HSS Drill Bit, Saw Blade, Hole Saw manufacturer / supplier in China, offering Type-250-Vt Vortex Pilot Point Mechanic Step Twist Drill Bit with 3-Flats on The Shank 15/64 Diameter Step Twist Drill Bit, 1/16" to 1/2" M35 Stepped Point Cobalt Twist Drill Bit 3 Flat Shank Gold Oxide for Stainless Steel Hard Metal Aluminium Acrylic, 31PCS Tap and Die Assortment M1, 0-M2, 5 for Repairing Clock Watch Maker and so on.
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