1)all size as customers'request
2)certification ISOand API
3)good quality and low price
4)type:center drill bit
Port: Tianjin
Minimum Order Quantity: 1 Piece/Pieces drill bit
Supply Ability: 300 Piece/Pieces per Month drill bit
Payment Terms: L/C,T/T,Western Union
Contact Supplier
Packaging Detail: wooden or carton and/or as your requirement
Delivery Detail: within 7days
Applicable formation
Main availability:Very soft with low compressive strength and high drillability,such soft as soft shale,clay and salt bed,etc
Cuttingstructure:Hardfaced tooth surface and gage,high cutter exposure and the gage fitted with compacts
Main availability
| Size Ln. | mm | Bit Type |
| 7 7/8 | 200.0 | HA117 HA127 HA216 HA437 HA447G HA517G HA527G HA537G HA547G HA617G HA627G HA637G | ||
| 8 3/8 | 212.7 | HA117 HA127 HA216 HA437 HA447G HA517G HA537G HA547G HA617G HA627G | ||
| 8 1/2 | 215.9 | HA117 HA126 HAT127 HA217 HA417 HA437 HA447G HA517G HAS517G HA527G HA537G HAS537G HA547G HA547G HA617G HA637G | ||
| 8 3/4 | 222.3 | HA116 HA117 HA127 HA217 HA437 HA447G HA517G HA527G HA537G HA547G HA617G HA627G HA637G |
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Model No.: any
Features: We specialize in the production of diamond drill, various type,various size,welcome to cantact us
Model No.: AQ,BQ,NQ,HQ,T Series
Features: 1.Diamond core bit
2.Diamond core bit for mining,geological exploration
3.Diamond core bit BQ,HQ,NQ,PQ
4.Impregnated/surface
Model No.: PDC non-coring drill bit,3,4,5,6w...
Features: 1.PDC non-coring bit Manufacturer
2.PDC non-coring bit with top grade PDC cutter
3.PDC non-coring bit,3,4,5,6 wing available
Model No.: PDC drill bit NW series
Features: 1.PDC drill bit for water well & geothermal well
2.PDC drill bit with top grade PDC cutter,fast drilling efficiency
3.PDC bit
Model No.: size 3" to 26"
Features: Brawny Rock Bits
1)Bits size range :3-3/5"-26"
2)Best quality and low price
3)Longer drilling intervals
4) API &IADC
Model No.: size 3" to 26"
Features: Brawny Rock Bits
1)Bits size range :3-3/5"-26"
2)Best quality and low price
3)Longer drilling intervals
4) API &IADC
Model No.: DNHF
Features: 1.super tough high speed steel
2. M2, M2AL, M35, M42, ASP2030 etc
3.multi-cut geometry for ply-cutting and lower friction
Model No.: DNTJ
Features: cutting tool
1.cutting tool, speical-purpose carbide tips
2.reduced damage of tips
3. better endurance
4.Multi-cut geometry
Model No.:
Features: cutting tool
1.mini cutter
2.for pistol dress
3.high speed steel
Model No.: YT-274
Features: Diamond core drill bits for marble
Feature:Electroplate
Smooth cutting surface,high cutting speed.
Model No.: YT-265
Features: YT-265 Sell diamond englishi Core Drill Bits
Diameter 27.2/32.2/38.2/44.2/51.2/63.2/76.2/83.2MM
Length 40/400,40/450,350/450
Model No.: TX010
Features: 1.Description:Stainless Steel Drill Bits
2.Material: HSS Cobalt
3.Hardness:62-66 HRC
4.Usage:Metal Drilling
5.Size: 1-20MM