| Product Name | Tin-Coated HSS Spot Drill for Center Drilling |
| Material | High Speed Steel (Tungsten Carbide ,M35-Cobalt are Available) |
| Process | Fully Ground |
| Cutting Angle | 120 Degree(90 Degree, 60 Degree are Available) |
| Surface | Tin-Coated (White,TiAlN Coated ,Amber are Available) |
| Size | 2-20MM (1/8-3/4inch 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.Titanium coating on the drill bits not only prevents bit dulling for extended performance life but also offers smoother drilling 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. |