) - (44225 Products)

Fasteners > Bolts Screws & Cap Screws (ET04)

Class XX Master Ring Gages; Material: Solid Carbide; Tolerance (Decimal Inch): +0.00002/-0.00002; Blank Number Wire Size: #6; Inner Diameter (Decimal Inch): 1.9251; Calibrated: Yes; Traceability Certification Included: NIST; Standards: B47.1 Gage Standard

Class XX Master Ring Gages; Material: Solid Carbide; Tolerance (Decimal Inch): +0.00002/-0.00002; Blank Number Wire Size: #6; Inner Diameter (Decimal Inch): 1.9251; Calibrated: Yes; Traceability Certification Included: NIST; Standards: B47.1 Gage Standard


Item #: 40387052
Brand: Glastonbury Gage & Southern Gage - GSG
Model #: GSG-CR-1.9251MC

Product Specifications

Material Solid Carbide
Tolerance (Decimal Inch) +0.00002/-0.00002
Blank Number Wire Size #6
Inner Diameter (Decimal Inch) 1.9251
Calibrated Yes
Traceability Certification Included NIST
Standards B47.1 Gage Standards; ASME B89.1.6
Go/No Go Master
UNSPSC Code 41111619

$2,089.02

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Holo-Krome - 3/4" Shoulder Diam x 5" Shoulder Length, 5/8-11 UNRC, Hex Socket Shoulder Screw - 8 Alloy Steel, Uncoated, 0.977 to 1" Head Diam - Top Tool & Supply

Holo-Krome - 3/4" Shoulder Diam x 5" Shoulder Length, 5/8-11 UNRC, Hex Socket Shoulder Screw - 8 Alloy Steel, Uncoated, 0.977 to 1" Head Diam


Item #: 75657502
Brand: Holo-Krome
Model #: 08146
Exact Tooling IR#: 04

Features and Benefits

Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
Type Shoulder Screw
System of Measurement Inch
Shoulder Diameter (Inch) 3/4
Shoulder Diameter (Decimal Inch) 0.7500
Thread Size 5/8-11
Shoulder Length (Inch) 5
Drive Type Hex Socket
Material Grade 8
Material Alloy Steel
Finish/Coating Uncoated
Head Height (Decimal Inch) 0.490 to 0.500
Thread Standard UNRC
Fastener Standard ASME B1.1; ASME B18.3
Hex Key Size (Inch) 3/8
Hex Key Size (Decimal Inch) 0.3750
Head Diameter (Decimal Inch) 0.9770 to 1.0000

$55.95

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Class XX Minus Ring Gages; Material: Solid Carbide; Tolerance (Decimal Inch): 0.00000/-0.00002; Blank Number Wire Size: #2; Inner Diameter (Decimal Inch): 0.3744; Calibrated: Yes; Traceability Certification Included: NIST; Go/No Go: Go; Standards: B47.1

Class XX Minus Ring Gages; Material: Solid Carbide; Tolerance (Decimal Inch): 0.00000/-0.00002; Blank Number Wire Size: #2; Inner Diameter (Decimal Inch): 0.3744; Calibrated: Yes; Traceability Certification Included: NIST; Go/No Go: Go; Standards: B47.1


Item #: 65118564
Brand: GSG
Model #: GSG-CR-0.3744C

Product Specifications

Material Solid Carbide
Tolerance (Decimal Inch) 0.00000/-0.00002
Blank Number Wire Size #2
Inner Diameter (Decimal Inch) 0.3744
Calibrated Yes
Traceability Certification Included NIST
Go/No Go Go
Standards B47.1 Gage Standards; ASME B89.1.6
UNSPSC Code 41111619
Material Solid Carbide
Tolerance (Decimal Inch) 0.00000/-0.00002
Blank Number Wire Size #2
Inner Diameter (Decimal Inch) 0.3744
Calibrated Yes
Traceability Certification Included NIST
Go/No Go Go
Standards B47.1 Gage Standards; ASME B89.1.6
UNSPSC Code 41111619
MSC Part # 65118564
Mfr Part # GSG-CR-0.3744C
Country of Origin Country of Origin is subject to change UNITED STATES

