Draper Drill Grinding Attachment

Used in conjunction with a standard bench grinder, the attachment gives fast and accurate sharpening of HSS twist drills from 3mm – 19mm or 1/8 – 3/4″ diameters. The diecast body has pre – set notches at 41° (countersink), 49°, 59°, 68° and 88° which cover most tip angle requirements.

 

Angle

Overhang

Usage

88°

29.5mm

Hard materials, thin sheet. Helps to prevent snatching.

68°

Half drill diameter

Small drill for high volume production.

59°

Half drill diameter

General purpose drilling.

49°

Drill diameter

Soft materials, (plastic, wood, lead, copper, light alloy, etc.j

4 I °

As required

Countersinks.

 

    Related products