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OneSource
5/16-18 x 4-1/2 Inch Coarse Plain 18-8 Stainless Steel Hex Head Cap Screw
Item A78.516.412
Cap Screws are proportioned and toleranced to assure full and proper loading when assembled into a tapped hole. A washer face is provided under the head to provide a bearing surface when tightened. this feature ensures proper fit-up into tapped holes without counterboring. Cap screws feature a chamfered end to aid in inserting into a tapped hole. Hex head cap screws are available in a variety of material grades including: Grade 2 Grade 5 Grade 8 and stainless steels. Additionally these fasteners are available in plated and plain varieties. Hex head caps screws are a common fastener used in a variety of industrial construction automotive and manufacturing applications.
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Photographs are representational and may not be size accurate.
Key Specifications
| Length | 4-1/2 Inch |
| Thread Type | Coarse |
| Material | Stainless Steel 18-8 (A2) |
Description
Description
Cap Screws are proportioned and toleranced to assure full and proper loading when assembled into a tapped hole. A washer face is provided under the head to provide a bearing surface when tightened. this feature ensures proper fit-up into tapped holes without counterboring. Cap screws feature a chamfered end to aid in inserting into a tapped hole. Hex head cap screws are available in a variety of material grades including: Grade 2 Grade 5 Grade 8 and stainless steels. Additionally these fasteners are available in plated and plain varieties. Hex head caps screws are a common fastener used in a variety of industrial construction automotive and manufacturing applications.
- Origin: Imported
- Diameter: 5/16 Inch
- Diameter Thread Size: 5/16-18
- Finish: Plain
- Grade: 18-8
- Head Height Max: 13/64 Inch
- Head Style: 0.019 Inch
- Head Type: Hex
- Item: Cap Screw
- Length: 4-1/2 Inch
- Material: 18-8 Stainless Steel
- Measurement: Inch
- Origin: Imported
- Specification: ANSI B18.2.1 - 1981
- Thread Length: 7/8 Inch
- Thread Type: Coarse
- Threads Per Inch: 18
- Type: Partial Threaded
- Width Across Corner: 0.557 - 0.577 Inch
Specifications
General
- Material
- Stainless Steel 18-8 (A2)
- Measurement System
- Inch
- Origin
- Imported
- Type
- Partial Threaded
- Finish
- Plain
Dimensions
- Length
- 4-1/2 Inch
- Thread Type
- Coarse
- Diameter
- 5/16 Inch
- Threads Per Inch
- 18
- Thread Length
- 7/8 Inch
- Width Across Corner
- 0.557 – 0.577 Inch
- Head Height
- 13/64 Inch
- Diameter Thread Size
- 5/16-18
- Body Diameter
- 0.3065 – 0.3125 Inch
Features
- Head Style
- Hex
- Grade
- 18-8
Certifications & Standards
- Standards
- ANSI B18.2.1 – 1981
