Carbide drill bit, Carbide drill bits for hardened steel, carbide
drill bits for metal,fixed shank left hand drill bits
Features:
Material:Tungsten Carbide
Use:Metal Drilling,Wood Drilling
Packing:Plastic case
Application:Various materials,tungsten carbide drill bits for
drilling
Size:3*60mm,5mm-15mm,4-12mm,1-23mm, or as your request
OEM:Acceptable
Shank:Round Shank,Straight shank
Usage:STEEL,rock drilling,aluminium,drill holes,cnc bit for wood
Diameter:1~20mm
Coating:Altin/Tialn/Tin/Tisin/Nano,Uncoated,Optional
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
|
| 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
|
| —— | 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:
Packing:Plastic case
Application:Various materials,tungsten carbide drill bits for
drilling
About us:
Xiamen Betalent Carbide Co., Ltd is a company focus on producing
cemented carbide materials and carbide products. It is located in
Xiamen, Dongguan, Ganzhou of China, head office and main plant is
in Xiamen, plants covering an area over 10000M2, employee number is
around 150, among them there is a 15 technician team continually
research and develop new items and offer professional technology
back up to sales staff, a 20-person quality control team. Betalent
carbide factory has advanced facilities and inspection instruments,
offer carbide products to the middle to high-end market.