$673.11

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Unbrako - 3/8" Shoulder Diam x 1-3/4" Shoulder Length, 5/16-18 UNC, Hex Socket Shoulder Screw - 8 Alloy Steel, 0.543 to 0.562" Head Diam - Top Tool & Supply

Unbrako - 3/8" Shoulder Diam x 1-3/4" Shoulder Length, 5/16-18 UNC, Hex Socket Shoulder Screw - 8 Alloy Steel, 0.543 to 0.562" Head Diam


Item #: 67870600
Brand: Unbrako
Model #: 114133
Exact Tooling IR#: 04

Features and Benefits

Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
Type Shoulder Screw
System of Measurement Inch
Shoulder Diameter (Inch) 3/8
Shoulder Diameter (Decimal Inch) 0.3710 to 0.3730
Thread Size 5/16-18
Shoulder Length (Inch) 1-3/4
Drive Type Hex Socket
Material Grade 8
Material Alloy Steel
Head Height (Decimal Inch) 0.240 to 0.250
Thread Standard UNC
Fastener Standard ANSI B1803; BS 2470
Hex Key Size (Inch) 3/16
Hex Key Size (Decimal Inch) 0.1875
Head Diameter (Decimal Inch) 0.5430 to 0.5620

$378.81

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Value Collection - 1/4" Shoulder Diam x 1/4" Shoulder Length, #10-32 UNF, Hex Socket Shoulder Screw - 4140 Alloy Steel, Uncoated, 3/16" Head Height x 3/8" Head Diam - Top Tool & Supply

Value Collection - 1/4" Shoulder Diam x 1/4" Shoulder Length, #10-32 UNF, Hex Socket Shoulder Screw - 4140 Alloy Steel, Uncoated, 3/16" Head Height x 3/8" Head Diam


Item #: 40208522
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
Type Shoulder Screw
System of Measurement Inch
Shoulder Diameter (Inch) 1/4
Shoulder Diameter (Decimal Inch) 0.2500
Thread Size #10-32
Shoulder Length (Inch) 1/4
Drive Type Hex Socket
Material Grade 4140
Material Alloy Steel
Finish/Coating Uncoated
Head Height (Decimal Inch) 0.177 to 0.188
Head Height (Inch) 3/16
Thread Standard UNF
Fastener Standard ANSI B18.3; ASME/ANSI B18.3; ASTM A574
Hex Key Size (Inch) 1/8
Hex Key Size (Decimal Inch) 0.1250
Head Diameter (Decimal Inch) 0.3570 to 0.3750
Head Diameter (Inch) 3/8
Thread Depth (Inch) 3/8

$307.30

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Made in USA - 3/8" Shoulder Diam x 1/2" Shoulder Length, 5/16-18 UNC, Hex Socket Shoulder Screw - 300, 18-8 Stainless Steel, Uncoated, 1/4" Head Height x 9/16" Head Diam - Top Tool & Supply

Made in USA - 3/8" Shoulder Diam x 1/2" Shoulder Length, 5/16-18 UNC, Hex Socket Shoulder Screw - 300, 18-8 Stainless Steel, Uncoated, 1/4" Head Height x 9/16" Head Diam


Item #: 88618178
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Product Specifications
Type Shoulder Screw
System of Measurement Inch
Shoulder Diameter (Inch) 3/8
Shoulder Diameter (Decimal Inch) 0.3750
Thread Size 5/16-18
Shoulder Length (Inch) 1/2
Drive Type Hex Socket
Material Grade 300; 18-8
Material Stainless Steel
Finish/Coating Uncoated
Head Height (Decimal Inch) 0.240 to 0.250
Head Height (Inch) 1/4
Thread Standard UNC
Fastener Standard ANSI B18.3; BS 2470
Hex Key Size (Inch) 3/16
Hex Key Size (Decimal Inch) 0.1875
Head Diameter (Decimal Inch) 0.5430 to 0.5620
Head Diameter (Inch) 9/16
Thread Depth (Inch) 1/2

$8.38

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Value Collection - 3/4" Shoulder Diam x 1" Shoulder Length, 5/8-11 UNC, Hex Socket Shoulder Screw - 4140 Alloy Steel, Uncoated, 1/2" Head Height x 1" Head Diam - Top Tool & Supply

