BMT 51: Pusher leg for BBC 16W rock drill - Atlas Copco USA

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BMT 51: Pusher leg for BBC 16W rock drill

8321 0301 01

Pusher legs must be light, yet strong. Standard aluminium is light, but it just isn’t tough enough to meet our high demands. Atlas Copco BMT 51 pusher leg is made with an alloy that was developed for use in spacecrafts. Not only is it strong, but it features a large piston diameter for high feed force. A simple, robust design for reliable operation and a minimum maintenance.

Features & benefits

  • Double-acting: push out and pull back in
  • Simple to connect


  • Production drilling
  • Mining and construction
  • Dimension stone industry

Technical data

Technical Specifications
Pusher leg typeSingle telescope
Feeding length51 5/32 inch
Length extracted116 7/16 inch
Length retracted65 1/4 inch
Weight33 lb
Piston diameter2 11/32 inch
Double actingYes
Feed control on legNo
Suitable for rock drill
Pusher leg rock drillBBC 16W, BBC 16WS