Straight shank extra long type twist drill bit

       1.Standard:  Extre Length

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

       3.Process: Fully Ground

       4.Cutting Edge: 118° General Angle /  135° General Angle / 118 ° Split Point /  135 ° Split Point
        5.Overall Length: 12",18" or as your request.       

Advantage:

1.Hardened high speed steel body provides additional safeguard.
2.Industrial grade cobalt high speed steel are available on request.
3.Right hand cutting direction; standard two flute design.
4.135 degree split point for quick start and no walk application.
   118 degree point angle design for general purpose are available on request.
5.Black oxide finish or Bright finish; Tin Coated are available on request.. 
6.Drill Bits Set are available on request.
 

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 )