Halco Rock Tools, UK Manufacturer of DTH Hammers and Bits. Halco pioneered the development and distribution of DTH hammers in the 1950s.
The Mach 50 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) and 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
127-165mm
(5 - 6 1/2")
Shank
Halco 5
Air Pressure
100-350 PSI
(7-24 bar)
Tech Specs
Overview
Mach 50
Hammer Type
Part Number
Shank
Top Thread
Hammer Flat Size
Weight
Outside Diameter
Make Up Length
Recommended Maximum Thrust
600046
Halco 5
3 1/2" API Reg Pin
90mm (3.544") 
54Kg
114mm (4.5")
1012mm (40")
900Kg (1980 lbs)
Drill Bit Overview
Halco 5
Part
Number
650461
650717
650838
650578
650913
650990
650463
650464
 
 
Diameter
Face
Buttons
Oversize
 
 
 
 
 
 
Y
Y
Weight
(Kg)
15.0
16.68
15.08
15.5
16.0
17.80
18.0
18.5
 
mm
127
127
127
140
135
146
150
165
 
Inch
5
5
5
5 1/2
5 3/8
5 3/4
5 7/8
6 1/2
 
 
Design
Convex
Concave
Convex
Convex
Flat
Concave
Convex
Convex
Type
Dome
Ballistic 
Ballistic
Dome
Semi-Ballistic
Dome
Dome
Dome
Qty & Dia
13 x 16mm
8 x 13mm / 8 x 16mm
18 x 11mm
8 x 18mm / 7 x 16mm 
14 x 16mm
7 x 16mm / 8 x 18mm
14 x 16mm
16 x 16mm
Additional bit configurations are available on request.