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| Product Name | HSS NC Centering Spot Drill for Center Drilling |
| Material | High Speed Steel ( Tungsten Carbide, M35 -Cobalt are Available) |
| Process | Fully Ground |
| Cutting Angle |
90 Degree ( 120 Degree,60 Degree are Available) |
| Surface | White(TiAlN Coated ,Tin-Coated,Amber are Available) |
| Size | 1/8-3/4inch (2-20MM is Available) |
| Package | Plastic Tube,Blister Card,Plastic Box are Available |
| Features | 1.The primary purpose of a spot drill to make a "dimple" in the workpiece so that the twist drill does not deflect and "walk" off-center and the hole is drilled in the correct location. 2.The Spot drill suitable for continuous production on aluminium, plastics, free cutting steels, cast iron, titanium, non-ferrous materials and some aerospace materials. 3.Drill bits are made from a high speed cobalt blend that makes it a great option for drilling into harder steel materials 4.Precise position and chamfer are accomplished at one time to improve machining quality. 5.Available in 60/90/120 and 140 degrees, coated in AlTiN or left uncoated. |
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