HL-88N Petrol engine driven screw drilling and extracting machine for sleeper spike |
This drilling and extracting machine is an essential tool for the maintenance division of railway to extract the anchor of sleeper screw.Especially,it has great advantages in working in tunnel.It uses diamond hollow drill bit and positions easily,clamps firmly,gets on and off the rail quickly and is used safely.It can drills the hole which is smaller at the top and bigger at the bottom of open.It has anti-extraction force while re-anchoring.It is your best choice. |
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