DTH Hammers

TRC HAMMER

TRC HAMMER

It’s a new version of Reverse Circulation hammer. The cuttings are evacuated to the ground through the inner tube of RC hammer.
TRC hammers lead to productivity growth and cost savings.

TRC HAMMER Specification

model TRC50 TRC80 TRC450 TRC550 TRC640
Connection 4" / 4.5" Metzke, 4.5" Remet Hex Joint Hex Joint Hex Joint Hex Joint
Bit Shank RC50 RC80 RC450 RC550 RC640
General Specifications Metric Imperial Metric Imperial Metric Imperial Metric Imperial Metric Imperial
Recommended bit diameter 133 - 146 5 1/4 - 5 3/4 208 - 270 8 1/5 - 10 5/8 503 - 620 19 4/5 - 24 2/5 550 - 670 21 2/3 - 26 3/8 680 - 830 26 7/9 - 32 2/3
Outside Diameter 121 4.76 194 7.64 483 19.02 525 20.67 640 25.20
Length w/o connection & bit 1008.5 39.7 1182.0 46.5 1848.5 72.8 2056.0 80.9 2059.0 81.1
Weight w/o bit 59.0 130.1 203.4 448.5 1916.0 4224.1 2700.0 5952.5 4750.0 10472.0
Backhead across flats (mm) 50 X 100 AF 50 X 160 AF Backhead pin hole 4-ø40 50 X 490 AF Backhead pin hole 4-ø50
Air Consumption
6.9 BAR / 100 PSI (m³/min & cfm) 45.3 1600 48.1 1700 56.6 2000
10.3 BAR / 150 PSI (m³/min & cfm) 7.9 280 19.8 700 68.0 2400 70.8 2500 85.0 3000
13.8 BAR / 200 PSI (m³/min & cfm) 11.3 400 24.9 880 93.4 3300 96.3 3400 113.3 4000
17.2 BAR / 250 PSI (m³/min & cfm) 15.3 540 28.3 1000 116.1 4100 118.9 4200 141.6 5000
24.1 BAR / 350 PSI (m³/min & cfm) 22.6 800 38.2 1350

* Other size of TRC Hammer is available upon customer’s request