13-687 HELIX MORTISE BIT W/ DOWNSHEAR Marking Tools Tension Roller are adjustable for

Tension Roller are adjustable for pressure and contact

Excellent at blocking steady-state noises like fans

Understanding pocket-hole spacing

24-1/8" overall length

guaranteeing flatness to less than

13-687 HELIX MORTISE BIT W/ DOWNSHEAR Marking Tools Tension Roller are adjustable for11 16"CD, 5 8"CL Product Description These Mortise heads are designed to screw down onto a Helix Mortise Arbor (Part #HMA 1 4 or #HMA 1 2) for easy transition from one cutting head to the next. The Mortise head is only available with a downshear cutter. 13 687 Spec Fractional DIA: 11 16" Decimal DIA: 0. 687" Cutting Length: 5 8" Overall Length: 7 8"