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25PCS tin Set Full grinding twist drill bit fine stainless steel straight shank twist drill
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Name: straight shank twist drill
material: 4241 high-speed steel (HSS4241)
Tin Packaging: 25PCS
specifications: 1-13MM straight shank twist drill is mainly composed of a shank and a working part. The guide work of the guidance and preparation of wear and groove made of spiral shape with leading chip
aka HSS high-speed steel knife is the most commonly used material marketing tools, applicable to iron, wood, plastics, and other materials Aluminum Alloy drilling holes.
