High Quality 15pcs Combination Drill Bit Set

high quality 15pcs combination drill bit set 

1.Details:

5pcs HSS twist drills:4.0,5.0,6.0,8.0,10.0mm

5pcs masonry drills:4.0,5.0,6.0,8.0,10.0mm

5pcs wood working drills:4.0,5.0,6.0,8.0,10.0mm

Surface finishing:black oxide,sand blaster

Manufacturing process: roll forged,edge ground, fully ground

Package: plastic box

40/CTN

G.W/N.W:19/17KGS

MEAS:40*32*21CM

2 Advantage

· 135 Degree Split Point - Makes entire point of the bit one long cutting edge. 

 · Superior Hardness due to Tungsten and Molybdenum base 

 · High Temperature Resistance due to addition of Cobalt 

 · Can be Re-Sharpened several times 

 · Impressive Guaranteed results when drilling hard alloys

3 Specification:

4.Packing

inner :metal or plastic box

outer: carton

size:40 *27 *20cm

N.W/CTN: 23kgs

W.W/CTN: 24kgs

5 we still offer other set:

We also supply combinaton drill bit set:

Q&A:

Question 1: Are you professional manufacturer or foreign trade company of hss twist drill bit line?

Answer: Danyang Boyu Tools Co., Ltd. is a professional manufacture and trader for all kinds of cutting tools in China. Since we have advanced management system, strong technical power and modern inspection instruments, our products have been exported to many countries and regions in Europe, America, Australia and Southeast Asia with a high reputation.

Question 2: What are your main products?

Answer: our main products are all kinds of HSS twist drill bits and drill sets, SDS-plus drill bits,wood working drill bits, Masonry drill bits, HSS hole saws, Taps & Dies, Diamond Saw Blades, TCT Circular Saw Blades.

Question 3: What material standard you using now regarding twist drill bit?

Answer: We are using HSS standard of: HSS M35Co%, HSSM2(6542),HSS 9341, HSS4341, HSS4241.

Question 4: Can you supply sample test and your samples are free?

Answer: Yes, we can supply samples customer need. According to our company rule, customer should pay the samples and the postage, and we promise we will definitely return the postage to you when we cooperation.