A 12.7mm B 9.5mm
This bit fitted with 12.7mm top bearing, when used with the conventional 12.7mm comb dovetail jig will produce square finger joints.
The TB8220 16mm inverted trim bit with a 16mm bearing can also be used to produce square finger box joints
with the KL-15" through dovetail jig Both TB8216S and TB8220 bits can also be used as top template flush trim bits.
Revised 10/05/2024