Grade 9, 1/2"-20 Flange Bolt, Plain Alloy Steel, 1-1/2 in L, 5 PK MPN:2FB55
Grade 9, 1/2"-20 Flange Bolt, Plain Alloy Steel, 1-1/2 in L, 5 PK
This Grade 9, 1/2in-20 Flange Bolt is a high-strength fastener made from alloy steel, ideal for applications requiring exceptional durability and resistance to fatigue. With a proof load of 140,000 psi and tensile strength of 170,000 psi, these bolts can withstand heavy loads and stresses. They are suitable for use in aerospace, automotive, and industrial applications, including engine mounts, cylinder heads, and other high-performance systems. The plain finish and partially threaded design provide a secure fit in flanged connections, ensuring reliable performance and minimizing the risk of failure. Available in packs of 5, these bolts offer excellent value and convenience.
Top product features:
- Right-hand thread
- Fine thread type (UNF)
- Partially threaded
Top product applications:
- Industrial machinery assembly
- Automotive engine mounting
- Aerospace hardware installation
Flange Bolts, Basic Material Steel, Material Grade Alloy Steel, Fastener Finish Plain, Dia./Thread Size 1/2 In.-20, Fastener Length 2 1/2 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNF (Fine), Fastener Thread Style Partially Threaded, Fastener Industry Standards ASTM A574, IFI-115, Thread Length 1 1/4 in, Head Height 1/2 in, Head Width 1/2 in, Flange Dia. 3/4 in, Proof Load 140,000 psi, Tensile Strength 170,000 psi, Rockwell Hardness HRC37, Package Quantity 5
Additional Information
- Country of Origin: ZZ
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 7 days
- Minimum Order Quantity: 2
- Unit of Measure: PK
- Package Length: 6.00
- Package Width: 1.50
- Package Height: 1.00
- Package Weight: 0.80
Product info last updated on January 27, 2026 7:10am UTC
Category: Screws and Bolts