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Screw On Helix Mortise Arbors

Screw On Helix Mortise Arbors

These arbors are made to fit the screw type helix mortise cutters only.

All of our router bits are Made in USA by the award winning Whiteside Machine in their North Carolina factory.

 

 Part Number   Shank Diameter   Thread   Overall Length 
HMA-1/4 1/4" 1/4"-28 1-3/4"
HMA-1/2 1/2" 1/4"-28 1-3/4"
*HMA-1/4A 1/4" 5/16"-24 1-3/4"
*HMA-1/2A 1/2" 5/16"-24 1-3/4"
*5/16"-24 thread only fits 13-1250A cutter

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