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12inch SD12 Large Hole Mining And Well Drilling DTH Button Bits

Features of DTH(down the hole) hammer bit: (1) Made from premium quality nickel-alloy steel 25SiMnCrNi2MoVA for increased durability and wear characteristics, and YK 05 tungsten carbide which is same grade as internationally well-known brand. (2) Apply "hot (thermal) -insertion" processing procedure to insert the buttons as same as internationally well-known brand, (4) Entire CNC processing procedure ensure the quality consistency and reliable. (5) Military grade requirements of heat-treatment guarantee durability, specific heat treatment standards and special "stress relief" processes ensure consistent performance. (6) Designed for maximum performance and hole cleaning ability and high penetration rate.

Features of DTH(down the hole) hammer bit:

(1) Made from premium quality nickel-alloy steel 25SiMnCrNi2MoVA for increased durability and wear characteristics, and YK 05 tungsten carbide which is same grade as internationally well-known brand.

(2) Apply "hot (thermal) -insertion" processing procedure to insert the buttons as same as internationally well-known brand,

(4) Entire CNC processing procedure ensure the quality consistency and reliable.

(5) Military grade requirements of heat-treatment guarantee durability, specific heat treatment standards and special "stress relief" processes ensure consistent performance.

(6) Designed for maximum performance and hole cleaning ability and high penetration rate.

 

12
 

SD12

12
 

DHD112

12
 

NUMA120

12
 

NUMA125

12inch (12") DTH Drill Button Bit

DiameterNo.*button  dia. (mm)No.*dia. (mm)weight
   kg
mminchgauge buttonsfront buttonsflushing hole
3051215*Φ199*Φ163*Φ32130
31112 1/415*Φ199*Φ163*Φ32132
3301315*Φ19+12*Φ1931*Φ163*Φ32145
35013 3/415*Φ1912*Φ16+4*Φ163*Φ32158
3561415*Φ19+16*Φ1916*Φ16+4*Φ164*Φ28162
3811516*Φ19+12*Φ1916*Φ18+6*Φ184*Φ28187


Product Photos for DTH button bit

packing site for DTH button bit

drill bits



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