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  3" Dominator 350 cutaway

3" - Dominator 350

Available Shank: IR 3.5

Dominator 350 hammer is a high performance hammer for medium to hard rock conditions. Dominator 350 has no internal liner, which allows a larger piston diameter for greater blow energy.

Dominator 350 has fewer parts than any other 3" hammer on the market. This allows easy maintenance and servicing, with only a few simple tools required.

Suitable for operation at air pressures of 100 - 350 psi.
Drilling diameters of 3 1/2" - 4 3/32".

Click to enlarge
Dominator 350 Air Consumption table
Figures are based on theoretical data.

 
 
Top-adaptor with integral N.R.V. (Non-Return-Valve) replaceable air distributor.
 
 
 
 
 
Simplified piston geometry for improved balance and location within the cylinder.
 
 
 
 
 
Revised chamber volumes and cycle timing to optimize performance.
 
 
 
 

Dominator 350 part breakdown
Hammer Overview
Hammer Type
Dominator 350
Shank
IR 3.5
Top Thread
2 3/8 API Reg Pin
Hammer Flat Size
2.480"
Weight
50.71 lbs.
Outside Diameter
3 3/16"
Make Up Length
32 3/4"
Recommended Minimum Thrust
330 lbs.
Recommended Maximum Thrust
660 lbs.
Parts List
Hammer Type
Dominator 350
Shank
IR 3.5
Item
Description
1
Thread Protector
2
Top-Adaptor
3
O-Ring
4
N.R.V.
5
N.R.V. Spring
6
N.R.V. Housing
7
Disk Springs
8
Thrust Washer
9
O-Ring
10
Air Distributor
 
Air Distributor Removal Tool
11
Washer
12
Snap Ring
13
Piston
14
Cylinder
15
Snap Ring
16
Bit Retaining Ring
17
Chuck Spacer
18
Chuck
19
End Cap
Service Kit, Repair Kit, Foot Valve, F/V Tool (Body), and F/V Tool (Pusher) available
info

Drill Bits
IR 3.5 Shank - Dominator/Dart 350
Diameter
Face Design
Button Type
Button Qty./Dia.
Weight
3 1/2" / 90 mm
Convex
Semi-Ballistic
13 x 11 mm
8.38 lbs.
3 1/2" / 90 mm
Convex
Domed
13 x 11 mm
8.38 lbs.
3 3/4" / 95 mm
Convex
Semi-Ballistic
15 x 11 mm
8.82 lbs.
3 3/4" / 95 mm
Convex
Domed
15 x 11 mm
8.82 lbs.
3 15/16" / 100 mm
Convex
Ballistic
15 x 11 mm
9.92 lbs.
3 15/16" / 100 mm
Convex
Domed
15 x 11 mm
9.92 lbs.
4 1/8" / 104 mm
Convex
Domed
8 x 13 mm / 8 x 11 mm
10.8 lbs.