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OneSource
5/16-18 x 2-1/2 Inch Coarse Zinc Plated A307 Grade A Hex Head Tap Bolt
Item A75.05.516.212
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
| Thread Size | 5/16-18 |
| Diameter | 5/16 Inch |
| Length | 2-1/2 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. 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.
- Finish as per ASTM F1941 Fe/Zn 3AT
- Grade: A
- Item: Tap Bolt
Specifications
General
- Finish
- Zinc
- Material
- Steel
- Measurement System
- Inch
- Type
- Full Threaded
- Origin
- Imported
Dimensions
- Diameter
- 5/16 Inch
- Length
- 2-1/2 Inch
- Thread Size
- 5/16-18
- Thread Type
- Coarse
- Threads Per Inch
- 18
- Thread Length
- 2-1/2 Inch
- Head Height
- 0.195 – 0.235 Inch
- Width Across Corner
- 0.552 – 0.577 Inch
Features
- Drive Type
- External Hex
- Grade
- Grade 2
- Head Style
- Hex
- Point Type
- Machine Screw
Certifications & Standards
- Standards
- #21 ASTM A307
