HELIX MORTISE ARBORS
Shank
Diameter
HMA-1/4
HMA-1/2
HMA-1/4A
use with 13-1250A
HMA-1/2A
SCREW TYPE HELIX MORTISE
With Downshear Cutter Only 1/4"- 28 Threads Carbide
Cutting Diameter
Fractional
Decimal
13-1250A
thread
5/16"-24
To Mortise Router Bits
To Staggertooth Router Bits
To Straight Router Bits