Grade 8, 5/16"-18 Hex Head Cap Screw, Black Oxide Steel, 4-1/2 in L, 25 PK MPN:U04100.031.0450
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In Stock
SKU
510-G2976891
Grade 8, 5/16"-18 Hex Head Cap Screw, Black Oxide Steel, 4-1/2 in L, 25 PK
Elevate your projects with the Grade 8, 5/16in-18 Hex Head Cap Screw from GoVets Select. These high-strength fasteners are perfect for applications requiring maximum durability and resistance to wear and tear. With a black oxide steel finish, they provide a rugged, corrosion-resistant coating that withstands harsh environments. Ideal for use in construction, manufacturing, and heavy machinery, these cap screws are also suitable for automotive and aerospace applications. Their right-hand thread and coarse UNC threading ensure secure fastening, while the hex head provides easy tightening and loosening. Order in packs of 25 for reliable performance in demanding projects.
Top product features:
- Grade 8 steel provides high strength and resistance to wear and fatigue.
- The hex head design offers a secure grip and ease of installation.
- The partially threaded design allows for a strong bond between the screw and the material it is threaded into.
Top product applications:
- Heavy machinery assembly
- Automotive repair and maintenance
- Construction and building hardware
Hex Head Cap Screw, System of Measurement Inch, Basic Material Steel, Material Grade Grade 8, Fastener Finish Plain, Dia./Thread Size 5/16 In.-18, Fastener Length 4 1/2 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: 5.50
- Package Width: 2.50
- Package Height: 2.00
- Package Weight: 2.59
Product info last updated on February 2, 2026 10:11am UTC
Category: Screws and Bolts