Description
Version:
Roll forged, standard helix angle, core thickness and core taper.
Dimensions to DIN 338.
Robust jobber drill with strengthened core and small chisel point for easy spot drilling and accurate centring of the designated hole. Precision roll forged flutes.
Recommendation:
Maximum drilling depth:
L2 = LC - 1.5 × DC.
Note:
Size 14-20: Shank ? 13 mm with 3 drive flats.
Through-coolant: no
Tolerance nominal ?: h8
Point angle: 118 degrees
Shank: Plain shank
Number of cutting edges Z: 2
recommended maximum drilling depth L2: 10.5 mm
Flute length Lc: 12 mm
Overall length L: 34 mm
Shank ? Ds: 1 mm
Feed f in steel < 750 N/mm2: 0.03 mm/rev.
Roll forged, standard helix angle, core thickness and core taper.
Dimensions to DIN 338.
Robust jobber drill with strengthened core and small chisel point for easy spot drilling and accurate centring of the designated hole. Precision roll forged flutes.
Recommendation:
Maximum drilling depth:
L2 = LC - 1.5 × DC.
Note:
Size 14-20: Shank ? 13 mm with 3 drive flats.
Through-coolant: no
Tolerance nominal ?: h8
Point angle: 118 degrees
Shank: Plain shank
Number of cutting edges Z: 2
recommended maximum drilling depth L2: 10.5 mm
Flute length Lc: 12 mm
Overall length L: 34 mm
Shank ? Ds: 1 mm
Feed f in steel < 750 N/mm2: 0.03 mm/rev.
