DOWN THE HOLE HAMMER (DTH)   General Specification Model MW-32 MW-42 MW-62 Bit Diameter: 3.3/8"- 4" 4.1/8"- 5" 6"-6.1/2" Weight: 50 lb 72 lb 93 lb Working Pressure: 6-12 bar 6-25 bar 6-25 bar Air Consumption at 6 bar: 40 l/s 62 l/s 100 l/s Air Consumption at 10.5 bar: 77 l/s 115 l/s 200 l/s Air Consumption at 18 bar: -.- 200 l/s 350 l/s