Description
Cap Screws Flat Socket Fine Thread Alloy Thermal Black Oxide 1/4-28 X 1 1/4 are engineered for precision fastening in demanding assemblies. Featuring a flat socket head, a fine 1/4-28 thread, and an alloy steel core, these screws are finished in thermal black oxide for durability, low glare, and smooth performance under load.
Designed to deliver consistent clamping and reliable torque in machine setups, this cap screw is ideal for applications where a compact, high-strength fastener is required. The flat socket head provides a sleek profile and enables secure tightening with a hex key or Allen wrench.
Specifications
- Head style: Flat Socket Cap Screw
- Thread: Fine thread 1/4-28
- Length: 1 1/4 in
- Material: Alloy steel
- Finish: Thermal Black Oxide
- Drive type: Hex socket (Allen) drive
Whether you’re assembling machinery, automotive components, or precision equipment, these cap screws offer dependable performance, corrosion resistance, and a low-reflectivity finish that helps reduce glare in bright environments. Stock up with the 1/4-28 x 1 1/4 cap screws for quick, secure fastenings across your projects.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324

![[100 PKG] Cap Screws Flat Socket Fine Thread Alloy Thermal Black Oxide 1/4-28 X 1 1/4](http://mutualscrew.com/cdn/shop/files/0606CSF188BYW_5ae93ef5-7525-4b41-a998-dd121547925e.jpg?v=1746803039&width=506)