R25 Drill Bits For Drifting

R25 Drill Bits for Drifting With the top quality of alloy steels and the best carbides, GMD produces all Top Hammer Drilling Tools b y hot press technology and multiple heat-treated process to extend the product life for maximum wear and performance in the toughest of drilling conditions.Moreover, our products are produced from premium steels and fitted with tips with high quality tungsten carbide. It could ensure maximum service life and impact strength.Our Drill Bits 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, Atlas Copco D7roc, Furukawa HCR 1200, Tamrock, and Ingesoll Rand ECM660. A comprehensive range of various R25 Drill Bits shown as below:Thread type: R25Head diameters: 33mm ~ 76mmFace designs; flat face,Carbide shape: Dome, Ballistic , Semi-Ballistic,Skirt designs: StandardApplication: Drifting and Tunneling Notes:Special sizes may ? be available upon request.How to order? Button Bit: Diameter + Thread + Skirt Shape + Face Design + Insert Configuration How to Choose the Right Skirt Type and Face Design Normal Skirt Flat Face Drill Bit 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 compactRetracSkit: ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? For drilling in loose and broken or fissured rock where it is difficult to retrac the drilling string due to the hole collapse R25?Threaded?Drill?Bits?for?Drifting?and?TunnelingNameCode?No.ThreadDiameterGaugeFrontSkirt?DesignWeightThreaded?Button?BitsQ7-33R25R25335*7mm2*7mmStandard0.33?KGSQ7-35R25R25355*8mm2*7mmStandard0.44?KGSQ7-38R25R25385*9mm2*7mmStandard0.56?KGSQ7-41R25R25415*8mm2*9mmStandard0.61?KGSQ7-43R25R25435*9.5mm2*8mmStandard0.63?KGSQ7-45R25R25455*10mm2*9mmStandard0.78?KGSQ7-48R25R25485*11mm2*8mmStandard0.82?KGSQ7-51R25R25515*11mm2*10mmStandard0.88?KGSQ9-45R25R25456*9mm3*8mmStandard0.78?KGSQ9-48R25R25486*9mm3*9mmStandard0.89?KGSQ9-51R25R25516*10mm3*9.5mmStandard1.0?KGSQ9-57R25R25576*10mm3*10mmStandard1.31?KGSThreaded?Cross?BitsCB-35-R25R25358*14mmStandard0.38?KGSCB-38-R25R25388*14mmStandard0.48?KGSCB-41-R25R25418*14mmStandard0.59?KGSCB-45-R25R25458*14mmStandard0.79?KGSCB-48-R25R25489.5*19mmStandard0.92?KGSCB-51-R25R25519.5*19mmStandard0.97?KGSCB-57-R25R25579.5*19mmStandard1.09?KGSRemarks: Other specifications are available according to customers' requirementsKey Words:R25 Drill BitsR25 Threaded bit,thread button bit,R25 button bitR25 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