ZHANGJIAGANG FLAME MACHINERY CO.,LTD.
| Name | Cobalt Drill Bits |
| Material | M42 |
| Type | Twist bits |
| Process | Ti-coated,Black Oxide,Bright finished |
| Size | 1/16, 5/8, 3/8 |
| Shank | Straight Shank |
| Hardness | HRC65-67 |
| Surface | coffee |
| POINT: | 118/135 Split Point |
| Use | ceramic materials |
| Payment Terms | T/T, L/C, D/P |
| Supply Ability | 400,0000Pcs Per Mouth |
| Delivery Time | 30-45days |
| Packaging Details | Plastic box,Double Blister card |
| Brand Name | XRTOOLS |
| Model Number | 4.5MM |
| Certification | ISO9000 |
| Place of Origin | JIANG SU |
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Product Specification
| Name | Cobalt Drill Bits | Material | M42 |
| Type | Twist bits | Process | Ti-coated,Black Oxide,Bright finished |
| Size | 1/16, 5/8, 3/8 | Shank | Straight Shank |
| Hardness | HRC65-67 | Surface | coffee |
| POINT: | 118/135 Split Point | Use | ceramic materials |
| Payment Terms | T/T, L/C, D/P | Supply Ability | 400,0000Pcs Per Mouth |
| Delivery Time | 30-45days | Packaging Details | Plastic box,Double Blister card |
| Brand Name | XRTOOLS | Model Number | 4.5MM |
| Certification | ISO9000 | Place of Origin | JIANG SU |
| High Light | M42 Super Cobalt HSS Drill Bit | 8% Cobalt For Hard Metal ，135° Split Point M42 Drill Bit | Stainless Steel Drilling ，High Heat Resistance Cobalt HSS Drill Bit | Tough Alloy Materials | ||
M42 HSS Cobalt Drill Bit For Metal , 135 Degree Split-Point Drills
Description of DIN340 HSS Drill Bits:
| DESCRIPTION OF HSS | C | W | Mo | Cr | V | Co | Si | Mn | P | S |
| % | % | % | % | % | % | % | % | % | % | |
| W2MoCr4V(F4341) | 0.95-1.05 | 1.7-2.4 | 0.8-1.2 | 3.8-4.4 | 0.8-1.2 | 1.0-1.4 | 0.2-0.4 | <=0.03 | <=0.03 | |
| W4Mo3Cr4V(4341) | 0.88-0.98 | 3.5-4.5 | 2.5-3.5 | 3.8-4.4 | 1.2-1.8 | 0.5-1.2 | 0.2-0.4 | <=0.03 | <=0.03 | |
| W9Mo3Cr4V(9341) | 0.77-0.87 | 8.5-9.5 | 2.7-3.3 | 3.8-4.4 | 1.3-1.7 | - | 0.2-0.4 | 0.2-0.4 | <=0.03 | <=0.03 |
| W6Mo5Cr4V2(M2) | 0.8-0.9 | 5.5-6.75 | 4.5-5.5 | 3.8-4.4 | 1.75-2.2 | - | 0.2-0.4 | 0.2-0.4 | <=0.03 | <=0.03 |
| W6Mo5Cr4V2Co5(M35) | 0.9-0.95 | 5.5-6.5 | 4.5-5.5 | 3.8-4.4 | 1.75-2.2 | 4.5-5.5 | 0.2-0.4 | 0.2-0.4 | <=0.03 | <=0.03 |
| W2Mo9Cr4V2Co8(M42) | 1.05-1.15 | 1.15-1.85 | 9.0-10.0 | 3.5-4.25 | 0.95-1.25 | 7.75-8.75 | 0.15-0.65 | 0.15-0.4 | <=0.02 | <=0.025 |
How many benefits you get from cobalt drill bits:
Durability
The higher the amount of cobalt in the drill bits, the greater is their heat resistance.
If you want sturdier and high-performing bits, M42-grade will give you satisfaction.
It has 8% cobalt content that makes the alloy material extremely durable.
Another option is M35-grade, which has about 5% cobalt value.
Cobalt drill bits can handle up to 1100 degrees Fahrenheit or 593 degrees Celsius without breaking.
Made From HIGH-SPEED Steel and 5% Cobalt,improve much higher heat resistance because of cobalt steel's high
red hardness, provide strong durable performance compared to typical hss drill bits
Accurate and Neat: 135°Quick-Cut points are self-centering and penetrate quickly with less pressure.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2018
Total Annual:
500-600
Employee Number:
135~150
Ecer Certification：
Verified Supplier
Jiangsu Xing Rui Precision Tools Co., Ltd. is a leading manufacturer of high-quality cutting tools in China, established in 2008 and located in Danyang, Jiangsu Province—a major hub for cutting tool production with convenient transportation for global logistics. Main Products We speciali... Jiangsu Xing Rui Precision Tools Co., Ltd. is a leading manufacturer of high-quality cutting tools in China, established in 2008 and located in Danyang, Jiangsu Province—a major hub for cutting tool production with convenient transportation for global logistics. Main Products We speciali...
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