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OneSource
3/8-16 x 4-1/2 Inch Coarse Grade 8 Yellow Zinc Steel Hex Head Cap Screw USA
Item A74.38.412
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 | 3/8-16 |
| Diameter | 3/8 Inch |
| Length | 4-1/2 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. 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.
- Proof Load PSI: 120000 / Tensile Strength: 150000Body Diameter: 0.369 - 0.375 Inch
- Diameter: 3/8 Inch
- Diameter Thread Size: 3/8-16
- Finish: Yellow Zinc
- Grade: Grade 8
- Head Height Max: 15/64 Inch
- Head Style: 0.019 Inch
- Head Type: Hex
- Item: Cap Screw
- Length: 4-1/2 Inch
- Material: Steel
- Measurement: Inch
- Origin: USA
- Proof Load: 120000 psi
- Specification: #21
- Tensile Strength : 150000 psi
- Thread Length: 1 Inch
- Thread Type: Coarse
- Threads Per Inch: 16
- Type: Partial Threaded
- Width Across Corner: 0.628 - 0.650 Inch
Specifications
General
- Finish
- Yellow Zinc
- Material
- Steel
- Measurement System
- Inch
- Origin
- USA
- Type
- Partial Threaded
Dimensions
- Diameter
- 3/8 Inch
- Length
- 4-1/2 Inch
- Thread Size
- 3/8-16
- Thread Type
- Coarse
- Threads Per Inch
- 16
- Thread Length
- 1 Inch
- Width Across Corner
- 0.628 – 0.650 Inch
- Head Height
- 15/64 Inch
- Body Diameter
- 0.369 – 0.375 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
