Hex Cap Screw, Grade 9, Alloy Steel, Zinc Finish, 1/4-28 x 4 "
(Pack of
50)
SKU:A814 Item#: A814
• 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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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#: | A814 |
|---|---|
| Style | Premium |
| Diameter | 1/4 " |
| Thread Pitch | 28 |
| Thread | Fine |
| Length | 4 " |
| Type | Hex Cap Screw |
| Across Flats | 7/16 " |
| Material | Alloy Steel |
| Grade | 9 |
| Finish | Zinc |
| Tensile Strength | 180,000 PSI |
| Head Style | High Hex |
| Head Height | 3/16 " |
| Thread Form | UNJ |
| UNSPSC #: | 31161501 |
| TAA Compliant: | Yes |
| Weight: | 3.05 lb |
