Hex Cap Screw, Grade 9, Alloy Steel, Zinc Finish, Coarse Thread, 3/8" Head Height, 3/4" Across Flats, 1/2-13 x 3-1/4"
(Pack of 25)

SKU:A669 Item#: A669

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

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Quantity

Catalog page#: 3-6

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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#:	A669
Style	Premium
Diameter	1/2 "
Thread Pitch	13
Thread	Coarse
Length	3-1/4 "
Type	Hex Cap Screw
Across Flats	3/4 "
Material	Alloy Steel
Grade	9
Finish	Bright Zinc
Tensile Strength	180,000 PSI
Head Style	High Hex
Head Height	3/8 "
Thread Form	UNJ
Thread Length	Partial
Thread Length Minimum	1-1/4 "
UNSPSC #:	31161501
TAA Compliant:	Yes
Weight:	5.3 lb

Product Restrictions

Suggested Products

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

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

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

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

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

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

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

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

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

Hex Cap Screw Grade 5 3/8-16 x 1-1/2"

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

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

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