The 1 Hp motor and
easy to use switch
provides the power and
control you need.
Power and Construction
The JET JFM-5 Hollow Chisel Mortiser is equipped with a 1HP, TEFC (totally enclosed fan cooled) motor that delivers smooth, consistent power. The motor comes wired for 110V (11 amp) operation but can be converted to use 230V (5.5 amp) electrical power. The motor produces a (direct drive) spindle speed of 1725 rpm and is controlled by an industrial style push button On/Off switch, mounted on the powerhead for fast, easy access.
The tool-free depth
stop is mounted
close to the line of force so there is no deflection of the bit.
The powerhead has a full 8” stroke (Z-axis) controlled by a rack and pinion drive system that is as durable as it is precise. A 24”-long, solid steel operating arm affords the leverage necessary to cut even large numbers of mortises in the toughest of materials with ease. The arm
attaches to the pinion shaft using a repositionable hub so the arm can be set for the most comfortable stroke regardless of material thickness.
A tool-free depth stop rod is built into the powerhead casting. Because the depth stop is located close to the line of force, deflection of the bit when the stop rod contacts its seat is virtually eliminated. This means a higher level of accuracy, cleaner mortises and extended bit/chisel lives.
Easy Bit Changes
A pair of hinged doors, one on either side of the powerhead provides easy access to the high quality, ½” capacity, key-operated, 3-jaw chuck. An extended chuck key is included that makes installing or removing the auger bits fast and easy. The chuck is designed to be compatible with the common long-shank auger bits. However, a chuck extender is included that allows using short shanked auger bits.
The powerhead housing below the chuck is bored to accept special (included) bushings that accommodate chisels with 5/8”, ¾” and 1 1/8”- diameter shanks. These bushings are compatible with our JET auger/chisel sets in 1/4", 5/16", 3/8", 1/2", and 3/4" sizes. JET auger/chisel sets in the above sizes are available individually or in a set from your favorite JET dealer.
Swing down doors on both sides provide easy access to the chuck for working with the auger bits
