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SPKLINE 10 Pcs High Speed Steel Cobalt Drill Bit Set 2 Pcs of Each 1mm(3/64"), 1.5mm(1/16") 2mm(5/64") 2.5mm(3/32") 3mm(1/8") Jobber Length Twist M35 Metal Drill Bit For Stainless Steel And Hard Metal
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SPKLINE 10 Pcs High Speed Steel Cobalt Drill Bit Features
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10 pcs mini size cobalt drill bit set for micro hole drilling into various material, it contains 2 pcs of each 1mm(3/64"), 1.5mm(1/16"), 2mm(5/64"), 2.5mm(3/32"), 3mm(1/8") diameter drill bit
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Very tough drill bit for heavy duty work drilling into stainless steel, light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, abrasive alloy metal, other hard metal and hardened steel. 4 times life time than normal metal drill bit when drilling into PCB board, plastic, wood, jewelry, sheet metal and normal steel
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M35 Cobalt drill bits are made from industrial grade High Speed Steel with 5% cobalt alloy that is heat and abrasion-resistant
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135-degree split-point tip starts drilling immediately with less force and eliminates walking or skating across the work surface
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Straight shank fits with electric and cordless power drill and rotary drill. Drill bits are packed in a Plastic Bag
About SPKLINE 10 Pcs High Speed Steel Cobalt Drill Bit
10 Pcs High Speed Steel Cobalt Drill Bit Set Package quantity: 10 pieces 2x 1mm(3/64") Diameter, 35mm Length 2x 1.5mm(1/16") Diameter, 40mm Length 2x 2mm(5/64") Diameter, 49mm Length 2x 2.5mm(3/32") Diameter, 56mm Length 2x 3mm(1/8") Diameter, 62mm Length Shank: straight shank Material: industrial grade High Speed Steel with 5% cobalt alloy Tip point: 135-degree split-point tip Package: plastic bag Very tough professional cobalt drill bit set for micro hole drilling into stainless steel, light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, abrasive alloy metal, other hard metal and hardened steel. 4 times life time than normal metal drill bit when drilling into PCB board, plastic, wood, jewelry, sheet metal and normal steel. Fast and precise drilling, heavy duty with long life time. If drilling or cooling oil is applied, it can reach even better drilling result and prolonged life time when drilling into very hard materials. Ideal micro drill bit for PCB board drilling, IT hardware engineers, repairing and maintenance staff, jewelry artists, wood working DIYers, hard metal part processors and other hand work professionals User Tips 1) When drilling into hard metal, please keep the power drill at low rotating speed to let the drill bit cut the material little by little. The harder the metal is, the less speed shall be applied when drilling. Fast drilling speed applied on hard metal can also lead to drill bit breakage and fast wearing off 2) If you can make a pilot punch hole on the drilling point, it will also help to cut the material faster and provide a longer life time for the drill bit.
