Hillman 1/4 In. 20 tpi 3/4 In. Flat Head Machine Screw (100 Ct.) Tools & Sets Greater hydraulic efficiency

Greater hydraulic efficiency

1 piece design

Made in the USA with global materials

Storm and screen door hinges with square corners

Hillman 1/4 In. 20 tpi 3/4 In. Flat Head Machine Screw (100 Ct.) Tools & Sets Greater hydraulic efficiencyA machine screw is a fastening screw with a machine cut thread throughout the length of its shank. Machine screws are used with nuts or screwed directly into a threaded receptacle to fasten various components together in machines, tools, etc. Fasten with a screwdriver to reduce risk of over tightening and protect the screw and fastened material. If nuts are needed, use with nuts of the same finish and threading for proper fit. The length of a machine