Category

Grinders – Drill Point

Manufacturer

Giddings & Lewis

Model

Winslowmatic 100C

Serial Number

941-0297-93

Sharpening Rate

500 units per hour

Concentricity (TIR)

0.0005

in

0.013

mm

Drill Grind Diameter Minimum

0.0625

in

1.55

mm

Drill Grind Diameter Maximum

1.50

in

38.00

mm

Point Angle Minimum

90 Degrees

Point Angle Maximum

140 Degrees

Supported Grind Geometries

Helical, Wide Web Helical Racon, Bickford, Conventional, Step Drill, Core Drill (3 & 4 Fluted), Taps (2, 3 & 4 straight fluted plug & bottom)

Twist Drill Types Supported

Jobber, taper shank, screw machine, crankshaft and parabolic

Drill Length Maximum

None

Wheel Dressing

Automatic (after a selectable number of drills have been ground)

Grinding Wheel Speed

1800 RPM

Grinding Wheel Diameter

20.00

in

500.00

mm

Condition

Excellent