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Step drill bit
01
step drill bit, bit na may hakbang
a specialized drill bit with multiple stepped diameters, allowing for the gradual enlargement of holes and the creation of various hole sizes with a single bit
Mga Halimbawa
With a step drill bit, she was able to drill clean holes for the pipes without any jagged edges.
Gamit ang step drill bit, nagawa niyang mag-drill ng malinis na butas para sa mga tubo nang walang anumang jagged na mga gilid.
