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)
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#: | 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