Value Collection - 3/4" Shoulder Diam x 1" Shoulder Length, 5/8-11 UNC, Hex Socket Shoulder Screw - 4140 Alloy Steel, Uncoated, 1/2" Head Height x 1" Head Diam


Item #: 83044024
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
Type Shoulder Screw
System of Measurement Inch
Shoulder Diameter (Inch) 3/4
Shoulder Diameter (Decimal Inch) 0.7500
Thread Size 5/8-11
Shoulder Length (Inch) 1
Drive Type Hex Socket
Material Grade 4140
Material Alloy Steel
Finish/Coating Uncoated
Head Height (Decimal Inch) 0.490 to 0.500
Head Height (Inch) 1/2
Thread Standard UNC
Fastener Standard ANSI B18.3; ASME/ANSI B18.3; ASTM A574
Hex Key Size (Inch) 3/8
Hex Key Size (Decimal Inch) 0.3750
Head Diameter (Decimal Inch) 0.9770 to 1.0000
Head Diameter (Inch) 1
Thread Depth (Inch) 7/8

$17.96

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Holo-Krome - 1/2" Shoulder Diam x 4" Shoulder Length, 3/8-16 UNRC, Hex Socket Shoulder Screw - 8 Alloy Steel, Uncoated, 0.729 to 3/4" Head Diam - Top Tool & Supply

Holo-Krome - 1/2" Shoulder Diam x 4" Shoulder Length, 3/8-16 UNRC, Hex Socket Shoulder Screw - 8 Alloy Steel, Uncoated, 0.729 to 3/4" Head Diam


Item #: 75654400
Brand: Holo-Krome
Model #: 08094
Exact Tooling IR#: 04

Features and Benefits

Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
Type Shoulder Screw
System of Measurement Inch
Shoulder Diameter (Inch) 1/2
Shoulder Diameter (Decimal Inch) 0.5000
Thread Size 3/8-16
Shoulder Length (Inch) 4
Drive Type Hex Socket
Material Grade 8
Material Alloy Steel
Finish/Coating Uncoated
Head Height (Decimal Inch) 0.302 to 0.312
Thread Standard UNRC
Fastener Standard ASME B1.1; ASME B18.3
Hex Key Size (Inch) 1/4
Hex Key Size (Decimal Inch) 0.2500
Head Diameter (Decimal Inch) 0.7290 to 0.7500

$1,927.42

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Made in USA - 5/16" Shoulder Diam x 1-3/4" Shoulder Length, 1/4-20 UNC, Hex Socket Shoulder Screw - 8 Alloy Steel, 0.419 to 0.438" Head Diam - Top Tool & Supply

Made in USA - 5/16" Shoulder Diam x 1-3/4" Shoulder Length, 1/4-20 UNC, Hex Socket Shoulder Screw - 8 Alloy Steel, 0.419 to 0.438" Head Diam


Item #: 60571189
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
Type Shoulder Screw
System of Measurement Inch
Shoulder Diameter (Inch) 5/16
Shoulder Diameter (Decimal Inch) 0.3125
Thread Size 1/4-20
Shoulder Length (Inch) 1-3/4
Drive Type Hex Socket
Material Grade 8
Material Alloy Steel
Head Height (Decimal Inch) 0.209 to 0.219
Thread Standard UNC
Fastener Standard ANSI B18.3; BS 2470
Hex Key Size (Inch) 5/32
Hex Key Size (Decimal Inch) 0.1563
Head Diameter (Decimal Inch) 0.4190 to 0.4380

$88.00

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Value Collection - 1/2" Shoulder Diam x 1-3/4" Shoulder Length, 3/8-16 UNC, Hex Socket Shoulder Screw - 18-8 Stainless Steel - Top Tool & Supply

Value Collection - 1/2" Shoulder Diam x 1-3/4" Shoulder Length, 3/8-16 UNC, Hex Socket Shoulder Screw - 18-8 Stainless Steel


Item #: 67554642
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Product Specifications
Type Shoulder Screw
System of Measurement Inch
Shoulder Diameter (Inch) 1/2
Shoulder Diameter (Decimal Inch) 0.5000
Thread Size 3/8-16
Shoulder Length (Inch) 1-3/4
Drive Type Hex Socket
Material Grade 18-8
Material Stainless Steel
Thread Standard UNC
Hex Key Size (Inch) 1/4

