29-Piece Cobalt Drill Bit Set for Stainless Steel & Plastics. They are specifically designed for cutting through tough materials such as stainless steel, iron castings, copper, aluminum, and even plastics and wood.
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800℃ max working temperature makes the service life much longer than other bits. M35 Cobalt-Industrial M35 cobalt high speed steel countersink bit, harder than normal HSS countersink bits. Also has better wear-resistance and durability.
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It can improve the front and back angle finish, and make the cutting edge sharp and chip free. Rear corner blade width increased by 15%. Super hard end mill adopts W6542 al high speed steel, its material hardness reachesHRC65-68°full grinding process, fully qualified for processing stainless steel mould steel, spring steel, alloy steel and so on.
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Specification:Size: 5.2mm / 0.2"Full Length: 80mm / 3.15"Flute Length: 38mm / 1.5"Shank Diameter: 5mm / 0.2"Tip Material: Cemented CarbideShank Material: HSS (High Speed Steel)Descriptions:1. Twist drill bits are made of cemented carbide tip for long service life, it is more sharp and durable than others.2. Milled U-flutes with deep-cut spiral provides fast material removal. Suitable for drilling in tough metal, including abrasive alloy and hardened steel3. Drills clean, accurate holes in sheet metal, steel, copper, brass, aluminum, plastic, wood, stainless steel and cast iron.4. Round shank twist drill bit can work with a electric drill (Excluding in the item). Please use low speed when drilling and note the temperature of carbide tip is not too high for extending drill bit lifePackage:2 Pcs x Cemented Carbide Twist Drill Bits.
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Size:6mm, 8mm, 10mm, 12mm. Drill Bit specifications of each are marked and easy to use. 1X Drill Bit. 4pcs drill bit. Can be beaten dry, add water can for more durability.
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Coated HSS drill set with standard 1/4 "hex shank that will fit cordless screwdrivers, drills or use in standard drill chuck steel, wood, plastic. Shank: 1/4" hex shank. The 1/4 "hex shank is specially designed for cordless screwdrivers, which can enable you to change the drill bits quickly.
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Description: Material : High Speed Steel 4241Type : N Type 118 degreeBit Diameter : 1.8mm/0.07"Cutting Edge Length : 22mm/0.87"Total Length : 45mm/1.77"Weight: 10gMain color: SilverHRC: 62-63Package Content: 10pcs x Twist Drill Bit. How to Use Twist Drill BitsEnsure the left and right cutting edges of the drill are symmetrical when drilling.Observe the uniformity of the spark while drilling, adjust the pressure in time, and pay attention to the cooling of the bit. NoteMini twist drill bit can NOT be used in the impact drill.To avoid drill bit break, 1.8mm bits should be used with pin vise. .
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【Einfache Installation】: Der elektrische Bohrmaschinenhalter lässt sich einfach auf der Werkbank installieren und kann auch für Schleifmaschinen oder andere Werkzeuge verwendet werden. Weil der unbezahlte Streit nicht automatisch geschlossen wird und wir ihn möglicherweise ignorieren.
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