Percussion Drill Bits
T51 Button bits
Style
Diameter (Metric)
Diameter (Imperial)
Thread
Grade
Flat Face hemispheric
89mm
3 1/2"
T51
Standard
Flat Face hemispheric
102mm
4"
T51
Standard
Flat Face hemispheric
114mm
4 1/2"
T51
Standard
Flat Face hemispheric
127mm
5
T51
Standard
Flat Face hemispheric
152mm
6
T51
Standard
Swipe to scroll
Style
Diameter (Metric)
Diameter (Imperial)
Thread
Grade
Flat Face hemispheric
89mm
3 1/2"
T51
Heavy Duty
Flat Face hemispheric
102mm
4"
T51
Heavy Duty
Flat Face hemispheric
114mm
4 1/2"
T51
Heavy Duty
Flat Face hemispheric
114mm
5
T51
Heavy Duty
Flat Face hemispheric
152mm
6
T51
Heavy Duty
Swipe to scroll
Style
Diameter (Metric)
Diameter (Imperial)
Thread
Grade
Drop Centre Hemispheric
89mm
3 1/2"
T51
Standard
Drop Centre Hemispheric
102mm
4"
T51
Standard
Drop Centre Hemispheric
114mm
4 1/2"
T51
Standard
Drop Centre Hemispheric
127mm
5
T51
Standard
Swipe to scroll
Style
Diameter (Metric)
Diameter (Imperial)
Thread
Grade
Drop Centre Ballistic
89mm
3 1/2"
T51
Standard
Drop Centre Ballistic
102mm
4"
T51
Standard
Drop Centre Ballistic
114mm
4 1/2"
T51
Standard
Drop Centre Ballistic
127mm
5
T51
Standard
Swipe to scroll
Style
Diameter (Metric)
Diameter (Imperial)
Thread
Grade
Drop Centre Retrac
89mm
3 1/2"
T51
Standard
Drop Centre Retrac
102mm
4"
T51
Standard
Drop Centre Retrac
114mm
4 1/2"
T51
Standard
Drop Centre Retrac
127mm
5
T51
Standard
Swipe to scroll
T51 Drag bits
Style
Diameter (Metric)
Diameter (Imperial)
Thread
Grade
3 Blade Drag Bit
102mm
4"
T51
Standard
3 Blade Drag Bit
114mm
4 1/2"
T51
Standard
3 Blade Drag Bit
127mm
5
T51
Standard
3 Blade Drag Bit
152mm
6"
T51
Standard
Swipe to scroll
T51 Dragon (Rocket) bits
Style
Diameter (Metric)
Diameter (Imperial)
Thread
Grade
Aggressive Ballistic
89mm
3 1/2"
T51
Standard
Aggressive Ballistic
102mm
4"
T51
Standard
Aggressive Ballistic
114mm
4 1/2"
T51
Standard
Aggressive Ballistic
127mm
5
T51
Standard
Swipe to scroll
T45 Button Bits
Style
Diameter (Metric)
Diameter (Imperial)
Thread
Grade
Flat Face hemispheric
76mm
3"
T45
Standard
Flat Face hemispheric
89mm
3 1/2"
T45
Standard
Flat Face hemispheric
102mm
4"
T45
Standard
Flat Face hemispheric
114mm
4 1/2"
T45
Standard
Flat Face hemispheric
127mm
5
T45
Standard
Swipe to scroll
T38 Button Bits
Style
Diameter (Metric)
Diameter (Imperial)
Thread
Grade
Flat Face hemispheric
76mm
3"
T38
Standard
Swipe to scroll