SongQi Cobalt Twist Drill Bits offer superior heat resistance, plus a rigid thick web design for drilling in extremely hard or abrasive materials such as treated stainless steel (precipitation-hardened), cast iron and titanium.
Any sizes are available for your requirements:
DIN 338/340/345/1869/1897; ASME Jobber Length
HSS 4241 / 9341 / M2 / M35 / M42
Full Ground / Milled / Roll Forged
135° / 118°
Bright / Tin-coated / Black Oxide / Black and Yellow / Black and White / Sandblast
A: Yes, OEM and customization are available. Also, we can provide label printing service.
Q: Are samples available?
A: Yes, you can ask some samples for testing after confirming our prices, but please pay the sample and freight fee, the sample fee will be returned to you after you making official order.
Q: What is your payment terms?
A: T/T,L/C,D/A,D/P,Paypal for different circumstances.
Q: What's your delivery way?
A: Express delivery, air shipping, sea shipping are available for your request.
Q: What's your delivery time?
A: Usual delivery time is 5-10days after receiving the advance payment;
For the customized product, 15-30 days after receiving the advance payment.
Q: As we knew, when we make order, some suppliers used lower material instead of high quality material products and send to us, how can I trust you? A: We suggest clients to test the material chemical elements after receiving goods and compare with samples. We promise that we will return all the money to you if you find any difference with samples. That's why many customers would like to cooperate with us for long terms.
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