T38 T45 T51 Retrac Button Bit For Mining

Material: 45CrNiMoVA Alloy Steel Body With Tungsten Carbide Button
Thread Type: T38, T45, T51, T60 GT60, ST58, ST68
Skirt Design: Retrac type
Face Design: Flat face, Drop center face, Uni-face, Cross type face, Reaming button type
Button Shape:Spherical buttons, Ballistic buttons
Head Diameter:45mm~152mm
Application:Tunnel , Blasting , Mining , Quarrying, Piling, Indutrial water-well, Bench Drilling, Production drilling, Long hole drilling, Drifting

Description
Inquiry

Thread button bits made with high quality of best quality alloy steel bar and tungsten carbides, through heat treatment so that it can withstand the toughest rock drilling demands, and transmit intensive impact energy into the rock with the least possible loss of energy. Threaded Drill Bits cover regular, retrac and reaming types.

Main button bits diameters

R32-45mm, R32-51, R32-64, R32-76, T38-64mm, T38-76mm, T38-89, T38-102mm, T45-76mm, T45-89mm, T45-102mm, T51-89mm, T51-102mm, T51-127 etc.

Skirt Shape	Straight (Normal)	Retract	Straightrac
Bit Diameter	35~152mm (1 3/8 ~ 6'')	45~127mm (1 25/32” ~ 5'')	64~102mm (2 1/2” ~ 4'')
Thread	R22, R25, R28, R32, R35, R38, T38, T45, T51, T60, ST58, ST68	R25, R28, R32, R35, R38, T38, T45, T51, T60, ST58, ST68	R38, T38, T45, T51, T60, ST58, ST68
Face Design	Flat,Convex or Drop Center;	Flat, Convex or Drop Center;	Flat, Convex or Drop Center;
Inserts Configuration	Domed (Spherical), Hemi-spherical, Ballistic, Parabolic or Conical;	Domed (Spherical), Hemi-spherical, Ballistic, Parabolic or Conical;	Domed (Spherical), Hemi-spherical, Ballistic, Parabolic or Conical;

With stronger button-fixing ability, longer service life, better wear-resistance and impact-resistance performance, Retrac button bits are widely used in tunneling, underground mining, open pit mining, anchoring and other large-scale construction projects.