Jobber drills with straight shank DIN 338

Metric center drills with flatted body
DIN 333
Range of applications
Manufacturing specifications
HSS
Article no. 83700
Form B
R
Special purpose drill for producing center
holes to DIN 332, sheet 1, form B (with
protecting countersink of 120°). For centering
and cutting-off machines where the
end face is required to be dressed and
centered in the same operation.
S -0,1
~15°
Point grinding: relieved cone
Point angle: 118˚
Web thinned: from Ø 1.60 mm diameter
upw. to DIN 1412 form A
Tolerance on shank-Ø: h7 (to DIN: h9)
on pilot diameter to new standards:
Ø 1.60 - 2.5 = +0.14 mm
Ø 3.15 - 5.0 = +0.18 mm
Ø 6.30 - 10.0 = +0.22 mm
Surface finish: steam tempered flutes
1.60...4.00 HSS
#d1#
HSS
#d1# 83700
#d2# 83700
38
38
R
R
nom.-Ø
mm
shank-Ø
mm
total
length
mm
size
s
mm
form B
nom.-Ø
mm
shank-Ø
mm
total
length
mm
size
s
mm
form B
1.60 6.3 45 5.35
2.00 8.0 50 6.95
2.50 10.0 56 8.40
3.15 11.2 60 10.00
4.00 14.0 67 12.65
8.00 25.0 100 12.65
220
steam tempered flutes