Grade A325, 1-1/8"-7 Structural Bolt, Plain Steel, 3 3/4 in L, 135 PK MPN:HCI31120375NUSA-135BX
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In Stock
SKU
510-G2134216
Grade A325, 1-1/8"-7 Structural Bolt, Plain Steel, 3 3/4 in L, 135 PK
This heavy-duty structural bolt is designed for high-strength applications in construction and infrastructure projects. Made from Grade A325 steel, it provides exceptional tensile strength of 120,000 psi and a Rockwell hardness of HRC25. With a 3 3/4 inch length and 1 1/8 inch diameter, it's ideal for securing heavy loads and withstanding harsh environments. The plain steel finish ensures a secure grip, while the included heavy hex nut provides additional strength and stability. Suitable for use in bridges, buildings, and other large-scale projects, this bolt is a reliable choice for demanding applications.
Top product features:
- Has a tensile strength of 120,000 psi
- Has a Rockwell hardness of HRC25
- Includes a heavy hex nut for secure fastening
Top product applications:
- Construction of high-rise buildings
- Bridge construction and repair
- Heavy machinery and equipment assembly
Inch, Structural Bolt, Steel, Material Grade A325 Type 1, Fastener Finish Plain, Dia./Thread Size 1 1/8 In.-7, Fastener Length 3 3/4 in, Fastener Thread Type UNC (Coarse), Fastener Industry Standards ASTM A325 Type 1, Thread Length 2 in, Fastener Thread Direction Right Hand, Head Dia. 1 13/16 in, Head Height 11/16 in, Tensile Strength (PSI) 120,000 psi, Rockwell Hardness HRC25, Includes Heavy Hex Nut, Package Quantity 135
Additional Information
- Country of Origin: US
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 15 days
- Minimum Order Quantity: 1
- Unit of Measure: PK
- Package Length: 9.30
- Package Width: 9.30
- Package Height: 7.00
- Package Weight: 279.72
Product info last updated on February 7, 2026 8:37am UTC
Category: Screws and Bolts