Jobber drills with straight shank DIN 338

Metric center drills, extra long
Works Standard
Range of applications
Manufacturing specifications
HSS
Article no. 83110
Form A
R
Standard drill for producing center holes
to DIN 332, sheet 1, form A (without protecting
chamfer). For recessed
centering positions which cannnot be
with standard length center drills.
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 standard:
Ø 1.00 - 2.5 = +0.14 mm
Ø 3.15 = +0.18 mm
Surface finish: steam tempered flutes
1,00...3,15 HSS
#d1# 83110
38
HSS
#d2# 83110
38
R
R
nom.-Ø
mm
shank-Ø
mm
total
length
mm
form A
nom.-Ø
mm
shank-Ø
mm
total
length
mm
form A
1.00 4.00 120
1.60 5.00 |
2.00 6.00 120
2.50 8.00 120
3.15 10.00 120
217