Machine Expand Straight Reamer
Straight Shank Expansion Chucking Reamers are straight fluted, end cutting tools used to enlarge previously formed through holes to a precise diameter with a smoother finish. Chucking reamers have round, straight shanks which can be mounted in chucks, collets or similar toolholders and may be used with a variety of standard portable or stationary machines such as drill presses, turret lathes and screw machines. The adjusting screw can be tightened to permit expansion back to the initial size after wear in the cutting end, increasing tool life and saving money. It can then be reground to the appropriate size and resharpened.
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