Key Mortise Punches

This punch is designed for punching mortises in key levers to provide clearance for the balance pins. The punch is equipped with a chamfered pilot that will guide the punch along a predrilled hole slightly narrower than the balance pin. The 3/4” long triangular blade creates the mortise. The 5/16” diameter punch creates enough clearance for most keyboards. If the key dip is more than  the usual, the 3/8” diameter punch should be used.

8081 Small Key Mortise Punch,
5/16” diameter, designed for our .096" balance pins., hardened blade.

80815 Small Key Mortise Punch
as above, except not hardened.

80812 Large Key Mortise Punch,
3/8” diameter, otherwise as #8081.

80817 Large Key Mortise Punch,
3/8” diameter, not hardened.

80813 t-Type Key Mortise Punch,
t-type, 5/16” diameter, a hardened key mortise punch as above with a cross bar (in the shape of a lower case t) which will help to better align the slot in the direction of the key.

80814 t-Type Key Mortise Punch,
t-type, 3/8”” diameter, same as #80813 except for the diameter.

8082 Key Mortise Punch
5/16" or 3/8" hardened, t-Type, specify pin diameter