Halco Rock Tools, UK Manufacturer of DTH Hammers and Bits. Halco pioneered the development and distribution of DTH hammers in the 1950s.
Head Designs
Convex Face
 
Strong design for all conditions especially hard abrasive rock.
 
Good balance of fast drilling and long service life.
Flat Face
 
Alternative design for all rock conditions especially fractured and fissured rock and changing formations.
Concave
 
Alternative design for all rock conditions, particularly deep hole drilling can improve hole alignment as a result of inverted pilot.
Drill Bit Overview
Halco RC400 - Extra Flushing Design
Oversize
Weight
(Kg)
14.1
14.1
14.3
14.3
36.5
Diameter
Part
Number
653469
653470
653471
653472
653486
Face
Buttons
mm
127
130
133
136
189
Inch
5
5 1/8
5 1/4
5 3/8
7 1/2
Design
Drop Centre
Drop Centre
Drop Centre
Drop Centre
Drop Centre
Type
Dome
Dome
Dome
Dome
Dome
Qty & Dia
12 x 16mm / 2 x 13mm
12 x 16mm / 2 x 13mm
12 x 16mm / 4 x 13mm
12 x 16mm / 4 x 13mm
16 x 16mm / 10 x 13mm
Halco RC400 - Heavy Duty Design
Weight
(Kg)
14.2
14.2
14.4
14.4
Oversize
 
 
Part
Number
653558
653559
653560
653561
Diameter
Face
Buttons
mm
127
130
133
136
Inch
5 1/8
5 1/4
5 3/8
Type
Dome
Dome
Dome
Dome
Design
Drop Centre
Drop Centre
Drop Centre
Drop Centre
Qty & Dia
14 x 16mm / 2 x 13mm
14 x 16mm / 2 x 13mm
14 x 16mm / 4 x 13mm
14 x 16mm / 4 x 13mm  
Halco RC500
Diameter
Part
Number
653554
653555
653556
653557
653487
Face
Buttons
Oversize
Weight
(Kg)
27.4
27.6
27.8
28.0
40.0
mm
137
140
143
146
189
Inch
5 3/8
5 1/2
5 5/8
5 3/4
7 1/2
Design
Drop Centre
Drop Centre
Drop Centre
Drop Centre
Drop Centre
Type
Dome
Dome
Dome
Dome
Dome
Qty & Dia
12 x 16mm / 4 x 13mm
12 x 16mm / 4 x 13mm
12 x 16mm / 4 x 13mm
12 x 16mm / 4 x 13mm
16 x 16mm / 10 x 13mm
Additional bit configurations are available on request.
Additional bit configurations are available on request.