Machine screws have a uniform diameter along their entire length. Designed to screw into threaded holes or to be used in combination with machine screw hex nuts. They are frequently used in machinery and appliances.
- Size: 1/4 in.-20 x 3 in.
- Pan head, Phillips drive
- Use with nuts or pre-threaded holes of the same diameter and thread size
- Often used in machinery and appliances
- Nuts and washers not included
- Thread type: coarse, thread class: UNc-2A, point style: blunt
- Specifications met: ASME B18.6.3 and ASME B1.1














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