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4mm 4mm Long Wood Drill, Extra Lange Bohrer, HSS Twist Drill Bits with Straight Shank for Hard Metal, Stainless Steel, Cast Iron and Other Hard Materials, 1 Piece - - Amazon.com
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13pcs Hexagonal Handle Titanium Plated Twist Drill Hss High Speed Steel Titanium Coated Drill Bit Hex Shank Tools 1.5-6.5mm - Drill Bit - AliExpress
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