|HSS Cobalt M42 twist drill bits 3/8 inch jobber bits China manufacturer|
HSS M35 5% Cobalt
|Stainless Steel,Carbon Steel,Aluminum,Alloy Steel,Cast Iron,Wood,Plastic|
Brief IntroductionHSS twist drill bits are suitable for all normal drilling in conventional materials, they provide fast and clean cutting for a vast array of materials:
Steel, Copper, Aluminum, Brass, Oak, Maple, MDF, Pine, PVC, Polycarbonate, Acrylic, ABS, Composite Materials, and Common Stainless Steel.
Drill bits are available in High Speed Steel (HSS), High Speed Steel with 5% Cobalt alloy (HSS-Co5) and Titanium Nitride-coated High Speed Steel (HSS-TIN).
High speed steel (HSS): harder than steel blades, stay sharper longer.
HSS Cobalt: Extremely hard and dissipate heat quickly. They are most commonly used for boring in stainless steel and other metals.
Standard of HSS twist drill bit:
DIN 338, DIN 345, DIN 1897,DIN340,ANSI B94.11M-1979
Diameter from 1.0mm to 100 mm
Workshop & Testing Lab
Packing & Shipping
Packing: Inner package: PVC Box ; Outer package: Cartons
Shipping: By air or by sea(FOB port:Shanghai/Ningbo),by express (DHL,UPS,TNT,FEDEX)
1. Q: Is OEM available?
A: Yes,OEM and customization are availble. Also, we can provide label printing service.
2. Q: Are samples available?
A: Yes, you can ask some samples for testing after confirming our prices, but please pay the freight fee,
the fee will be returned to you after you making official order.
3. Q: What is your payment terms?
A: T/T,L/C,Paypal for different circumstances.
4. Q: What's your deliver way?
A: Express delivery, air shipping, sea shipping are available for your request.
5. Q: What's your delivery time?
A: Usual delivery time is 20-30 days after receiving the advance payment.
For the customized product, the delivery time is 35-45 days after receiving the advance payment.