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6 types of screws every DIYer needs to know

Overwhelmed with fastener options for your DIY projects? Learn about screw anatomy, types and materials to help you pick the ...
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3 Special Tools to Drill Large-Diameter Holes in Thick Steel

There are three tool options to consider when drilling large-diameter holes in thick steel: twist drill bits, hole saws and annular cutters. 1. Twist drill bits. Especially in steel thicker than ¼", ...