Hex Cap Screw, Grade 9, Alloy Steel, Zinc Finish, Coarse Thread, 27/64" Head Height, 13/16" Across Flats, 9/16-12 x 2-1/2"
(Pack of 10)

SKU:A683 Item#: A683

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

California Proposition 65: WARNING: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov

Frequently Bought Together

DV_ZoomOriginal_P_41097_WB.jpg

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

Item#: 698
DV_ZoomOriginal_P_1235.jpg

Hex Cap Screw 18-8 Stainless Steel 1/4-20 x 1"

Item#: 91008
DV_ZoomOriginal_P_41484.jpg

Hex Cap Screw Grade 5 3/8-16 x 1-1/4"

Item#: FA65033
DV_ZoomOriginal_P_41097_WB.jpg

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

Item#: 698
DV_ZoomOriginal_P_1235.jpg

Hex Cap Screw 18-8 Stainless Steel 1/4-20 x 1"

Item#: 91008
DV_ZoomOriginal_P_41484.jpg

Hex Cap Screw Grade 5 3/8-16 x 1-1/4"

Item#: FA65033
DV_ZoomOriginal_P_33479.jpg

SAE J995C Locknut with Nylon Insert Grade 8 5/8-11

Item#: 53985
DV_ZoomOriginal_I_88439.jpg

SAE Flat Washer Thru-Hardened Steel 1/2"

Item#: 88439
DV_ZoomOriginal_P_32662.jpg

Lock Washer Alloy Steel 3/8"

Item#: A530
DV_ZoomOriginal_P_HT5398.jpg

10" Dual Jaw Adj and Pipe Wrench

Item#: DY89310225
DV_ZoomOriginal_I_28910_WB.jpg

Cable Tie Screw Mount #8 Screw White

Item#: 28910
DV_ZoomOriginal_I_DY89310027.jpg

Extendable Handle Ratchet 3/8 Drive

Item#: DY89310027
DV_ZoomOriginal_P_32673.jpg

Hex Nut Grade 5 Steel 5/8-11

Item#: FA95683
DV_ZoomOriginal_P_32671.jpg

Hex Nut Grade 8 Steel 1/4-20

Item#: FA68400
DV_ZoomOriginal_I_FA68034_WB.jpg

Hex Cap Screw Grade 8 3/8-16 x 1-1/2"

Item#: FA68034
DV_ZoomOriginal_I_DY89310247.jpg

Autobahn Ergo Magna EZ Crimper Ratcheting Terminal Crimper

Item#: DY89310247
DV_ZoomOriginal_P_33479.jpg

Locknut with Nylon Insert Grade 8 5/16-18

Item#: 53980
DV_ZoomOriginal_P_33479.jpg

SAE J995C Locknut with Nylon Insert Grade 8 1/2-13

Item#: 53983

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#: A683
Style Premium
Diameter 9/16 "
Thread Pitch 12
Thread Coarse
Length 2-1/2 "
Type Hex Cap Screw
Across Flats 13/16 "
Material Alloy Steel
Grade 9
Finish Bright Zinc
Tensile Strength 180,000 PSI
Head Style High Hex
Head Height 27/64 "
Thread Form UNJ
Thread Length Partial
Thread Length Minimum 1-3/8 "
UNSPSC #: 31161501
TAA Compliant: Yes
Weight: 2.18 lb

Product Restrictions

California Proposition 65: WARNING: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov

Your Recently Viewed Items