DTH BIT

Product Detail Information

TOPDRILL produces various shank type DTH Bits including TD design shank. 

Concave, flat face, double step, convex face type are availavle and basically made from tough heat-treatment.

Alse we are using premium & first grade of insert tip in order to make longer service life.

From small size bit to big size bit, manufactured under strict quality-controlled conditions and especially

high quality of raw materials and advanced skills.

 

 Bit Diameter (mm)

 Weight(kg)

 Standard of TD Hammer

 Hammer Outside Diameter (mm)

 2 3/4" (70)

 2.5

ACE20 

 62

 3 1/8" (80)

 2.7

 3 3/4' (90)

 4.6

 ACE30, ACE35

79,85

 3 7/8" (100)

 5.4

 4 1/8" (105)

 8.4

 ACE40

98

 4 1/2" (115)

 9.2

 5" (127)

 10.3

 5 1/2" (140)

 17.3

 ACE50

121

 5 3/4" (146)

 18.0

 6 1/2" (165)

 27.6

 ACE60, TDU60C

142

 6 3/4" (172)

 30.4

 7 1/2" (191)

 33.5

 7 7/8" (200)

 52

 ACE80, TDU80C

 

182

 8 1/2' (216)

 56

 9 1/2" (241)

 62

 10" (254)

 83

 TD100

225

 11 7/8" (302)

 107

 12 1/4" (311)

 144

 TD112

274

 15" (381)

 198

 15" (381)

 255

 TD320

320

 17 1/2" (445)

 340

 18" (457)

 372

 ACE350

355

 20" (508)

 470

 ACE380

376

 21 5/8" (550)

 532

 22" (559)

 588

TD450

400

 23 5/8" (600)

 648

 24" (610)

 670

 30 1/2" (775)

 1,290

TD550

525

 31 1/2" (800)

 1,334

 38 3/8" (975)

 2,350

TD700

650

 40" (1016)

 3,420

TD800H

 

800

 43" (1092)

 3,550

 46 1/4" (1175)

 3,634

 

 

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  • DTH BIT



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