Jobber drills with straight shank DIN 338
Jobber drills with straight shank DIN 338
Jobber drills with straight shank DIN 338
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<strong>Jobber</strong> <strong>drills</strong> <strong>with</strong> <strong>straight</strong> <strong>shank</strong><br />
<strong>DIN</strong> <strong>338</strong><br />
Range of applications<br />
Manufacturing specifications<br />
HSS<br />
Article no. 84405<br />
Type N<br />
T<br />
R<br />
Standard drill for drilling steel and cast<br />
steel, alloyed and unalloyed, grey cast<br />
iron, spheroidal iron, sintered powder<br />
metal, German silver, graphite.<br />
Point grinding: relieved cone<br />
Point angle: 118˚<br />
Web thinned: > Ø 14,00 mm to<br />
<strong>DIN</strong> 1412, form A<br />
Helix angle: standard<br />
Web thickness: standard<br />
Web taper: standard<br />
Flute form: standard<br />
Tolerance on Ø: h8<br />
Other manufacturing specifications to<br />
<strong>DIN</strong> 1414<br />
HSS<br />
Article no. 84415<br />
Type FN<br />
T<br />
R<br />
A robust tool for drilling in difficult conditions<br />
such as when swarf congestion prevents<br />
an adequate flow of coolant. For<br />
use in steel and cast iron having a hardness<br />
of up to 1000 N/mm 2 . Not recommended<br />
for nickel-chrome steels or<br />
similar materials.<br />
Well suited for drilling depths greater<br />
than 3 x D.<br />
Point grinding: relieved cone<br />
Point angle: 130˚<br />
Web thinned: to <strong>DIN</strong> 1412, form A<br />
Helix angle: greater than standard<br />
Web thickness: greater than standard<br />
Web taper: none<br />
Flute form: very wide flutes <strong>with</strong><br />
„rolled-off“ heels<br />
Tolerance on Ø: h8<br />
Other manufacturing specifications to<br />
<strong>DIN</strong> 1414<br />
HSS-E<br />
Article no. 84615<br />
Article no. 84715<br />
Article no. 84800<br />
Type FN<br />
A<br />
C<br />
T<br />
R<br />
R<br />
R<br />
High heat resistant drill <strong>with</strong> wide chip<br />
space. Suitable for drilling alloyed and<br />
unalloyed steels and castings <strong>with</strong> a<br />
tensile strength over 800 N/mm 2 . Particularly<br />
suitable for drilling hot and coldrolled<br />
steels, antifriction bearing steel,<br />
high alloyed steels as well as case<br />
hardening and heat-treatable steels.<br />
Well suited for drilling depths greater<br />
than 3 x D.<br />
Point grinding: relieved cone<br />
Point angle: 130˚<br />
Web thinned: to <strong>DIN</strong> 1412, form A<br />
Helix angle: greater than standard<br />
Web thickness: greater than standard<br />
Web taper: none<br />
Flute form: very wide flutes <strong>with</strong><br />
„rolled-off“ heels<br />
Tolerance on Ø: h8<br />
Other manufacturing specifications to<br />
<strong>DIN</strong> 1414<br />
HSS-E<br />
Article no. 84807<br />
Type S<br />
T<br />
R<br />
Extra rigid, high heat resistant drill <strong>with</strong><br />
large helix angle (35°). Preferential application<br />
in titanium and titanium alloys,<br />
stainless steels, acid and heat resisting<br />
austenitic steels. Also suitable for high<br />
tensile strength steels from approx.<br />
900 N/mm 2 and above, forming short<br />
chips (antifriction bearing steel) <strong>with</strong><br />
shallow drilling depth up to approx. 3 x D.<br />
Limited suitability for special alloys such<br />
as Hastelloy, Inconel, Nimonic etc.<br />
Point grinding: relieved cone<br />
Point angle: 130˚<br />
Web thinned: > Ø 0,95 mm<br />
special web thinned<br />
Helix angle:<br />
greater than standard (35˚)<br />
Web thickness: greater than standard<br />
Web taper: standard<br />
Flute form: standard<br />
Tolerance on Ø: h8<br />
Other manufacturing specifications to<br />
<strong>DIN</strong> 1414<br />
T TiN-coated A TiAlN-coated C TiCN-coated<br />
36
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