 - 108-168mm Symmetric Casing Drilling Systems- Manufacturer: Hubei Superdrill
 - Brand Name:SPD Material:Tungsten Carbide and High Quality Alloy Steel Use:Well Drilling Category:Symmetric Casing Drilling System Category:Symmetric Casing Drilling System Out Dia.of casing(mm) Inner Dia.of casin... Wuhan, China
 - T38,T45,T51,Gt60,St58,St68 Drop Center Button Drill Bit- Category:GT60 Thead Bit Thread button bits: High quality and several thread with various carbide tips like YK05 are available. All products can be developed upon customers' request. request. Wuhan, China
 - 2018 China T38 T45 T51 R32 R38 Thread Button Drill Bits- Manufacturer: Hubei Superdrill
 - Product Item:60633791343 Model Number:T38 T45 T51 R32 R38 thread bit Type:Drill Bit Material:Carbide Use:Coal Mining Category:R32 Thread Button Bit Wuhan, China
 - 38mm R28 R32 thread rock button drill bit for hydraulic machine- Manufacturer: Hubei Superdrill
 - Product Item:60750224326 Model Number:38mm R28 Type:Drill Bit Material:Carbon Steel Use:Ore Mining Category:R28 Thread Button Bit PACKING DETIALS. PER BIT WEIGHT:0.58kgs PACKING WAY:20 PCS ONE BOX,BOX SIZE IS 40M... Wuhan, China
 - Tungsten Carbide Button Bits T45 T51 For Consutruction Mining Drill Bit Tunnel Quary- Manufacturer: Hubei Superdrill
 - Category:T51 Thread Button Bit Wuhan, China
 - t38 t45 t51 thread button drill bit thread rock button bit manufacturer- Manufacturer: Hubei Superdrill
 - Product Item:60712356349 Model Number:T38-APXP76 Type:Thread Drill Bit Material:Tungsten Carbide Use:Mine Drilling, Well Drilling, Ore Drilling etc. Category:T45 Thread Button Bit Bit Diameter Serial Number Proce... Wuhan, China
 - Symmetric Overburden Casing Drilling System With Ring Bits- Manufacturer: Hubei Superdrill
 - Material:High Manganese Steel Use:Well Drilling Category:Symmetric Casing Drilling System The Symmetric Casing Drilling System consists of three parts: central pilot bit, casing shoe and symmetrical ring bit. Wuhan, China
 Wuhan, China Wuhan, China
 - 2018 China hot-selling T38 T45 T51 R32 R38 Thread Button Drill Bit- Manufacturer: Hubei Superdrill
 - Product Item:60750384247 Model Number:T38 T45 T51 R32 R38 thread bit Type:Drill Bit Material:Carbide Use:Coal Mining Category:R32 Thread Button Bit Wuhan, China
 - Chevron drag bit for mining water well drilling- Manufacturer: Hubei Superdrill
 - Product Item:60739548781 3-Wing Chevron Type:64~203 mm Thread Connection:N Rod, 2 3/8" ~ 4 1/2" API REG/IF Category:Drag Bit Superdrill Chevron drag bit are economical tools when drilling softer geological format... Wuhan, China
 - Yijue soil drilling bucket- Manufacturer: Yijue
 - Rock drilling bucket Rotary drilling buckets are mainly applied to such rock formations as higher water-bearing sandy soil, silt, clay, silty loam, gravel, cobble, and weathered soft formation. The drilling bucke... $1,999 USDWuhan, China
 - 22mm Hex tapered rod hollow drilling rod with shank H22- Manufacturer: Hubei Superdrill
 - Product Item:60685157315 Type:Drill Rod Material:High Manganese Steel Use:Coal Mining Category:Tapered Drill Rod Quantity Selection. Specification: Tapered Drill Rod Wuhan, China
 - 4 wings drilling step drag bit- Manufacturer: Hubei Superdrill
 - Product Item:60739548781 4-Wing Step Type:200~445mm Thread Connection:3 1/2" ~ 6 5/8" API REG/IF Category:Drag Bit Superdrill 4 wings step drag bits are one piece construction of alloy steel cast with tungsten ca... Wuhan, China
 - T45 89mm retrac thread button bit wth T45 thread drill rod for Mining quarrying and tunneling- Product Item:60755028771 Model Number:102mm T38 Thread Button Bit Type:Drill Bit Material:45CrNiMoV, Tungsten Carbide inserts Use:Coal Mining Category:T45 Thread Button Bit Wuhan, China
 - R25 R32 T38 T45 T51 St58 Gt60 Tungsten Carbide Thread Button Drill Bits for Mining- Manufacturer: Hubei Superdrill
 - Product Item:60303085352 Model Number:76T45 thread drill bit Type:Drill Bit Material:Carbon Steel Use:Ore Mining Category:T51 Thread Button Bit specification Thread button bits Thread button drill bits are made b... Wuhan, China