$16.25

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Made in USA - 3/8" Shoulder Diam x 2-3/4" Shoulder Length, 5/16-18 UNC, Hex Socket Shoulder Screw - 8 Alloy Steel, 0.543 to 0.562" Head Diam - Top Tool & Supply

Made in USA - 3/8" Shoulder Diam x 2-3/4" Shoulder Length, 5/16-18 UNC, Hex Socket Shoulder Screw - 8 Alloy Steel, 0.543 to 0.562" Head Diam


Item #: 60572286
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
Type Shoulder Screw
System of Measurement Inch
Shoulder Diameter (Inch) 3/8
Shoulder Diameter (Decimal Inch) 0.3750
Thread Size 5/16-18
Shoulder Length (Inch) 2-3/4
Drive Type Hex Socket
Material Grade 8
Material Alloy Steel
Head Height (Decimal Inch) 0.240 to 0.250
Thread Standard UNC
Fastener Standard ANSI B18.3; BS 2470
Hex Key Size (Inch) 3/16
Hex Key Size (Decimal Inch) 0.1875
Head Diameter (Decimal Inch) 0.5430 to 0.5620

$579.35

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Value Collection - 3/4" Shoulder Diam x 4-1/2" Shoulder Length, 5/8-11 UNC, Hex Socket Shoulder Screw - 8 Alloy Steel, Uncoated, 0.977 to 1" Head Diam - Top Tool & Supply

Value Collection - 3/4" Shoulder Diam x 4-1/2" Shoulder Length, 5/8-11 UNC, Hex Socket Shoulder Screw - 8 Alloy Steel, Uncoated, 0.977 to 1" Head Diam


Item #: 05657457
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
Type Shoulder Screw
System of Measurement Inch
Shoulder Diameter (Inch) 3/4
Shoulder Diameter (Decimal Inch) 0.7500
Thread Size 5/8-11
Shoulder Length (Inch) 4-1/2
Drive Type Hex Socket
Material Grade 8
Material Alloy Steel
Finish/Coating Uncoated
Head Height (Decimal Inch) 0.490 to 0.500
Thread Standard UNC
Fastener Standard ANSI B18.3; ASME/ANSI B18.3; ASTM A574
Hex Key Size (Inch) 3/8
Hex Key Size (Decimal Inch) 0.3750
Head Diameter (Decimal Inch) 0.9770 to 1.0000

$12.42

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Class XX Master Ring Gages; Material: Solid Carbide; Tolerance (Decimal Inch): +0.00001/-0.00001; Blank Number Wire Size: #000; Inner Diameter (Decimal Inch): 0.0445; Calibrated: Yes; Traceability Certification Included: NIST; Standards: B47.1 Gage Standa

Class XX Master Ring Gages; Material: Solid Carbide; Tolerance (Decimal Inch): +0.00001/-0.00001; Blank Number Wire Size: #000; Inner Diameter (Decimal Inch): 0.0445; Calibrated: Yes; Traceability Certification Included: NIST; Standards: B47.1 Gage Standa


Item #: 59874685
Brand: Glastonbury Gage & Southern Gage - GSG
Model #: GSG-CR-0.0445MC

Product Specifications

Material Solid Carbide
Tolerance (Decimal Inch) +0.00001/-0.00001
Blank Number Wire Size #000
Inner Diameter (Decimal Inch) 0.0445
Calibrated Yes
Traceability Certification Included NIST
Standards B47.1 Gage Standards; ASME B89.1.6
Go/No Go Master
UNSPSC Code 41111619
Material Solid Carbide
Tolerance (Decimal Inch) +0.00001/-0.00001
Blank Number Wire Size #000
Inner Diameter (Decimal Inch) 0.0445
Calibrated Yes
Traceability Certification Included NIST
Standards B47.1 Gage Standards; ASME B89.1.6
Go/No Go Master
UNSPSC Code 41111619
MSC Part # 59874685
Mfr Part # GSG-CR-0.0445MC
Country of Origin Country of Origin is subject to change UNITED STATES

