Hex Cap Screw Grade 8 Alloy Steel 9/16-12 x 3-1/2"
(Pack of 1.0)

Tuff-Torq®

Found in manufacturing, repair and construction industries, Grade 8 Hex Cap Screws are versatile and economical for standard maintenance operations. This alloy steel cap screw is heat treated for strength and perma-plated for superior corrosion protection. Stock your tool cabinet with this handy, multi-functional accessory.
• Minimum 150,000 PSI tensile strength
• Manufactured to meet or exceed Grade 8 strength requirements
• Proprietary head marking for improved traceability
• 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 Threaded Length – Up to 6" Long: (2 x Diameter) + 1/4"; Over 6" Long: (2 x Diameter) + 1/2

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Product Description

Found in manufacturing, repair and construction industries, Grade 8 Hex Cap Screws are versatile and economical for standard maintenance operations. This alloy steel cap screw is heat treated for strength and perma-plated for superior corrosion protection. Stock your tool cabinet with this handy, multi-functional accessory.
• Minimum 150,000 PSI tensile strength
• Manufactured to meet or exceed Grade 8 strength requirements
• Proprietary head marking for improved traceability
• 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 Threaded Length – Up to 6" Long: (2 x Diameter) + 1/4"; Over 6" Long: (2 x Diameter) + 1/2

Technical Specifications

Item#: X687
Style Premium
Diameter 9/16 "
Thread Pitch 12
Thread Coarse
Length 3-1/2 "
Type Hex Cap Screw
Across Flats 13/16 "
Material Alloy Steel
Grade 8
Finish Bright Zinc
Tensile Strength 150,000 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

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