Active Member
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[China]
Address: Xinggang Wuli, Xiamen Area,China (Fujian) Pilot Free Trade Zone 361024 Xiamen Betalent Carbide Co.,Ltd
Contact name:Silin Zhang
Xiamen Betalent Carbide Co.,Ltd |
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tungsten carbide drill bits,twist drills,solid tungsten carbide drill bits,solid carbide drill bits
Cemented carbide has the advantages of high hardness, toughness and corrosion resistance can stand the annealing without changing its physical characters. So, cemented carbide is a very good material for drill bits, replace the HSS perfectly in function and tool service life, however price per piece is more expensive than HSS drill bits, usually applied for precision drilling in lathe tools, machining centers, automobile parts, molds, ceramics, woodworking, etc.
Classified by shapes, there are fixed shank carbide drill bits(shank diameter is fixed, sometimes not the same as cutting diameter) and straight carbide drill bits(shank diameter same as cutting diameter).
Straight shank right hand carbide twist drill Standar size:
| d=D Cutting dia. | Lc Cutting length | L Overall length |
| 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 |
Parameters setting for carbide drill bit milling different materials:
Work piece material |
Strength of extension σ b/MP a | Hardness HB | Feed f/(mm/r) | Speed V/(m/min) |
Coolant | ||
| d/mm | |||||||
| 5~10 | 11~30 | 5~10 | 11~30 | ||||
Tool steel | 1000 1800~1900 2300 | 300 500 575 | 0.08~0.12 0.04~0.15 <0.02 | 0.12~0.2 0.05~0.08 <0.03 | 35~40 8~11 <6 | 40~45 11~14 7~10 |
Water-insoluble cooling oil
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| Nickel chrome steel | 1000 1400 | 300 420 | 0.08~0.12 0.04~0.05 | 0.12~0.2 0.05~0.08 | 35~40 15~20 | 40~45 20~25 | |
| Cast steel | 500~600 | —— | 0.08~0.12 | 0.12~0.2 | 35~38 | 38~40 | |
| Stainless steel | —— | —— | 0.08~0.12 | 0.12~0.2 | 25~27 | 27~35 | |
| Heat resistant steel | —— | —— | 0.01~0.05 | 0.05~0.1 | 3~6 | 5~8 | |
| Gray iron | —— | 200 | 0.2~0.3 | 0.3~0.5 | 40~45 | 45~60 | Dry cut or emulsion |
| Alloy iron | —— | 230~350 | 0.03~0.07 | 0.05~0.1 | 20~40 | 25~45 | Water-insoluble cooling oil or emulsion
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| —— | 350~400 | 0.03~0.05 | 0.04~0.08 | 8~20 | 10~25 | ||
| malleable cast iron | —— | —— | 0.15~0.2 | 0.2~0.4 | 35~38 | 38~40 |
Dry cut or emulsion |
| Brass | —— | —— | 0.07~0.15 | 0.1~0.2 | 70~100 | 90~100 | |
| Cast bronze | —— | —— | 0.07~0.1 | 0.09~0.2 | 50~70 | 55~75 | |
| Aluminum | —— | —— | 0.15~0.3 | 0.3~0.8 | 250~270 | 270~300 | Dry cut or gasonline |
| Hard rubber | —— | —— | 0.2~0.4 | 30~60 | |||
| Thermosetting resin | —— | —— | 0.04~0.1 | 60~90 | |||
| Plastic | —— | —— | 0.05~0.25 | 30~60 | |||
| Glass | —— | —— | Manual | 4.5~4.7 | |||
| Glass fiber composite material | —— | —— | 0.063~0.127 | 198 | |||
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 .