$828.58

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Made in USA - 1" Shoulder Diam x 4" Shoulder Length, 3/4-10 UNC, Hex Socket Shoulder Screw - 4000 Alloy Steel, Uncoated, 1-5/16" Head Diam - Top Tool & Supply

Made in USA - 1" Shoulder Diam x 4" Shoulder Length, 3/4-10 UNC, Hex Socket Shoulder Screw - 4000 Alloy Steel, Uncoated, 1-5/16" Head Diam


Item #: 00839910
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
Type Shoulder Screw
System of Measurement Inch
Shoulder Diameter (Inch) 1
Shoulder Diameter (Decimal Inch) 0.9960 to 0.9980
Thread Size 3/4-10
Shoulder Length (Inch) 4
Drive Type Hex Socket
Material Grade 4000
Material Alloy Steel
Finish/Coating Uncoated
Head Height (Decimal Inch) 0.5270
Thread Standard UNC
Fastener Standard ASME B18.3
Hex Key Size (Inch) 1/2
Hex Key Size (Decimal Inch) 0.5000
Head Diameter (Decimal Inch) 1.2870 to 1.3120
Head Diameter (Inch) 1-5/16
Thread Depth (Inch) 1

$127.25

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Unbrako - 3/8" Shoulder Diam x 3-1/2" Shoulder Length, 5/16-18 UNC, Hex Socket Shoulder Screw - 8 Alloy Steel, 0.543 to 0.562" Head Diam - Top Tool & Supply

Unbrako - 3/8" Shoulder Diam x 3-1/2" Shoulder Length, 5/16-18 UNC, Hex Socket Shoulder Screw - 8 Alloy Steel, 0.543 to 0.562" Head Diam


Item #: 67870881
Brand: Unbrako
Model #: 120069
Exact Tooling IR#: 04

Features and Benefits

Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
Type Shoulder Screw
System of Measurement Inch
Shoulder Diameter (Inch) 3/8
Shoulder Diameter (Decimal Inch) 0.3710 to 0.3730
Thread Size 5/16-18
Shoulder Length (Inch) 3-1/2
Drive Type Hex Socket
Material Grade 8
Material Alloy Steel
Head Height (Decimal Inch) 0.240 to 0.250
Thread Standard UNC
Fastener Standard ANSI B1803; BS 2470
Hex Key Size (Inch) 3/16
Hex Key Size (Decimal Inch) 0.1875
Head Diameter (Decimal Inch) 0.5430 to 0.5620

$660.97

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Made in USA - 3/8" Shoulder Diam x 3-3/4" Shoulder Length, 5/16-18 UNC, Hex Socket Shoulder Screw - 8 Alloy Steel, 0.543 to 0.562" Head Diam - Top Tool & Supply

Made in USA - 3/8" Shoulder Diam x 3-3/4" Shoulder Length, 5/16-18 UNC, Hex Socket Shoulder Screw - 8 Alloy Steel, 0.543 to 0.562" Head Diam


Item #: 60572385
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
Type Shoulder Screw
System of Measurement Inch
Shoulder Diameter (Inch) 3/8
Shoulder Diameter (Decimal Inch) 0.3750
Thread Size 5/16-18
Shoulder Length (Inch) 3-3/4
Drive Type Hex Socket
Material Grade 8
Material Alloy Steel
Head Height (Decimal Inch) 0.240 to 0.250
Thread Standard UNC
Fastener Standard ANSI B18.3; BS 2470
Hex Key Size (Inch) 3/16
Hex Key Size (Decimal Inch) 0.1875
Head Diameter (Decimal Inch) 0.5430 to 0.5620

$386.69

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Value Collection - 5/16" Shoulder Diam x 2-1/4" Shoulder Length, 1/4-20 UNC, Hex Socket Shoulder Screw - 18-8 Stainless Steel, Uncoated, 7/32" Head Height x 7/16" Head Diam - Top Tool & Supply

Value Collection - 5/16" Shoulder Diam x 2-1/4" Shoulder Length, 1/4-20 UNC, Hex Socket Shoulder Screw - 18-8 Stainless Steel, Uncoated, 7/32" Head Height x 7/16" Head Diam


