Normal Top hammer drill bits

Normal Top hammer drill bits

Due to the top quality and good service over the past more than 10 years, our threaded drill button bits have entered many countries in the world. Litian, a professional rock drill bits factory, offers various rock drill bits types for sale at a very competitive button bit price. Please feel free to contact us to get more about thread rock drill bit.

Product Description

Normal Top hammer drill bits

Normal Top hammer drill bits

In top hammer threaded drilling tools, standard threaded button bit is the most widely used drill bit, which can be applied to all rock conditions. Our standard button bits are R25 button bit, R28 button bit, R32 button bit, R35 button bit, R38 button bit, T38 button bit, T45 button bit, T51 button bit, GT60 button bit, ST58 button bit, ST68 button bit, SR35 button bit…

Technical data
Technical Parameters
ModelHead ShapeHead Diameter(mm)LengthPort HolesSide HolesGauge Buttons
R25Flat Face38105125*Φ8
R25Flat Face45110326*Φ9
R32Flat Face45113326*Φ9
R32Flat Face641302/6*Φ10
R32Convex Face761302/6*Φ12
R38Center Drop Face641303/6*Φ11
R38Center Drop Face76130228*Φ12
R38Center Drop Face89130228*Φ12
T38Center Drop Face641302/8*Φ9
T38Flat Face70130326*Φ12
T38Center Drop Face761304/8*Φ11
T38Center Drop Face891304/8*Φ12
T45Center Drop Face721404/8*Φ11
T45Center Drop Face761404/8*Φ11
T45Center Drop Face891454/8*Φ12
T45Center Drop Face1021504/8*Φ13
T45Triange Face891454/8*Φ13
T45Flat Triangle Face1021503/9*Φ13
T45Flat Triangle Face1151603/9*Φ14
T51Center Drop Face891554/8*Φ12
T51Center Drop Face1021554/8*Φ14
T51Flat Face115160228*Φ14
T51Center Drop Face1271654/8*Φ14
T51Flat Triangle Face1021553/9*Φ13
T51Flat Triangle Face1151653/9*Φ14
T51Flat Triangle Face1271653/9*Φ14
ST58Center Drop Face891754/8*Φ12
ST58Flat Face1021803/9*Φ13
ST58Flat Face115185228*Φ14
ST58Center Drop Face1271854/8*Φ14
GT60Flat Triangle Face1022203/9*Φ13
GT60Flat Triangle Face1152203/9*Φ14
GT60Flat Triangle Face1272253/9*Φ16
GT60Flat Triangle Face1402303/9*Φ16
ST68Flat Face102180228*Φ14
ST68Center Drop Face1151804/8*Φ14
ST68Center Drop Face1271904/8*Φ14
ST68Center Drop Face1401904/8*Φ16


Normal Top hammer drill bits

  • The technical support team may provide remote or on-site support to resolve issues encountered by users during use.
  • Provide original spare parts to ensure timely replacement of worn or damaged parts to maintain the normal operation of DTH bits.
  • Timely information reply throughout the day, the first time to solve your problems.

Normal Top hammer drill bits


thread bits,cnc wood thread milling router bits,thread tapping bits

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