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Arbor for Helix Mortise

Product Description

Screw type helix mortise arbors and cutters are sold separately.
6.35 (1/4”) shank arbors, namely Whiteside HMA-1/4 (with 1/4-28 thread) and HMA-1/4A (with 5/16-24 thread) feature in 6.35mm and 7.94mm thread diameters.
Similarly the 12.7mm (1/2”) shank arbors, namely Whiteside HMA-1/2 (with 1/4-28 thread) and HMA-1/2A (with 5/16-24 thread) also feature in 6.35mm and 7.94mm thread diameters.
All cutters are supplied in ¼-28 thread; choose the 13-1250A cutter for the 5/16-24 threaded arbors (HMA-1/4A or HMA-1/2A).
Designed for shallow mortise routing like hinge cut outs, dado’s and the shoulders and cheeks of tenons. Helix implies that the cutters offer downshear thus minimizing chipping and splintering on the top face. Increased width and depth of gullet between the cutting edges provides improved chip clearance and less chip loading.
Install bearing and lock collar on shank to enable pattern or template routing.
Compatible with CNC, table mounted routers and hand held routing.
All Whiteside’s cutting tips are hand brazed, precision ground and made from American industrial grade micro grain tungsten carbide.
Whiteside also make compatible bits for many different jig systems like Leigh Jig, Keller, OmniJig, Porta-Cable and what’s more Whiteside are Akeda approved and also the recommended router bits for Incra.

Make # Shank special usethread typematerialItem Price Ex. VAT Item Price Inc. VAT  
Whiteside HMA-1/4 6.35 mm (1/4") 1/4-28steel£ 5.47 £ 5.09£ 6.56 £ 6.10Buy / Details
Whiteside HMA-1/4A 6.35 mm (1/4") for cutter 13-1250A only5/16-24steel£ 5.47 £ 5.09£ 6.56 £ 6.10Buy / Details
Whiteside HMA-1/2 12.7 mm (1/2") 1/4-28steel£ 5.47 £ 5.09£ 6.56 £ 6.10Buy / Details
Whiteside HMA-1/2A 12.7 mm (1/2") for cutter 13-1250A only5/16-24steel£ 5.47 £ 5.09£ 6.56 £ 6.10Buy / Details
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