1/2reduced shank drill bit

Model No.: any model

Features: Improved support and retention, diamond are impregnated in the matrix behind the PDC cutters

Model No.: well

Features: 1.extremely high hardness and abrasion resistance
2.tungsten carbide substrate
3.improve the malleability and weldability

Model No.: VB-DP004

Features: diamond tools
with special technology of diamond brazing, teh griding effect will be much better and efficiency much higher.

Model No.: HJ, HA, GA, GAT, HY

Features: 1.PDC bits for soft,hard rock
2.size:3 1/2''-17 1/2 ''
3.certified by ISO,API
4.high quality best price
5.timely deliver

Model No.: GL-ND

Features: Professional Nail Drill Bits with Sanding bands
1.high quanlity steel;
2.Easy to use;

Model No.: SKG214

Features: 1)15 year's experience in drill bit
2)certificate:ISO9001:2000
3)delivery in time
4)long life time
5) MOQ:1 piece

Model No.: sealed bearing

Features: kingdream rock tricone bits
1)API &ISO9001drill bit
2)min order 1pcs bit
3)lower price tricone bit
4)a large stock rock bit

Model No.: DRTX

Features: rail cutter
19mm or 19.05mm weldon shank.Suitable for all brands of rail drilling machines.

Model No.: 8 1/2GD4478G

Features: TIC tricone bit
1)excellent qulity
2)reasonable price
3)good service
4)certified by ISO9001

Model No.:

Features: 1. The single cone bit is sealed journal bearing,
2. "o"type sealing, covers almost all IADC codes

Model No.: VB-DK002

Features: diamond tools
1. high efficiency
2. long working life
3. fast drilling speed

Model No.: any model

Features: Improved support and retention, diamond are impregnated in the matrix behind the PDC cutters