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OneSource
5/16-18 x 3-3/4 Inch Coarse Grade 8 Yellow Zinc Steel Hex Head Cap Screw USA
Item A74.516.334
Cap Screws are proportioned and toleranced to assure full and proper loading when assembled into a tapped hole. Washer face is provided under the head to provide a bearing surface when tightened. It ensures fit-up into tapped holes without counterboring. End is chamfered to aid in inserting into a tapped hole. Made In USA. Cap Screws can be used in tapped holes or with a wide range of nut bolted connections and in the applications for vehicles and structures.
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Photographs are representational and may not be size accurate.
Key Specifications
| Thread Size | 5/16-18 |
| Diameter | 5/16 Inch |
| Length | 3-3/4 Inch |
| Thread Type | Coarse |
| Head Style | Hex |
| Drive Type | External Hex |
Description
Description
Cap Screws are proportioned and toleranced to assure full and proper loading when assembled into a tapped hole. Washer face is provided under the head to provide a bearing surface when tightened. It ensures fit-up into tapped holes without counterboring. End is chamfered to aid in inserting into a tapped hole. Made In USA. Cap Screws can be used in tapped holes or with a wide range of nut bolted connections and in the applications for vehicles and structures.
- Item: Cap Screw
Specifications
General
- Finish
- Yellow Zinc
- Material
- Steel
- Measurement System
- Inch
- Origin
- USA
- Type
- Partial Threaded
Dimensions
- Diameter
- 5/16 Inch
- Length
- 3-3/4 Inch
- Thread Size
- 5/16-18
- Thread Type
- Coarse
- Threads Per Inch
- 18
- Thread Length
- 7/8 Inch
- Width Across Corner
- 0.557 – 0.577 Inch
- Head Height
- 13/64 Inch
- Body Diameter
- 0.3065 – 0.3125 Inch
Features
- Drive Type
- External Hex
- Grade
- Grade 8
- Head Style
- Hex
- Point Type
- Machine Screw
- Tensile Strength
- 150000
- Proof Load
- 120,000 psi
- Proof Load PSI
- 120000
Certifications & Standards
- Standards
- #21
