1.    White Drill Bit:

       Standard:DIN338 / DIN340 / DIN1897 / DIN1869 / ASME / Extra Length 

       Material: HSS M42(8% Cobalt) / M35 (5% Cobalt) / M2 /  W4 

       Process: Fully Ground / Milled

       Cutting Edge: 118° General Angle /  135° General Angle / Fast Drill Bits /  118 ° Split Point /                                  135 ° Split Point 

2.   Black Drill Bit:

       Standard:DIN338 / DIN340 / DIN1897 / DIN1869 / ASME / Extra Length 

       Material: HSS M42(8% Cobalt) / M35 (5% Cobalt) / M2 /  W4 

       Process: Fully Ground / Roll Forged / Milled

       Cutting Edge: 118° General Angle /  135° General Angle / Fast Drill Bits /  118 ° Split Point /                                  135 ° Split Point 

3.   Coffee Drill Bit (Cobalt drill bits):

       Standard:DIN338 / DIN340 / DIN1897 / DIN1869 / ASME / Extra Length 

      Material: HSS M42(8% Cobalt) / M35 (5% Cobalt)

       Process: Fully Ground / Milled

       Cutting Edge: 118° General Angle /  135° General Angle / Fast Drill Bits /  118 ° Split Point /                                  135 ° Split Point 

4.   Gold Drill Bit (TiN Coating Drill Bits):

       Standard:DIN338 / DIN340 / DIN1897 / DIN1869 / ASME / Extra Length 

       Material: HSS M42(8% Cobalt) / M35 (5% Cobalt) / M2 /  W4 

       Process: Fully Ground / Milled

       Cutting Edge: 118° General Angle /  135° General Angle / Fast Drill Bits /  118 ° Split Point /                                  135 ° Split Point 

5.   Black & Gold Drill Bit: 

       Standard:DIN338 / DIN340 / DIN1897 / DIN1869 / ASME / Extra Length 

       Material: HSS M42(8% Cobalt) / M35 (5% Cobalt) / M2 /  W4 

       Process: Fully Ground / Milled

       Cutting Edge: 118° General Angle /  135° General Angle / Fast Drill Bits /  118 ° Split Point /                                  135 ° Split Point 

Panoramic View of the Company:

Established time: 1981

Staff Number: Around 3,600

Annual Output (Drill bits):250 million pcs

Annual Turnover: 500 million USD

Certificate: CE, RoHS, etc.

Factory Management: ISO 9001:2008 Standard

Sales Quota: America 40%,Europe 30%,Southest Asia15%,Middle-east 10%, Africa 5%.

Main Products: HSS straight shank drills, taper shank drills, taps, holesaws, saw blades, countersinks, wooden drills, masonry drills, etc.

Website:     

Office Building:

Manufacturing Shop:

Test Centre:

CE  Certificate :

RoHs Certificate :

The Comprehensive Strength Ranks:

Samples of B/L :( ONE IS FOR BOSCH, THE OTHER FOR IRWIN )