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  5" Dominator 500 cutaway

5" - Dominator 500

Available Shanks: Halco Mach 50, Sandvik Mission A43-15/SD5

Dominator 500, a class leader in performance, is suitable for drilling at a wide range of air pressures, excelling at high working pressures. Dominator 500 has a one-piece top-adaptor with N.R.V. (Non-Return-Valve) fitted for easy inspection and service, with integral finger to reduce maintenance and eliminate shimming. Dominator 500 has no liner, which increases the piston blow energy and reduces parts required.

The Dominator 500 can be used for waterwell, shallow gas, and oil applications. Dominator 500 is simple to maintain and to service, with only few simple tools required, with a recommended minimum bit size of 5".

Suitable for operation at air pressures of 100 - 435 psi.
Drilling diameters of 5 - 6 1/2".

Click to enlarge
Dominator 500 Air Consumption table
Figures are based on theoretical data.
 
One-piece top-adaptor reduces internal parts. No make up required. External N.R.V. for easy maintenance.
 
 
 
 
 
 
Simplified piston geometry for improved balance and location within the cylinder.
 
Revised chamber volumes and cycle timing to optimize performance.
 
 
 
 
 
 
 
 

5" Dominator 500 part breakdown
Hammer Overview
Hammer Type
Dominator 500
Shank
Halco
Sandvik Mission
Top Thread
3 1/2" API Reg Pin
3 1/2" API Reg Pin
Hammer Flat Size
3.544"
3.544"
Weight
127.87 lbs.
127.87 lbs.
Outside Diameter
4.65"
4.65"
Make Up Length
38.60"
38.60"
Recommended Minimum Thrust
900 lbs.
900 lbs.
Recommended Maximum Thrust
1980 lbs.
1980 lbs.
 
Parts List
Hammer Type
Dominator 500
Shank
Halco, A43-15 (SD5)
Item
Description
1
Thread Protector
2
Snap Ring
3
N.R.V. Seat
4
O-Ring
5
N.R.V.
6
N.R.V. Spring
7
Top-Adaptor
8
O-Ring
9
O-Ring
10
Cylinder
11
Piston
12
Snap Ring
13
Bit Retaining Ring
14
Chuck Spacer
15
Chuck
16
End Cap
Service Kit, Repair Kit, Foot Valve, F/V Tool (Body), and F/V Tool (Pusher) available
info

Drill Bits
Halco Mach 50
Size
Face Design
Button Type
Button Qty./Dia.
Weight
5" / 127 mm
Concave
Domed
8 x 13 mm / 8 x 16 mm
35.27 lbs.
5" / 127 mm
Convex
Domed
13 x 16 mm
33.07 lbs.
5" / 127 mm
Concave
Ballistic
8 x 16 mm / 8 x 13 mm
33.07 lbs.
5 5 1/6" / 135 mm
Convex
Domed
14 x 16 mm
34.17 lbs.
5 5 1/6" / 135 mm
Flat
Semi-Ballistic
9 x 16 mm / 9 x 13 mm
35.27 lbs.
5 1/2" / 140 mm
Convex
Domed
14 x 16 mm
34.17 lbs.
5 1/2" / 140 mm
Concave
Domed
9 x 16 mm / 9 x 14 mm
37.48 lbs.
5 3/4" / 146 mm
Concave
Domed
8 x 18 mm / 7 x 16 mm
39.24 lbs.
5 7/8" / 150 mm
Convex
Domed
14 x 16 mm
39.68 lbs.*
6 1/2" / 165 mm
Convex
Domed
16 x 16 mm
40.79 lbs.*
Mission Shank A43-15/SD5
5 1/2" / 140 mm
Concave
Domed
15 x 16 mm
34.61 lbs.
6" / 152 mm
Concave
Domed
16 x 16 mm
39.02 lbs.
6 1/2" / 165 mm
Concave
Domed
10 x 16 mm / 8 x 20 mm
42.55 lbs.
*Oversize