Carbide drill bits, straight shank drill bits, carbide drill bit,twist drill bit
Tungsten carbide twist drill is a kind of tool for drilling round hole of work piece through its relative fixed axis rotary cutting. It is named for its spiral twist shaped chip holding groove. There are 2 flute twist drill bits, 3 flute twist drill bits or more flutes, but 2 flute are the most common for twist drill bits. Twist drill can be used on drilling machines, milling machines, lathes and even machining centers.
Straight shank carbide drill bit,twist drill bit standard size:
| d=D Cutting dia.(mm) | Lc Cutting length(mm) | L Overall length (mm) |
| 0.80-1.00mm | 12mm | 50mm |
| 1.05-1.50mm | 14mm | 50mm |
| 1.55-5.00mm | 18mm | 50mm |
| 2.05-2.50mm | 20mm | 50mm |
| 2.55-3.00mm | 25mm | 50mm |
| 3.05-4.00mm | 25mm | 50mm |
| 4.05-4.50mm | 25mm | 50mm |
| 4.55-5.00mm | 25mm | 50mm |
| 5.05-6.00mm | 25mm | 50mm |
| 6.05-6.50mm | 30mm | 60mm |
| 6.55-7.00mm | 30mm | 60mm |
| 7.05-7.50mm | 40mm | 75/80mm |
| 7.55-8.00mm | 40mm | 75/80mm |
| 8.05-8.50mm | 40mm | 75/80mm |
| 8.55-9.00mm | 40mm | 75/80mm |
| 9.05-9.50mm | 40mm | 75/80mm |
| 9.55-10.00mm | 40mm | 75/80mm |
| 10.05-10.50mm | 45mm | 100mm |
| 10.55-11.00mm | 45mm | 100mm |
| 11.05-11.50mm | 50mm | 100mm |
| 11.55-12.00mm | 50mm | 100mm |
1,Tip angle 118°,d tolerance within 0.005mm
2, Standard size in stock, ready to ship.
2, Accept customize.
product picture:
Specification:
Material:Tungsten Carbide
Use:Metal Drilling,Wood Drilling
What is Carbide ?
Carbide is one of the hardest material to be found and has amazing wear resistance capabilities that make it ideal for the many tasks it performs .Not only is it very hard ,but it is able to withstand a great deal of abrasion,which enables the carbide cutting tools to outperform other material .All our end mills are produced from solid carbide material .
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Tungsten Carbide Altin Coating Twist Drill Bit For Steel Images
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