R32 Thread Drill Bits are ideal for medium to hard ground, they are recognized by their characteristic raised buttons and grooved chipways and flushing holes on the face.GMD rock tools for top hammer drilling are designed to transmit intensive impact energy into the rock with the least possible loss of energy. The result is good rock breakage, high penetration rates and high productivity. This, together with optimal hole quality, great reliability and long service life, gives the best possible blasting results, outstanding drill-steel economy and low total cost.GMD offers a complete selection of Top Hammer Drilling Tools to meet all of your drilling needs, which are suitable for any type of drilling application in mining, tunneling, construction and quarry work, and thread adapters in a full range of standard diameters. Our Products are suitable for powerful percussive drills and top hammers with high speed drifter, such as Atlas Copco 282 rocket boomer, Atlas Copco 352 rocket boomer jumbo, AtlasCopcoD7roc, Furukawa HCR 1200, Tamrock, and Ingesoll Rand ECM660. A comprehensive range of various button bits shown as below:Product Name: R32 Thread Drill BitsThread type: R32Head diameters: 41mm ~ 76mmFace designs; flat face,Carbide shape: Dome, Ballistic , Semi-Ballistic,Skirt designs: Standard, RetracR32 Thread Drill Bits for Drifting and Tunneling Name Code No. Thread Dia.(mm) Gauge Front Skirt Design Weight(kg) Threaded Button BitsQ7-41-R32R32415*9mm2*9mmStandard0.61Q7-43-R32R32435*9.5mm2*8mmStandard0.63Q7-45-R32R32455*10mm2*9mmStandard0.76Q7-48-R32R32485*11mm2*9mmStandard0.79Q7-51-R32R32515*13mm2*10mmStandard0.84Q9-45-R32R32456*9mm3*8mmStandard0.72Q9-48-R32R32486*9mm3*9mmStandard0.78Q9-51-R32R32516*10mm3*9.5mmStandard0.83Q9-57-R32R32576*11mm3*10mmStandard1.14Q9-64-R32R32646*11mm3*11mmStandard2Q8-41-R32R32416*8mm2*8mmStandard0.61Q8-43-R32R32436*8mm2*8mmStandard0.7Q8-45-R32R32456*9mm2*9mmStandard0.74Q12-64-R32R32648*10mm4*10mmStandard2Q14-76-R32R32768*11mm6*11mmStandard2.76Q9-64-R32R32646*10mm3*10mmStandard1.91Q9-76-R32R32766*13mm3*11mmStandard2.55Q9-89-R32R32896*14mm3*13mmStandard3.45Q9-48-R32-RCR32486*9mm3*9mmRetrac1Q9-51-R32-RCR32516*10mm3*9.5mmRetrac1.12Q9-57-R32-RCR32576*10mm3*10mmRetrac1.6Q12-64-R32-RCR32648*10mm4*10mmRetrac2.23Q14-76-R32-RCR32768*11mm6*11mmRetrac3.3Q9-64-R32-RCR32646*10mm3*10mmRetrac2.2Notes:Special sizes may be available upon request.How to order?Button Bit: Diameter + Thread + Skirt Shape + Face Design + Insert ConfigurationHow to Choose Right Face Design and Skirt Shape Button Bit Face & Skirt Design ? Face & Skirt Design Application Flat Face: For Drilling in medium to hard and abrasive rockDrop Center Face:For drilling in medium hard, maximum hole deviation controlNormal Skirt:For drilling in very hard and very abrasive rock formation which is compactRetrac Skirt:For drilling in loose and broken or fissured rock where it is difficult to retrac the drilling string due to the hole collapse Key Words:R32 Threaded bit,thread button bit,R32 button bitR32 Button Bit for for Drifting and TunnelingThread Button Bit for for Drifting and TunnelingButton Bit for for Drifting and TunnelingButton Drill Bit for for Drifting and Tunneling