Jobber drills with straight shank DIN 338

Extra length taper shank twist drills
Works Standard
Range of applications
Manufacturing specifications
HSS
Article no. 82466
Article no. 82467
Article no. 82468
Article no. 82469
Type FN
R
R
R
R
A particularly robust deep hole drill
especially developed for the drilling of
extremely deep holes such as cooling
holes in moulds, etc. Suitable for grey
cast iron and steels with a tensile
strength of up to 1000 N/mm2.
Not recommended for CrNi-steels, stainless
steels and similar materials.
Point grinding: relieved cone
Point angle: 130˚
Web thinned: to DIN 1412, form A
Helix angle: greater than standard
Web thickness: considerably greater
than standard
Web taper: smaller than standard
Flute form: very wide flute with special
„rolled-off“ heels
Tolerance on Ø: h8
Other manufacturing specifications to
DIN 1414
8.00...40.00 HSS
. 82466
38
nom.-Ø
mm
Morse
taper
total
length
mm
flute
length
mm
R
FN
*
8.00 1 500 420
8.50 | | | ○
10.00 | | |
11.00 | | |
12.00 | | |
13.00 | | |
14.00 1 | 420
15.00 2 | 400
16.00 | | |
17.00 | | |
18.00 | | |
19.00 | | |
20.00 | | |
21.00 | | |
22.00 2 500 400
134
bright steam tempered nitrided lands