button bit

button bit

[′bət·ən ‚bit]
(design engineering)
A drilling bit made with button-shaped tungsten carbide inserts.
References in periodicals archive ?
Called the type 68, this button bit design has a better service life and better penetration rate than other manufacturers' bits in hard rock applications.
Of 165mm sandvik make button bit, suitable to m65 shank style hammer
Button bit with ballistic buttons 130 Button bit with spherical buttons 115 Insert bit 100
Tenders are invited for 6 And Half Inch 165Mm Dia Button Bit Flat Face Spherical Button With Bit Shank Style Ql60 Type Dth Hammer Suitable For Use In Water Well Drilling
Varied drilling conditions encountered in different situations also affect design, and require optimizing the selection process for the button bit.
7 m/min in hard rock using a 45 mm button bit, Atlas Copco reports that extensive field testing over two years has verified that the COP 1838, together with the new ECS electrical control system, on average is capable of:
Tenders are invited for Supply of 6 1/2 inch 165 mm dia button bit flat face spherical button with bit shank style ql 60 type dth hammer suitable for use in water well drilling
Tenders are invited for Pneumatic operated high pressure heavy duty valve less dth hammer model ql 60 or equivalent suitable for button bit size 150 to 215 mm dia and capable of working in air pressure between 150 to 350 psi having end connection 89 mm dia api pin reg
Limited tenders are invited for procurement of different sizes drilling button bit
Tenders are invited for 165Mm Dia Button Bit Flat Face Spherical Button With Bit Shank Style Mission 60 Type Compatible With Sandvik Make Dth Hammer Model Rh 500 Suitable For Use In Water Well Drilling