carbide coal drills - all types

Model No.: ew-1 -- ew-4

Features: nail drill bits set

Model No.: standard

Features: Drill bit--Tungsten solid carbide step twist drill bit
1) High quality ,competitive price
2) High precision
3) the best mat

Model No.: M223

Features: 1)Diamond oil drilling bit of PDC BITS
2)15 year's experience in drill bit
3) certificate:ISO9001:2000
4)MOQ:1piece

Model No.: PDC drill bit

Features: 1)diamond core drill bit of PDC Drill Bit
2)15 year's experience in drill bit
3) certificate:ISO9001:2000
4)MOQ:1 piece

Model No.: other

Features: Drill bit--Tungsten carbide center drill bit
1)High quality
2)Best material
3)Competitive price

Model No.: standard

Features: Cutting tool--Tungsten solide carbide center drill bits
1) High quality
2)Competitive price
3)The best material

Model No.: BG305D

Features: 1.Comfortable knapsack shells
2.Bit dia: 80-200mm
3.Displacement: 51.7cc
4.CCC,ISO9001,etc
5.6-15 days delivery

Model No.: AFDB0001

Features: Hss Twist Drill Bits
Standard:DIN338,ISO235
Size:1.0mm-20.0mm
Finish:Black oxide, White, Rainbow, Amber, Tin Coated

Model No.: PLF-C702

Features: Construction core drill bit:
1. wet Drilling bits
2. Laser or silver welded bits
3. High quality concrete drill bit

Model No.: EB7520S(B)

Features: type: blower
2 Professional service
3.Competitive price
4.Sample lead time:3-5 days
5.Delivery lead time:2 weeks

Model No.: YA517

Features: 1.type size:3 3/4" 95.3mm
2.material:Tungsten Carbide
3.size range 95.3mm to 155.6mm
4.drilling formation:medium to hard

Model No.: 79mm-660mm

Features: Rubber sealed bearing steel tooth bit
1)size from 3''to 26''
2)covered all IADC code
3)with API&ISO9001
4)best quality