Types of drills sharpening
Type N
Conical lip reliefe, DIN 1412 form N.
Type C
Conical lip reliefe, split point, DIN 1412 form C.
Type A
Conical lip reliefe, split point, DIN 1412 form A.
Type E
Point angle 180° with centre point, DIN 1412 form E.
Conical lip reliefe, DIN 1412 form N.
Conical lip reliefe, split point, DIN 1412 form C.
Conical lip reliefe, split point, DIN 1412 form A.
Point angle 180° with centre point, DIN 1412 form E.