Grade A325, 7/8 in Tension Control Bolt, Black Oxide Steel, 3 3/4 in L, 140 PK MPN:438164-BR
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Free Shipping
In Stock
SKU
510-G2774992
Grade A325, 7/8 in Tension Control Bolt, Black Oxide Steel, 3 3/4 in L, 140 PK
This heavy-duty 7/8 in Tension Control Bolt is designed for high-strength applications, featuring a tensile strength of 120,000 psi and a Rockwell hardness of HRC25. Made from Grade A325 Type 1 black oxide steel, it's ideal for use in construction, heavy industry, and infrastructure projects. The bolt's plain finish and UNC (coarse) thread type ensure a secure hold, while the included Grade DH heavy hex nut and F436 washer provide added stability. With a lead time of just one day, this bolt is perfect for projects requiring fast and reliable fastening solutions.
Top product features:
- Tension control bolt design allows for precise tightening to a specific torque value
- Plain finish provides a smooth surface for corrosion resistance and reduced friction
- Heavy hex nut and F436 washer included for added strength and stability
Top product applications:
- Structural Steel Connections
- High-Strength Bolting Applications
- Heavy-Duty Fastening Requirements
Inch, Tension Control Bolt, Steel, Material Grade A325 Type 1, Fastener Finish Plain, Dia./Thread Size 7/8 In.-9, Fastener Length 3 3/4 in, Fastener Thread Type UNC (Coarse), Fastener Industry Standards ASTM F1852-1, Thread Length 1 1/2 in, Fastener Thread Direction Right Hand, Head Dia. 1 7/8 in, Head Height 35/64 in, Tensile Strength (PSI) 120,000 psi, Rockwell Hardness HRC25, Includes Grade DH, Heavy Hex Nut and F436 Washer, Package Quantity 140
Additional Information
- Country of Origin: US
- 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: 14.50
- Package Width: 14.50
- Package Height: 17.50
- Package Weight: 179.28
Product info last updated on March 18, 2026 4:32pm UTC
Category: Screws and Bolts