4MM 4 Lip Biscuit Groove Bit

Biscuit. Slot Cutter. The biscuit slot cutter comes in handy when one does not have access to a biscuit joiner. It is more than a biscuit slot cutter — it can be used for cutting slots in the side of wood. for other purposes too. This four-wing design allows for cutting precise slots for No. 0, No. 10 and No. 20 biscuits. The bearing guide needs to be replaced with a different size in order. to accommodate smaller than No. 20 biscuits. '. This router bit has a. 6.35 mm shank (shaft) that will fit most small or large routers. with the correct size collet. Please ensure that you select a router bit with a shank. (shaft) size that will fit into your router collet. PRO-TECH. router bits are manufactured in Taiwan.