Grade 8, 5/16"-18 Hex Head Cap Screw, Zinc Yellow Steel, 3-3/4 in L, 25 PK MPN:U04104.031.0375
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Free Shipping
In Stock
SKU
510-G9461322
Grade 8, 5/16"-18 Hex Head Cap Screw, Zinc Yellow Steel, 3-3/4 in L, 25 PK
For heavy-duty applications requiring exceptional strength and durability, Grade 8 hex head cap screws are the ideal choice. These zinc yellow steel fasteners feature a 5/16in-18 thread size and 3-3/4in length, making them suitable for use in construction, manufacturing, and industrial settings. The partially threaded design provides a secure hold in a variety of materials, including wood, metal, and concrete. With a minimum thread length of 7/8in and a head height of 13/64in, these screws offer a high level of torque and resistance to stripping. Perfect for heavy machinery, equipment, and structural applications.
Top product features:
- Grade 8 material provides high strength and durability
- Right-hand thread direction allows for secure fastening in standard applications
- UNC (Coarse) thread type provides a strong and stable connection
Top product applications:
- Automotive Repair
- Machine Building
- Construction Equipment
Hex Head Cap Screw, System of Measurement Inch, Basic Material Steel, Material Grade Grade 8, Fastener Finish Zinc Yellow, Dia./Thread Size 5/16 In.-18, Fastener Length 3 3/4 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), Fastener Thread Style Partially Threaded, Fastener Industry Standards ASME B18.2.1, Head Type Hex, Min. Thread Length 7/8 in, Head Height 13/64 in, Head Width 1/2 in, Package Quantity 25
Additional Information
- Country of Origin: ZZ
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: PK
- Package Length: 7.30
- Package Width: 3.00
- Package Height: 2.30
- Package Weight: 2.19
Product info last updated on February 23, 2026 3:02pm UTC
Category: Screws and Bolts