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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. 81310<br />

Article no. 81315<br />

Article no. 84418<br />

Type N<br />

T<br />

R<br />

L<br />

R<br />

Long series drill for the drilling of deeper<br />

holes and for use <strong>with</strong> drill bushings.<br />

Suitable for machining alloyed and nonalloyed<br />

steel and cast steel, cast iron,<br />

malleable cast iron, spheroidal cast iron,<br />

German silver and 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: greater than standard<br />

Flute form: standard<br />

Tolerance on Ø: h8<br />

Other manufacturing specifications to<br />

<strong>DIN</strong> 1414<br />

HSS-E<br />

Article no. 81311<br />

Type N<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 steel, high<br />

alloyed steels as well as case hardening<br />

and heat treatable steels.<br />

Point grinding: relieved cone<br />

Point angle: 118˚<br />

Web thinned: > 2,36 mm to<br />

<strong>DIN</strong> 1412, form A<br />

Helix angle: standard<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 />

83

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