Cutters for the M2

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For relatively small mortise & tenon joints in boards 3/4" or thinner stock, a 5/16" spiral upcut bit (Leigh No.170 & 170C) leaves a nice, tight radius in the corners. Use it with a 1/2" to 8mm (5/16") collet reducer, No.172-8.

For heavier joinery in boards 3/4" to 1-1/2" thick, a 1/2" bit (Leigh No.180 or 180C) cuts quickly and smoothly. Leigh sells both HSS and solid carbide spiral bits. Note: No.180 1/2" HSS spiral bit comes standard with the M2.

Multiple Mortise and Tenon Cutter Selection Leigh Cutter Item No. A Overall Diameter B Cutting Depth C Shank Diameter D Shank Length E Overall Length F Required Guidebush Size   HSS             HSS Item 180 1/2" 1 1/2" 1/2" 2" 3 1/2 " 5/8" $24.00 USD Item 170 5/16" 1" 5/16" 2" 3" 7/16" $17.00 USD Solid Carbide             Solid Carbide Item 180-C 1/2" 1 1/2" 1/2" 2" 3 1/2 " 5/8" $58.00 USD Item 170-C 5/16" 1" 5/16" 2" 3" 7/16" $32.00 USD