Hex Cap Screw, Grade 9, Alloy Steel, Zinc Finish, Fine Thread, 9/32" Head Height, 9/16" Across Flats, 3/8-24 x 3/4"
(Pack of 100)

SKU:A831 Item#: A831

Tru-Torq®

• Ultra-high-strength matched component fastening system
• 20% stronger than Grade 8
• Fatigue/vibration-resistant UNJ thread design
• 20% higher-than-normal wrenching surface for increased safety and even distribution of torque forces
• Heat-treated, quenched and tempered
• Perma Plated for superior corrosion protection
• Proprietary head marking for improved traceability
• Diameter marked on head for easy identification
• Trailing thread does not enter the extrusion angle
• Increased length of chamfer allows easier alignment and assembly
• Matched strength nuts, flat washers and lock nuts available
• Minimum 180,000 PSI tensile strength
• Exceeds SAE, ASTM and Military Grade 8 strength requirements
• Designed for the most demanding maintenance requirements
• For use in critical applications
Minimum Threaded Length – Up to 6" Long: (2 x Diameter) + 1/4"; Over 6" Long: (2 x Diameter) + 1/2

Read More

Frequently Bought Together

DV_ZoomOriginal_I_FA68064_WB.jpg

Hex Cap Screw Grade 8 1/2-13 x 2"

Item#: FA68064
DV_ZoomOriginal_I_FA65001.jpg

Hex Cap Screw Grade 5 1/4-20 x 3/4"

Item#: FA65001
DV_ZoomOriginal_P_30579_WB.jpg

Hex Cap Screw Grade 8 5/8-11 x 2-1/2"

Item#: FA68100
DV_ZoomOriginal_I_FA68064_WB.jpg

Hex Cap Screw Grade 8 1/2-13 x 2"

Item#: FA68064
DV_ZoomOriginal_I_FA65001.jpg

Hex Cap Screw Grade 5 1/4-20 x 3/4"

Item#: FA65001
DV_ZoomOriginal_P_30579_WB.jpg

Hex Cap Screw Grade 8 5/8-11 x 2-1/2"

Item#: FA68100
DV_ZoomOriginal_I_FA88446.jpg

USS Flat Washer Thru-Hardened Steel 5/16"

Item#: FA88446
DV_ZoomOriginal_P_31311.jpg

Hex Nut Grade 8 Alloy Steel 3/8-16

Item#: A102
DV_ZoomOriginal_I_88441.jpg

SAE Flat Washer Thru-Hardened Steel 5/8"

Item#: 88441
DV_ZoomOriginal_I_DY89310224.jpg

8" Dual Jaw Adj and Pipe Wrench

Item#: DY89310224
DV_ZoomOriginal_I_DY89320020.jpg

Cross-Over Socket Set, SAE, 3/8" Drive, 10pc

Item#: DY89320020
DV_ZoomOriginal_I_DY89310230.jpg

3Pc Adjustable/Pipe Wrench Set

Item#: DY89310230
DV_ZoomOriginal_P_31312.jpg

IFI 100/107 Top Locknut Grade C 1/2-13

Item#: 80931
DV_ZoomOriginal_P_32671.jpg

Hex Nut Grade 8 Steel 5/8-11

Item#: FA68406
DV_ZoomOriginal_P_32671.jpg

Hex Nut Grade 8 Steel 5/16-18

Item#: FA68401
DV_ZoomOriginal_I_DA6152.jpg

Lawson Open & Shut Nut & Bolt Loosener, Rust Penetrant, SKU DA6152, 20 oz Aerosol Can

Item#: DA6152
DV_ZoomOriginal_P_HT5273.jpg

Cross-Over Socket Extension Set, 3/8" Drive, 3 Piece

Item#: DY89320050
DV_ZoomOriginal_P_33479.jpg

SAE J995C Locknut with Nylon Insert Grade 8 1/4-20

Item#: 53979

Product Description

• Ultra-high-strength matched component fastening system
• 20% stronger than Grade 8
• Fatigue/vibration-resistant UNJ thread design
• 20% higher-than-normal wrenching surface for increased safety and even distribution of torque forces
• Heat-treated, quenched and tempered
• Perma Plated for superior corrosion protection
• Proprietary head marking for improved traceability
• Diameter marked on head for easy identification
• Trailing thread does not enter the extrusion angle
• Increased length of chamfer allows easier alignment and assembly
• Matched strength nuts, flat washers and lock nuts available
• Minimum 180,000 PSI tensile strength
• Exceeds SAE, ASTM and Military Grade 8 strength requirements
• Designed for the most demanding maintenance requirements
• For use in critical applications
Minimum Threaded Length – Up to 6" Long: (2 x Diameter) + 1/4"; Over 6" Long: (2 x Diameter) + 1/2

Technical Specifications

Item#: A831
Style Premium
Diameter 3/8 "
Thread Pitch 24
Thread Fine
Length 3/4 "
Type Hex Cap Screw
Across Flats 9/16 "
Material Alloy Steel
Grade 9
Finish Bright Zinc
Tensile Strength 180,000 PSI
Head Style High Hex
Head Height 9/32 "
Thread Form UNJ
Thread Length Full
Thread Length Minimum Full
UNSPSC #: 31161501
TAA Compliant: Yes
Weight: 4.0 lb

Product Restrictions

Your Recently Viewed Items