Hex Cap Screw, Grade 9, Alloy Steel, Zinc Finish, Fine Thread, 9/32" Head Height, 9/16" Across Flats, 3/8-24 x 3"
(Pack of 50)

SKU:A840 Item#: A840

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_P_30579_WB.jpg

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

Item#: FA68062
DV_ZoomOriginal_I_FA65002_WB.jpg

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

Item#: FA65002
DV_ZoomOriginal_P_41097_WB.jpg

Hex Cap Screw Grade 8 Alloy Steel 1/4-20 x 3/4"

Item#: 601
DV_ZoomOriginal_P_30579_WB.jpg

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

Item#: FA68062
DV_ZoomOriginal_I_FA65002_WB.jpg

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

Item#: FA65002
DV_ZoomOriginal_P_41097_WB.jpg

Hex Cap Screw Grade 8 Alloy Steel 1/4-20 x 3/4"

Item#: 601
DV_ZoomOriginal_I_FA88445.jpg

USS Flat Washer Thru-Hardened Steel 1/4"

Item#: FA88445
DV_ZoomOriginal_P_1999.jpg

Flat Washer Grade 12 Thru-Hardened Steel M8

Item#: 87510
DV_ZoomOriginal_P_31312.jpg

IFI 100/107 Top Locknut Grade C 5/8-11

Item#: 80933
DV_ZoomOriginal_P_HT5136.jpg

12" Auto-Adjust Pliers

Item#: DY89310303
DV_ZoomOriginal_I_DY89310353.jpg

10" Forman's Favorite Heavy-Duty Copper & Aluminum Cable Cutter Pliers

Item#: DY89310353
DV_ZoomOriginal_I_DY89310460.jpg

Spinning Handmaster Driver Set 5Pc Set

Item#: DY89310460
DV_ZoomOriginal_P_31311.jpg

Hex Nut Grade 8 Alloy Steel 3/8-16

Item#: A102
DV_ZoomOriginal_P_31311.jpg

Hex Nut Grade 8 Alloy Steel 1/4-20

Item#: A100
DV_ZoomOriginal_P_506_WB.jpg

Self-Drilling Screw Hex Head #10-16 x 3/4"

Item#: 84931
DV_ZoomOriginal_I_1509224.jpg

High Solids Paints Gloss Black

Item#: 1509224
DV_ZoomOriginal_P_31307.jpg

USS Flat Washer Thru-Hardened Steel 1/4"

Item#: 88445
DV_ZoomOriginal_P_31307.jpg

USS Flat Washer Thru-Hardened Steel 3/8"

Item#: 88447

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#: A840
Style Premium
Diameter 3/8 "
Thread Pitch 24
Thread Fine
Length 3 "
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 Partial
Thread Length Minimum 1 "
UNSPSC #: 31161501
TAA Compliant: Yes
Weight: 5.43 lb

Product Restrictions

Your Recently Viewed Items