Hex Cap Screw, Grade 9, Alloy Steel, Zinc Finish, Coarse Thread, 27/64" Head Height, 13/16" Across Flats, 9/16-12 x 3"
(Pack of
10)
The Alloy Steel Hex Cap Screw Grade 9 delivers unmatched reliability for your most critical fastening applications. This ultra-high-strength alloy steel fastener provides 20% greater strength than Grade 8 screws, with a minimum 180,000 PSI tensile strength that exceeds SAE, ASTM and Military standards. The fatigue-resistant UNJ thread design and heat-treated construction ensure dependable performance under extreme stress and vibration. Enhanced with Perma Plating for superior corrosion protection and featuring a 20% larger wrenching surface for safer installation, these Grade 9 screws provide the precision and durability demanded by aerospace, military, and high-performance industrial applications.
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
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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Product Description
The Alloy Steel Hex Cap Screw Grade 9 delivers unmatched reliability for your most critical fastening applications. This ultra-high-strength alloy steel fastener provides 20% greater strength than Grade 8 screws, with a minimum 180,000 PSI tensile strength that exceeds SAE, ASTM and Military standards. The fatigue-resistant UNJ thread design and heat-treated construction ensure dependable performance under extreme stress and vibration. Enhanced with Perma Plating for superior corrosion protection and featuring a 20% larger wrenching surface for safer installation, these Grade 9 screws provide the precision and durability demanded by aerospace, military, and high-performance industrial applications. 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
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#: | A685 |
|---|---|
| Style | Premium |
| Diameter | 9/16 " |
| Thread Pitch | 12 |
| Thread | Coarse |
| Length | 3 " |
| 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: | 2.54 lb |
Product Restrictions
