Large Diameter DTH Bits

Large Diameter DTH Bits

Our Manufacturers:

31 Years in the Drilling Manufacturing and Consumables Business
Compete with Famous Brands in 40 Countries Around the World
Internationally recognized quality (ISO:9001) and environmental standards (ISO:14001)


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Specs

Bit Diameter (mm) Weight (kg) Hammer Outside Diameter (mm)
2 3/4" (70) 2.5 TG35 62
3 1/8" (80) 2.7
3 3/4" (90) 4.6 ACE30, TG35 79, 85
3 7/8" (100) 5.4
4 1/8" (105) 8.4 TG40 98
4 1/2" (115) 9.2
5" (127) 10.3
5 1/2" (140) 17.3 TG50 121
5 3/4" (146) 18
6 1/2" (165) 27.6 TG60 142
6 3/4" (172) 30.4
7 1/2" (191) 33.5
7 7/8" (200) 52 TG80 182
8 1/2" (216) 56
9 1/2" (241) 62
10" (254) 83 TG100 225
11 7/8" (302) 107
11 7/8" (302) 163 TG120 274
12 1/4" (311) 144
15" (381) 198
15" (381) 255 TG320 320
20 5/8" (525) 405
17 1/2" (445) 372 TG370 376
26 9/16" (550) 722
22" (559) 588 TG450S 410
23 5/8" (600) 648
24" (610) 670
30 1/2" (775) 1,290 TG550 525
31 1/2" (800) 1,334
38 3/8" (975) 2,350 TG640 640
40" (1016) 3,420 TG800 800
43" (1092) 3,550
46 1/4" (1175) 3,634

Other shank types or sizes are available upon customer's request