Jobber drills with straight shank DIN 338

Straight shank subland drills
Works Standard
Step angle 180°
Range of applications
Manufacturing specifications
HSS
Article no. 85216
Type N
R
Standard drill for the production of clearance
holes for screws to DIN 912 and
DIN 6912. For old type screwhead
countersinks, form H, J and K DIN 75,
section 2.
Note: Cutting speed should be selected
according to the large (body) diameter
and feed rate according to the small
(pilot) diameter.
Point grinding: relieved cone
Point angle: 118°
Web thinned: to DIN 1412, form A
Helix angle: standard
Web thickness: standard
Web taper: standard
Flute form: standard
Tolerance on Ø: d1=h9; d2=h8
Step angle: 180°
Other manufacturing specifications to
DIN 1414
5,9...17,5 HSS
#d1# 85216
38
body-Ø
d 2
mm
step-Ø
d 1
mm
total length
l 1
mm
flute length
l 2
mm
step length
l 3
mm
for
threads
5.9 3.2 93 57 11.0 M 3 ○
9.4 5.3 125 81 16.0 M 5
10.0 5.8 133 87 16.0 M 5 ○
11.0 7.0 142 94 19.0 M 6
13.5 8.4 160 108 22.0 M 8
16.5 10.5 184 125 25.0 M 10
17.5 11.5 191 130 25.0 M 10 ○
R
N
180°
d2
d1
l2
l3
118°
l1
208
steam tempered