OPTIMA MODEL 939 PRECISION OPTICAL DRILL POINT GRINDER

Range .0135" to 1.000" diamet
er
Point angles 70 degrees to 145
degrees and 145 degrees
to 180 degrees
Primary cutting angle 0 degrees to 40 degrees
Secondary clearance angle 0 degrees to 40 degrees
Grinding wheel diameter 5"
Grinding wheel speed 6800 RPM
Overall dimensions 19.7" x 17.7" x 17.7"
Approximate weight 120 lbs.
Note It will grind right and left hand drills, high speed steel and carb
ide tipped or solid
carbide drills, spade drills, countersinks, center drills of all types, t
wo and three fluted drills
and end mills, taper shank drills no.2 and 3, slow or fast spiral. Up to
3/4" diameter any
length.
Note Replacement cost is approx. $16,000

MOTOR SPECIFICATIONS

.33 HP 110/1/60 motor
Electrical controls