| Product |
High Grade HSS M35 Cobalt Twist Drill Bit |
| Brand |
OEM/ODM |
| Standard |
DIN 338 |
| Shank Type |
Parallel shank/Straight shank |
| Size |
0.5mm to 20mm |
| Material |
HSS Cobalt M35 / HSS Cobalt M42 / HSS M2 / HSS |
| Color |
Gold /Titanium/ Black Oxide |
| Split Point |
135°/118° |
| Process |
Full ground |
| Hardness |
58-68HRC |
| Application |
For Stainless steel, high temperature alloy, titanium alloy, high strength carbon fiber composite materials, etc. |
| Package |
5pcs or 10pcs/plastic box,50pcs/inner box |
| Delivery Time |
within 3-30days according to your order quantity |
Other packaging size for your reference
Frequently Asked Questions
Q
What standards do these twist drill bits comply with?
These jobber twist drill bits are designed and manufactured strictly in accordance with the DIN 338 standard, ensuring high precision and compatibility with standard tool holders.
Q
What materials are best suited for these HSS Cobalt M35 drill bits?
They are specially optimized for drilling tough materials like stainless steel (INOX), high-temperature alloys, titanium alloys, and high-strength carbon fiber composite materials.
Q
How does HSS Cobalt improve performance compared to standard HSS?
The addition of cobalt (e.g., M35 containing 5% cobalt) increases the thermal resistance and hardness (up to 58-68HRC), enabling the drill bits to maintain cutting efficiency at much higher temperatures.
Q
What is the split point angle and why is it important?
We offer split points in 135° and 118°. The split point design reduces the thrust force required and prevents the drill bit from "walking" on the workpiece surface, facilitating self-centering.
Q
What sizes and packaging options are available?
We offer standard sizes ranging from 0.5mm to 20mm. The standard packaging includes 5pcs or 10pcs in a protective plastic box, packaged inside a 50pcs inner box.
Q
Are OEM and ODM customization services available?
Yes, we support both OEM and ODM custom orders, including variations in color finishes (gold, titanium, black oxide), materials, sizes, and customized packaging options.
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