Halco Rock Tools, UK Manufacturer of DTH Hammers and Bits. Halco pioneered the development and distribution of DTH hammers in the 1950s.
The Mach 60 is a general purpose hammer suitable for all rock conditions at a wide range of air pressures.
 
The hammer is fitted with a reversible cylinder to prolong the service life, it also requires only a few tools to service and maintain.
 
This hammer is most suited for use with the Sim-Cas Concentric Overburden system because of the high frequency of the piston.
Top adaptor with internal N.R.V. (Non-Return-Valve) replaceable air distributor.
Reversible cylinder for extended life.
Simplified piston geometry for improved balance and location within cylinder.
Revised chamber volumes and cycle timing to optimize performance.
Air Consumption
Size
152-245mm
(6 - 9 5/8")
Shank
Halco 6
Air Pressure
100-435 PSI
(7-30 bar)
Tech Specs
Overview
Mach 60
Hammer Type
Part Number
Shank
Top Thread
Hammer Flat Size
Weight
Outside Diameter
Make Up Length
Recommended Maximum Thrust
600035
Halco 6
3 1/2" API Reg Pin
90mm (3.544") 
89Kg
138mm (5.433")
1095mm (43.110")
1500Kg (3300 lbs)
Drill Bit Overview
Halco 6
Part
Number
650585
650939
650927
653474
650440
650441
650457
 
 
Diameter
Face
Buttons
Oversize
 
 
 
Y
Y
Y
Y
Weight
(Kg)
23.5
26
26
30
34
42
49
mm
152
165
170
178
200
225
245
 
Inch
6
6 1/2
6 3/4
7
7 7/8
8 7/8
9 5/8
 
 
Design
Convex
Convex
Flat
Convex
Convex
Convex
Convex
 
 
Type
Dome
Dome 
Dome
Dome
Dome
Dome
Dome
 
Qty & Dia
16 x 16mm
19 x 16mm
19 x 16mm
18 x 16mm 
20 x 16mm
26 x 16mm
27 x 16mm
 
Additional bit configurations are available on request.