Hex Cap Screw, Grade 8, Alloy Steel, Zinc Finish, Coarse Thread, 15/64" Head Height, 1/2" Across Flats, 5/16-18 x 1-1/4"
(Pack of
100)
SKU:618 Item#: 618
Most versatile, best value for standard maintenance operations
High-strength matched component fastening system
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
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 150,000 PSI tensile strength
Manufactured to meet or exceed Grade 8 strength requirements
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
Most versatile, best value for standard maintenance operations High-strength matched component fastening system
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
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 150,000 PSI tensile strength
Manufactured to meet or exceed Grade 8 strength requirements
Minimum Threaded Length Up to 6" Long: (2 x Diameter) + 1/4"; Over 6" Long: (2 x Diameter) + 1/2
Technical Specifications
| Item#: | 618 |
|---|---|
| Style | Premium |
| Diameter | 5/16 " |
| Thread Pitch | 18 |
| Thread | Coarse |
| Length | 1-1/4 " |
| Type | Hex Cap Screw |
| Across Flats | 1/2 " |
| Material | Alloy Steel |
| Grade | 8 |
| Finish | Bright Zinc |
| Tensile Strength | 150,000 PSI |
| Head Style | High Hex |
| Head Height | 15/64 " |
| Thread Form | UNJ |
| Thread Length | Partial |
| Thread Length Minimum | 7/8 " |
| UNSPSC #: | 31161501 |
| TAA Compliant: | Yes |
| Weight: | 3.51 lb |
Product Restrictions
