1/2-20 X 1-3/4" Flat Head Cap Screws | Fine Thread | Alloy Steel Thermal Black Oxide (50 / Pkg.)

Mutual ScrewSKU: 5128CSFBB

Price:
Sale price$70.67per 50( $1.41 each)
Pieces 50
Measurement type Inch
Thread size 1/2-20
Length 1-3/4
Material Alloy Steel
Finish Thermal Black Oxide
Drive Hex Socket
Head style Flat
Thread style Fully Threaded
Weight 4.74 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Cap Screws Flat Socket Fine Thread Alloy Thermal Black Oxide 1/2-20 X 1 3/4 delivers high-strength fastening with a sleek, low-profile head designed for tight spaces. The flat socket head ensures a flush finish while the fine thread provides superior clamping in precision assemblies.

Engineered for durability, this cap screw is made from a robust alloy and finished with a thermal black oxide coating. The combination yields reliable strength, good wear resistance, and a discreet appearance suitable for both visible and concealed installations. Its 1/2-20 fine thread offers precise engagement and strong holding power in demanding applications.

Specifications

  • Thread: 1/2-20 (UNF — fine thread)
  • Length: 1-3/4 in
  • Head Style: Flat Socket Cap
  • Material: Alloy
  • Finish: Thermal Black Oxide
  • Type: Cap Screw, Fine Thread

Benefits

- Offers strong load-bearing performance in machinery, automotive, and equipment assemblies.

- The flat socket head sits flush or slightly recessed, reducing snag hazards and enabling a clean, professional finish.

- The thermal black oxide finish provides a durable, low-gloss coating suitable for mild environments while helping to conceal wear over time.

Applications

Ideal for precision fastening in mechanical assemblies, enclosures, control panels, and equipment that require a secure, space-efficient fastener with a clean appearance.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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