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Product Comparison Tables

Below you can select which Hammer, Button Bit or Overburden System suitable for your requirements. Click on the links provided for more detailed information on each product.

DTH Hammers - Valveless Hammers

Hammer Type Std Bit Range Bit Shank Option Backhead Length

(mm)

Diameter

(mm)

Bore

(mm)

Piston Stroke Piston Weight

(Kg)

Hammer Weight

(Kg)

Hyper 31 90/100 Mach33
IR3.5
A3015
2.3/8 Reg Pin 878 79.2 62.23 102 5.0 24.0
Hyper 41 105/127 DHD340A / Cop44
SD4
XL4
2.3/8 RegPin 990 95.2 76.2 108 8.0 37.0
Hyper 51 127/152 DHD350R SD5
QL50
3.1/2 Reg Pin 1116 114.3 92 108 15.5 66.0
Hyper 63 152/216 DHD360
SD6
3.1/2 Reg Pin 1232 141 116.3 108 22.3 96.0
Hyper 81 203/254 DHD380
SD8
4.1/2 Reg Pin 1409 184.1 149.4 102 51.4 194
Hyper 101 254/305 SD10
N100
6.5/8 Reg Pin 1575 225 175 127 68 338
Hyper 121 302/445 N120
DHD112
SD12
6.5/8 Reg Pin 1889 272 216 127 125 675
Hyper 181 458/610 N180
SD18
8.5/8 Reg Pin 2185 406 311 146 329 1608
Hyper 241 610/864 N240
8.5/8 Reg Pin 2355 584 433 162 630 2510
Hyper 301S 863/1090 XL24 10" Beco 2540 745 433 152 630 4000

DTH Hammers - Valved Hammers

Hammer Type Std. Bit Range Bit Shank Options Back Head Length

(mm)

Diameter

(mm)

Bore

(mm)

Piston Stroke Piston Weight

(Kg)

Hammer Weight

(Kg)

BR1 60/64 BR1 RD40 Box 709 51 36 76 1.0 8.0
BR2 70/85 BR2 RD50 Box 838 62 42.6 101 1.8 13.0
BR3 85/95 BR3 2.3/8 Reg Pin 768 78 50.8 101 2.5 22.0
BR33 90/100 BR33 / BR3 2.3/8 Reg Pin 768 79.4 57 101 3.0 25.0
BR4 105/127 BR4 / DHD24 2.3/8 Reg Pin 913 95 68 152 4.8 34.6

Button Bits Range

Bit Diameter

(mm)

Bit Shank Options

 

Bulroc Hammer

 

Face Design

 

Approx Net Weight

(Kg)

60 - 64 BR 1 BR 1 Flat 1.8 - 1.9
70 - 85 BR 2 BR 2 Flat 2.5 - 2.7
85 - 95 BR 3 BR 3 Convex 3.0 - 3.8
90 - 100 BR 33 BR 33 Convex 3.4 - 4.1
90 - 100 Mach 33 Hyper 31 Convex 3.4 - 4.4
95 - 105 DHD 3.5 / XL 3 Hyper 31 Convex 3.8 - 4.9
105 - 127 340A / Cop44 / SD 4 / Mach 44 / XL4 Hyper 41 Convex/Flat 8.4 - 9.9
127 - 152 350R / SD5 / QL50 / Mach50 Hyper 51 Convex/Flat 15.4 - 18.8
152 - 216 360 / SF6 SD6 / Mach60 Hyper 63 Concave 25.5 - 34.4
200 - 254 380 / SD8 / Mach 80 Hyper 81 Concave 33.8 - 51.5
254 - 305 SD10 / N100 Hyper 101 Concave 95 - 160
302 - 445 SD12 / N120 / DHD112 Hyper 121 Concave 159 - 312
458 - 610 N180 / SD18 Hyper 181 Concave 556 - 718
610 - 865 N240 Hyper 241 Concave 985 - 3410
863 - 1090 XL24 Hyper 301S Concave 2025 - 2440

DTH Hammers - R.C.Hammers

Hammer Type

 

Std Bit Range

 

Bit Shank Option

 

Backhead

 

 

Length

 

(mm)

Diameter

 

(mm)

Piston Stroke

 

Hammer Weight

(Kg)

BRC 4 108/115 BRC4 3.5DWT 1025 98 6.6 40.0
BRC 5 127/133 BRC5 4.5DWT 1166 121 8.7 59

Reverse Circulation Hammers

Bit Diameter

(mm)

Bit Shank Options

 

Bulroc Hammer

 

Face Design

 

Approx Net Weight

(Kg)

108 - 115 BRC 4 BRC 4 Concave 9.2 - 11.6
127 - 133 BRC 5 BRC 5 Concave 12.9 - 14.2

Eccentric Overburden Systems

System Size

 

Hole Diameter

(mm)

Closed Diameter

(mm)

Major Body Diameter

(mm)

Casing O/D

(mm)

Casing I/D

(mm)

System Weight

(Kg)

Hammer Size

 

ODS 90 124 91.4 100 114.3 100.5 16 Hyper 31
ODS 115T 155 115 122 140 124 30 Hyper 41
ODS 115W 155 115 124.5 140 127 31.5 Hyper 41
ODS 140 188 140.5 151 168.3 154 54 Hyper 51
ODS 160 215 160 172 193.7 174 75 Hyper 63
ODS 165 215 166 178 193.7 181 75 Hyper 63
ODS 190 237 190 203 219 206 115 Hyper 63
ODS 215 276 217 236 254 240 190 Hyper 81
ODS 235 310 241.3 251 273 254.5 170 Hyper 81
ODS 240 310 241.3 256 273 260 170 Hyper 81

Concentric Overburden Systems

System Size

Hole Diameter

(mm)

Closed Diameter

(mm)

Major Body Diameter

(mm)

Casing O/D

(mm)

Casing I/D

(mm)

System Weight

(Kg)

Hammer Size

 

CDS 235 290 235 251 273 255 135 Hyper 81
CDS 240 290 240 256 273 260 140 Hyper 81
CDS 280 340 281 300 324 304 300 Hyper 101
CDS 365 425 364.5 381 406 387 550 Hyper 125 / 141
CDS 460 530 457 475 508 483 790 Hyper 125 / 141
CDS 510 583 511 527 559 533 1350 Hyper 181
CDS 560 640 560 580 610 584 1550 Hyper 181
CDS 610 695 611 630 659 633 1790 Hyper 181/241
CDS 745 840 746 775.5 813 780 2900 Hyper 241
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