| Button Bit |
Detailed product Description: size:35mm(1 3/8'')----152mm(6'') Thread:R22,R25,R28,R32,R35,R38,R45,R51,ST68 Head:Flat,Convex,Concave,Drop-center Carbide:Cross or X type,Spherical,Balistic,Parabolic Body: Standard,Retarc | Quality aircraft alloy steel | Premium tungsten carbide | Optimum design | State of the art manufacturing Result in | Maximum wear resistance | High penetration rate | Longest lifespan | Outstanding performance in roughest conditions |
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