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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Long series <strong>straight</strong> <strong>shank</strong> <strong>drills</strong><br />
<strong>DIN</strong> 340<br />
Range of application<br />
Manufacturing specifications<br />
HSS<br />
Article no. 81340<br />
Article no. 84423<br />
Article no. 84506<br />
Type FN<br />
T<br />
F<br />
R<br />
R<br />
R<br />
A robust tool for drilling deeper holes in<br />
difficult conditions such as when swarf<br />
congestion prevents an adequate flow of<br />
coolant from reaching the drill point. For<br />
use in steel and cast iron having a hardness<br />
of up to 1000 N/mm 2 .<br />
Not recommended for nickel-chrome<br />
steels, VA-steels, or similar materials.<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: considerably greater<br />
than standard<br />
Web taper: none<br />
Flute form: very wide flutes <strong>with</strong><br />
„rolled-off“ heels<br />
Toleranz on Ø: h8<br />
Other manufacturing specifications to<br />
<strong>DIN</strong> 1414<br />
HSS-E<br />
Article no. 81341<br />
Type FN<br />
R<br />
High heat resistant drill <strong>with</strong> wide chip<br />
space for use <strong>with</strong> drill bushings.<br />
Suitable for drilling alloyed and unalloyed<br />
steels and castings <strong>with</strong> a tensile<br />
strength over 800 N/mm 2 .<br />
Particularly suitable for drilling hot and<br />
cold-rolled steels, antifriction bearing<br />
steels, high alloyed steels as well as<br />
case hardening and heat-treatable<br />
steels.<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: considerably greater<br />
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. 81361<br />
Type S<br />
R<br />
Extra rigid high heat resistant drill for use<br />
<strong>with</strong> drill bushings. Preferential application<br />
in titanium and titanium alloys, stainless<br />
steels, acid and heat resisting<br />
austenitic steels. Also suitable for high<br />
tensile strength steels for approx.<br />
900 N/mm 2 forming short chips (antifriction<br />
bearing steel) <strong>with</strong> shallow drilling<br />
depths up to c. 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 thinnend: special web thinned<br />
Helix angle: 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 />
bright nitrided lands T TiN-coated F FIRE-coated<br />
88
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