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Description 100pcs 1 2 3 4 5mm twist drill bits set HSS straight shank black coated woodworking drill bit Specification Color BlackType Twist drillMaterial High Speed Steel 4241 Design Straight ShankUse Drilling of woodDiameter mm Total Length mm Quantity pcs φ13420φ24920φ36420φ47520φ58220 Features Hardness sharp and durable Suitable for iron cast iron aluminum copper wood plastic etc Processing of malleable cast iron and other refractory metal materials Ideal for DIY home and general building engineering using etc Package Included 100 x Black Twist Drill Bits More Details
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