DTH Hammers

TG HAMMER (LARGE)

TG HAMMER (LARGE)

TG hammer is TOPDRILL’s latest down the hole hammers design.
In extensive testing, these state-of-the-art hammers perform well with increased power and more efficient drilling.

TG Hammer Specification (Large)

model TG450N TG450S TG550N TG550S TG640S
Connection API 8 5/8" Reg. Pin, Hex Joint API 8 5/8" Reg. Pin, Hex Joint Hex Joint Hex Joint Hex Joint
Bit Shank TG450 TG450 TG550 TG550 TG640
General Specifications Metric Imperial Metric Imperial Metric Imperial Metric Imperial Metric Imperial
Reversible casing NO NO NO NO NO
Recommended bit diameter 460 - 660 18 1/9 - 26 460 - 660 18 1/9 - 26 610 - 850 24 - 33 1/2 610 - 850 24 - 33 1/2 710 - 975 28 - 38 2/5
Outside Diameter 415 16.34 415 16.34 530 20.87 530 20.87 640 25.20
Length w/o connection & bit 1872.0 73.7 2065.0 81.3 1848.0 72.7 1997.5 78.6 2109.0 83.0
Weight w/o bit 1474.9 3251.7 1656.9 3652.8 2350.0 5180.0 2587.7 5704.9 4146.9 9142.3
Backhead breakout pin hole (mm) 50 X 370 AF / 4-ø40 50 X 370 AF / 4-ø40 54 X 480 AF / 4-ø40 4-ø40 4-ø50
Air Consumption
6.9 BAR / 100 PSI (m³/min & cfm) 45.0 1590 46.4 1640 55.2 1950 54.4 1920 65.7 2320
10.3 BAR / 150 PSI (m³/min & cfm) 64.7 2285 66.2 2340 79.8 2820 82.4 2910 100.2 3540
13.8 BAR / 200 PSI (m³/min & cfm) 85.2 3010 89.5 3160 99.7 3520 109.3 3860 135.3 4780
Available Options
Bit Shank N180 / SD18 / QL200 N180 N240 N240
Bit retainer system YES YES YES YES
model TG800 TG900
Connection Hex Joint Hex Joint
Bit Shank TG800 TG900
General Specifications Metric Imperial Metric Imperial
Reversible casing NO NO
Recommended bit diameter 900 - 1250 35 3/7 - 49 1/5 1020 - 1450 40 1/6 - 57
Outside Diameter 800 31.50 900 35.43
Length w/o connection & bit 2173.5 85.6 2195.5 86.4
Weight w/o bit 6519.7 14373.5 8405.2 18530.3
Backhead breakout pin hole (mm) 4-ø50 4-ø50
Air Consumption
6.9 BAR / 100 PSI (m³/min & cfm) 85.8 3030 96.8 3420
10.3 BAR / 150 PSI (m³/min & cfm) 139.0 4910 150.6 5320
13.8 BAR / 200 PSI (m³/min & cfm) 195.0 6920 211.0 7460
Available Options
Bit Shank
Bit retainer system