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Pusher Leg Rock Drill |
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MDS-16W |
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All round rock drill which suits most drilling applications. It has a robust rifle bar rotation.Mechanism, long stroke and good penetration rates in hard rock. The pusher leg control is placed at the backhead of the rock drill. |
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Model No. |
Wt. |
Overall Length |
Air Consumption |
Hole Range |
Piston Bore |
Stroke Length |
Impact rate |
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lb |
inch |
at 92 psi |
inch |
inch |
inch |
at 6 bar |
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MDS 16W |
57.3 |
27.9 |
248.4 cfm |
1-1.6 |
2.7 |
2.1 |
39 |
Pusher Leg Data
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Model No. |
Wt. |
Piston Bore |
Feeding Length |
Length Retracted |
Length Extracted |
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lbs |
inch |
inch |
inch |
inch |
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MMT 51 |
33 |
2.3 |
51.1 |
65.2 |
116.4 | |
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Metric Description
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MDS-404W |
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This drill is intended to drill hoes 27-40 mm (1 1/16" - 1 9/16") in diameter up to the depth of 6 meter (20') .
This model drill has maintained its reputation of being one of the most economical and reliable rock drill for underground mines and tunnels because of its dependable design which includes Rifle Bar Rotation and Flushing system with double concentric tubes. This drill is used for horizontal or inclined drilling in conjunction with a Pusher Leg in underground mines and tunnel drilling. For underground applications, MDS-404W Drill is most reliable because of its low air consumption and a very high drill rate in relation to weight of the Drill.
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Model No. |
Wt. |
Overall Length |
Air Requirement |
Blows per minute |
Piston Diameter |
Piston Stroke |
Air Hose Connection |
Drill Steel Chuck |
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lb |
inch |
at 92 psi |
inch |
inch |
inch |
inch |
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MDS-404 W [1 X 4 1/4] |
55 |
23 |
101 cfm |
2000 |
2 1/2 |
9/25 |
3/4 |
1 X 4 1/4 |
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MDS-404 W [7/8 X 3 1/4] |
55 |
23 |
101 cfm |
2000 |
2 1/2 |
9/25 |
3/4 |
7/8 X 3 1/4 |
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MDS-404 W [7/8 X 4 1/4] |
55 |
23 |
101 cfm |
2000 |
2 1/2 |
9/25 |
3/4 |
7/8 X 4 1/4 |
Pusher Leg Data
MMK 62 pusher legs are used for drilling and tunneling. Freedom from interruptions is ensured by their sturdiness and the simple design of all components. Maintenance costs are kept to a minimum. Feed pressure is controlled by a hand-operated valve at the air inlet. A push-button operated valve permits momentary of feed pressure.
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Model No. |
Wt. |
Overall Length |
Feeding Length |
Piston Dia |
Air Hose |
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lb |
inch |
inch |
inch |
inch |
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MMK-62K |
48.1 |
72 |
51 |
2-3/32 |
1/2 | |
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Metric Description
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MDS 94W |
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High performance rock drill for soft to hard rock. It has ratchet wheel rotation mechanism, short stroke and high impact rate. It is also efficient at low air pressure. The pusher leg control is placed on the pusher itself. |
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Model No. |
Wt. |
Overall Length |
Air Consumption |
Hole Range |
Piston Bore |
Stroke Length |
Impact rate |
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lbs |
inch |
at 92 psi |
inch |
inch |
inch |
at 6 bar |
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MDS 94W |
59.5 |
26.3 |
205.5 cfm |
1-1.6 |
3.5 |
1.7 |
670 |
Pusher Leg Data
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Model No. |
Wt. |
Piston Bore |
Feeding Length |
Length Retracted |
Length Extracted |
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lb |
inch |
inch |
inch |
inch |
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MDS 72D |
41.8 |
2.7 |
51 |
74.8 |
128.7 |
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MDS 72D1 |
35.2 |
2.7 |
47.2 |
72 |
119.2 |
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Metric Description
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