Deep Hole Solid Carbide Drills Tungsten Carbide Twist Drill Bits ISO 9001 Certificated

Use: Metal drilling

Suitable for deep-hole drilling of steel, cast iron etc.

Excellent edge strength, excellent self-centering capability.

Straight lips, precise edge preparation is adapted, reinforce the strength of edge.

Small edge home, largeblack taper, reduce friction and torque impaction.

Versatile, for high efficienc machining in a variety of material P(steel), M(stainless steel), K(Cast iron)

Linear cutting edge with high strength

Optimized drill point structure for better cutting performance

Professional after treatment for coating ennsures low-resistance, high-efficiency machining

Double edge-line design for improved machining stability

Why choose us ?

1. We are Integration of Industry and Trade manufacturing tungsten carbide series product,Widest product range, Best production capability, Best quality control, Best Service, Competitive price;

2. 100% QC inspection before shipment;

3. Feedback within 24 hours and Good English Communication;

4. Good training export sales can give professional suggestion on product;

5. Customized making according to your drawing papers;

6. Accept trial order and sample order;

7. Accept all payment terms of T/T, L/C, , Paypal,Trade Assurance,etc.;

8. Offer free samples under the condition of freight paid by customer;

9. Survey Email of products usage will be sent timely to listen your feedback,our aim is trying to make every customer satisfied and we both sides WIN-WIN!