Item #: 88627930
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Product Specifications
Type Shoulder Screw
System of Measurement Inch
Shoulder Diameter (Inch) 5/16
Shoulder Diameter (Decimal Inch) 0.3125
Thread Size 1/4-20
Shoulder Length (Inch) 2-1/4
Drive Type Hex Socket
Material Grade 18-8
Material Stainless Steel
Finish/Coating Uncoated
Head Height (Inch) 7/32
Thread Standard UNC
Hex Key Size (Inch) 5/32
Head Diameter (Inch) 7/16
Thread Depth (Inch) 7/16

$7.41

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Holo-Krome - 3/8" Shoulder Diam x 2-1/4" Shoulder Length, 5/16-18 UNRC, Hex Socket Shoulder Screw - 8 Alloy Steel, Uncoated, 0.543 to 0.562" Head Diam - Top Tool & Supply

Holo-Krome - 3/8" Shoulder Diam x 2-1/4" Shoulder Length, 5/16-18 UNRC, Hex Socket Shoulder Screw - 8 Alloy Steel, Uncoated, 0.543 to 0.562" Head Diam


Item #: 75652222
Brand: Holo-Krome
Model #: 08052
Exact Tooling IR#: 04

Features and Benefits

Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
Type Shoulder Screw
System of Measurement Inch
Shoulder Diameter (Inch) 3/8
Shoulder Diameter (Decimal Inch) 0.3750
Thread Size 5/16-18
Shoulder Length (Inch) 2-1/4
Drive Type Hex Socket
Material Grade 8
Material Alloy Steel
Finish/Coating Uncoated
Head Height (Decimal Inch) 0.240 to 0.250
Thread Standard UNRC
Fastener Standard ASME B1.1; ASME B18.3
Hex Key Size (Inch) 3/16
Hex Key Size (Decimal Inch) 0.1875
Head Diameter (Decimal Inch) 0.5430 to 0.5620

$984.86

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Unbrako - 1/2" Shoulder Diam x 2-1/2" Shoulder Length, 3/8-16 UNC, Hex Socket Shoulder Screw - 8 Alloy Steel, 0.729 to 3/4" Head Diam - Top Tool & Supply

Unbrako - 1/2" Shoulder Diam x 2-1/2" Shoulder Length, 3/8-16 UNC, Hex Socket Shoulder Screw - 8 Alloy Steel, 0.729 to 3/4" Head Diam


Item #: 67871368
Brand: Unbrako
Model #: 113476
Exact Tooling IR#: 04

Features and Benefits

Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
Type Shoulder Screw
System of Measurement Inch
Shoulder Diameter (Inch) 1/2
Shoulder Diameter (Decimal Inch) 0.4960 to 0.4980
Thread Size 3/8-16
Shoulder Length (Inch) 2-1/2
Drive Type Hex Socket
Material Grade 8
Material Alloy Steel
Head Height (Decimal Inch) 0.302 to 0.312
Thread Standard UNC
Fastener Standard ANSI B1803; BS 2470
Hex Key Size (Inch) 1/4
Hex Key Size (Decimal Inch) 0.2500
Head Diameter (Decimal Inch) 0.7290 to 0.7500

$819.35

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Made in USA - 10mm Shoulder Diam x 8mm Shoulder Length, M8x1.25 Metric Coarse, Hex Socket Shoulder Screw - 303, 18-8 Stainless Steel, Uncoated, 7mm Head Height x 14mm Head Diam - Top Tool & Supply

Made in USA - 10mm Shoulder Diam x 8mm Shoulder Length, M8x1.25 Metric Coarse, Hex Socket Shoulder Screw - 303, 18-8 Stainless Steel, Uncoated, 7mm Head Height x 14mm Head Diam


Item #: 01672674
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Product Specifications
Type Shoulder Screw
System of Measurement Metric
Shoulder Diameter (mm) 10.00
Thread Size M8x1.25
Shoulder Length (mm) 8.00
Drive Type Hex Socket
Material Grade 303; 18-8
Material Stainless Steel
Finish/Coating Uncoated
Head Height (mm) 7.00
Thread Standard Metric Coarse
Hex Key Size (mm) 5.00
Head Diameter (mm) 14.00

$11.93

2% Off All Online Orders
Use Code: 2%OFF

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