Hot-selling Down The Hole Drill - Tungsten Carbide Rock Drill Bit – TDS

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;

Bits Type

Cross Bits

X-Type Bits

Skirt Shape

Straight (Normal)

Retract

Straight (Normal)

Retract

Bits Diameter

35~127 mm

(1 3/8” ~ 127”)

64~102 mm

(2 1/2” ~ 4”)

64~127 mm

(2 1/2” ~ 5”)

64~102 mm

(2 1/2” ~ 4”)

Thread

R22, R25, R28, R32, R38, T38, T45, T51,

T38, T45, T51

T38, T45, T51

T38, T45, T51