Product description： 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.
| Product Description |
| Product Name | Solid Carbide HM NC Centering Spot Drill Bit for Centre Spot Drilling |
| Material | Tungsten Carbide (High Speed Steel,M35-Cobalt are Available) |
| Process | Fully Ground |
| Cutting Angle |
90 Degree(120 Degree,60 Degree are Available) |
| Surface | TiAlN Coated( White,Tin-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.Made of ultra-hard Solid Tungsten Carbide which prevents bit dulling from overheating 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. |
Contact: David Yu
Phone: +86-139-52828006
Tel: +86-139-52828006
Add: Houxiang, Danbei Town, Danyang City, Jiangsu, China, 212300
