Drill Bits
HSS M35 5% Cobalt Centre Drill Bits
A. Selected higher quality diamond powder, improved the sintering technique, enhanced the bond combination strength between diamond grain; B.Improved the inner structure of the sintered cavity, the pressure and temperature become more balance, which ensure the cutter has more stable performance; C.Adopted a new type of carbide, which improved the weld strength; D.Optimized the designation of joint face, which reduced the residual stress.
BIT SPECIFICATION Bit Type: 12-1/4" GS1604TZ IADC Code S223 Blade 4 Cutter Size (mm) 16MM;13MM Cutter Qty 1637;1333 Nozzle Qty 6NZ Gauge Length (mm) 72 Connection 6-5/8" API REG N.W./G.W. (KG) 97/122 Nozzle Size(inch) 22/32 GREAT PDC bit Advantage  Equipped for Performance Great PDC Bits are equipped with 1.High Abrasion tungsten carbide material, Hardened Alloy Steel base material 2.High performance PDC-Cutters 3.Carbide and Diamond gauge protection 4.Carbide/Diamond Shock Studs 5.Threaded or Plain Carbide Nozzles for Flushing
1. We are specially to cutting granite over 15years in China. All of our granite export to the international market. 2.Our diamond drill bit are suitable for wide range of geological formations from the softest to the hardest rock, widely used in all kinds of drillings for prospecting, water and electricity building and construction industry of road , railway ,bridge and building taking out core examine stake . 3. High quickly drill speed and long time drill life. 4.Materials: super man-made diamond. Copper powder and so on. Size: Size Available: 1. A-Gauge Core Bits: AQ, AQ-RSG, AWG(AX), AWM, AWT, LTK48 2. B-Gauge Core Bits: BQ, BQ-RSG, BQ-2.400, BQ3, BWG(BX), BWM, BWT, LTK60, TBW 3. N-Gauge Core Bits: NQ, NQ-3.032, NQ2, NQ2-RSG, NQ3/NQTT, NQ3-RSG, NQ3-3.032, NMLC, NWG(NX), NWM, NWT, TNW 4. H-Gauge Core Bits: NQ, HQ-RSG, HQ-3.830, HQ-3.895, HQ3/HQTT, HQ3-RSG, HQ3-3.380, HQ3-3.895, HMLC, HWF-Long, HWF-Short, HWG(HX), HWT 5. P- Gauge Core Bits: PQ, PQ3, PWF-Long, PWF-Short 6. S- Gauge Core Bits: SWF-Long, SWF-Short 7. U- Gauge Core Bits: UWF-Long, UWF-Short 8. Z- Gauge Core Bits: ZWF-Long, ZWF-Short 9. T, TT, T2 &TB Series Metric Core Bits: T36, TT46, T2-46, TB56, TT56, T2-56, T2-66, T2-76, T2-76 coreline, T2-86, T2-86 coreline, T2-101, T2-101 coreline 10. T6 Series Metric Core Bits: T6-76, T6-86, T6-101, T6-116, T6-131, T6-146 11. T6S Series Metric Core Bits: T6S-76, T6S-86, T6S-101, T6S-116, T6S-131, T6S-146 12. B Series(ISO3552-1) Metric Core Bits: B36, B46, B56, B65, B76, B86, B101, B116, B131, B146 13. Chinese Standard Metric Core Bits for Single Tube Core Barrels: Ï?36, Ï?46, Ï?56, Ï?59, Ï?75, Ï?91, Ï?110, Ï?130, Ï?160, Ï?170, Ï?219, Ï?275 14. Chinese Standard Metric Core Bits for Double Tube Core Barrels: Ï?56, Ï?59, Ï?75, Ï?91
HSS M35 5% Cobalt Step Drill Bits Set, Amber FINISHED, 3PCS:4-12, 4-20-4-32MM
170PCS HSS TWIST DRILL BITS SET, 118 DEGREE, DIN338, BLACK FINISHED IN METAL BOX. 1.0-8.0MMX0.5, EACH 10PCS 8.5-10.0MMX0.5, EACH 5PCS.
HSS M35 Cobalt 5% Twist Drill Bits SET, 1.0-10.0X0.5MM, 135 SPLIT POINT, DIN338 STANDARD, Amber Finishing,rose Plastic Box Packing
Products advantage A. Selected higher quality diamond powder, improved the sintering technique, enhanced the bond combination strength between diamond grain; B.Improved the inner structure of the sintered cavity, the pressure and temperature become more balance, which ensure the cutter has more stable performance; C.Adopted a new type of carbide, which improved the weld strength; D.Optimized the designation of joint face, which reduced the residual stress.
