Halco Rock Tools, UK Manufacturer of DTH Hammers and Bits. Halco pioneered the development and distribution of DTH hammers in the 1950s.
The Super Dominator 400 is a heavy duty hammer with thicker 98mm (3.8") diameter outer components to provide extra service life in abrasive conditions and is suitable for waterwell drilling.
 
The Super Dominator 400 is designed for maximum performance at high pressures.
Top adaptor with internal N.R.V. (Non-Return-Valve) and
replaceable air distributor.​
Revised chamber volumes and cycle timing to optimize performance.
Simplified piston geometry for improved balance and location within cylinder.
Air Consumption
Halco 4 and DHD340A shanks reduce contact stresses and wear rates.
Size
108-150mm
(4 1/4-5 7/8")
Shank
Halco 4
DHD340A 
Air Pressure
100-507 PSI
(7-35 bar)
Halco 4
Tech Specs
DHD340
Tech Specs
Overview
Super Dominator 400
Hammer Type
Part Number
Shank
Top Thread
Hammer Flat Size
Weight
Outside Diameter
Make Up Length
Recommended Maximum Thrust
600224
Halco 4
2 3/8" API Reg Pin
65mm (2.560") 
38Kg
98mm (3 7/8")
1065mm (42")
500Kg (1100 lbs)
600258
DHD340A
2 3/8" API Reg Pin
65mm (2.560")
38Kg
98mm (3 7/8")
1030mm (40 1/2")
500Kg (1100 lbs)
Drill Bit Overview
Halco 4
Diameter
Face
Buttons
Oversize
 
 
 
 
 
Y
Y
Y
Y
Part
Number
650580
650931
650932
650936
650969
653249
650933
650466
650925
650444
650445
Weight
(Kg)
9.5
9.6
9.7
9.7
9.6
9.6
10
11
10.7
12.5
13.5
 
Design
Concave
Convex
Convex
Convex
Convex
Concave
Convex
Convex
Convex
Convex
Convex
Qty & Dia
14 x 13mm
15 x 13mm
8 x 14mm / 8 x 13mm
16 x 13mm
16 x 13mm
8 x 13mm / 8 x 13mm
8 x 14mm / 8 x 13mm
16 x 13mm
16 x 13mm
17 x 13mm
17 x 13mm
mm
108
110
115
115
115
115
120
127
127
140
150
 
Inch
4 1/2
4 5/16
4 1/2
4 1/2
4 1/2
4 1/2
4 3/4
5
5
5 1/2
5 7/8
Type
Ballistic
Dome
Dome
Ballistic
Semi Ballistic
Dome/Ballistic
Dome
Dome
Semi Ballistic
Dome
Dome
DHD 340A
Diameter
Oversize
 
 
 
 
 
 
Y
Y
Y
Y
Y
Y
Face
Buttons
Part
Number
650949
650961
653091
650526
650625
650955
650967
650680
650611
650966
650013
653482
650614
653094
Weight
(Kg)
8.1
8.1
8.5
8.2
8.2
8.3
8.5
10
9.5
9.6
10.6
9.7
10.1
11.8
Qty & Dia
15 x 13mm
15 x 13mm
14 x 14mm
16 x 13mm
8 x 14 / 6 x 13mm
8 x 13mm / 8 x 13mm
8 x 14mm / 10 x 13mm
8 x 13mm / 8x 13mm
16 x 13mm
16 x 13mm
16 x 13mm
20 x 13mm
8 x 14mm / 8x 13mm
9 x 16mm / 9 x 14mm
 
mm
110
110
110
115
115
115
115
120
127
127
127
127
130
140
 
Design
Convex
Convex
Convex
Convex
Concave
Flat
Convex
Concave
Concave
Concave
Convex
Convex
Concave
Concave
Inch
4 5/16
4 5/16
4 5/16
4 1/2
4 1/2
4 1/2
4 1/2
4 3/4
5
5
5
5
5 1/8
5 1/2
 
Type
Dome
Semi Ballistic
Parabolic
Dome
Dome/S-Ballistic
Dome
Semi Ballistic
Dome/S-Ballistic
Dome
Semi Ballistic
Dome
Ballistic
Dome/S-Ballistic
Dome
Additional bit configurations are available on request.