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8Inch Cop84 M80 SD8 Ql80 Down The Hole DTH Hammer Button Bits

8Inch Cop84 M80 SD8 Ql80 Down The Hole DTH Hammer Button Bits

8Inch Cop84 M80 SD8 Ql80 Down The Hole DTH Hammer Button Bits

8Inch Cop84 M80 SD8 Ql80 Down The Hole DTH Hammer 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.

8
 

DHD380, Cop84

8
 

M80

8
 

SD8

8
 

QL80

8inch (8") DTH Drill Button Bit

DiameterNo.*button  dia. (mm)No.*dia. (mm)weight
   kg
mminchgauge buttonsfront buttonsflushing hole
2007 7/810*Φ186*Φ162*Φ3046
203810*Φ186*Φ162*Φ3047
2168 1/210*Φ186*Φ162*Φ3053
2198 5/810*Φ186*Φ162*Φ3054
2228 3/410*Φ186*Φ162*Φ3055
2258 7/810*Φ186*Φ162*Φ3056
229910*Φ186*Φ162*Φ3057
2359 1/412*Φ188*Φ162*Φ3058
2409 1/212*Φ188*Φ162*Φ3059
2541012*Φ196*Φ162*Φ3061
27010 5/812*Φ197*Φ162*Φ3063
2791112*Φ199*Φ163*Φ2668


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