Universal boring jig CMT 656
The CMT 656 universal boring jig is used for making boreholes for dowels and confirmat screws. It is made of duralumin and delivered in a set with four pieces of clamps for attaching to the workpiece.
The jig is used in combination with the CMT 400-1 adapter and the series 306 and 307 drill bits (not included) with a diameter of 8 mm (306.080.11). The boreholes have been made with a distance of 32 mm between one another, in compliance with the European regulations for machine production.
For boring holes, an electrical drilling machine or cordless drill may be used. The CMT 656 jig enables the making of holes with a precise distance between one another, and it has detachable end stops included.
It is suitable for work in a workshop or in the field.
The CMT 656 universal boring jig set includes:
⎻ a template made of strong duralumin,
⎻ four clamps (CMT400-3),
⎻ an end stop with an 8 mm pin.
⎻ maximum width of workpiece in one drilling operation: 656 mm;
⎻ for dowels: 8 mm;
⎻ distance between boreholes: 32 mm;
⎻ number of jig boreholes with a diameter of 18 mm: 2 × 20 mm;
⎻ workpiece thickness: 16–40 mm.
Optional accessories (option to buy):
⎻ boring adapter CMT400-1,
⎻ drill bits of type 306 and 307.
Duralumin is a metal which is an alloy of aluminium, copper, magnesium and manganese. It is lightweight, strong and resistant against corrosion.