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Jobber drills with straight shank DIN 338

Jobber drills with straight shank DIN 338

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Straight <strong>shank</strong> core <strong>drills</strong><br />

<strong>DIN</strong> 344<br />

Range of applications<br />

Manufacturing specifications<br />

HSS<br />

Article no. 86010<br />

Type N<br />

R<br />

Core <strong>drills</strong> are used for enlarging punched,<br />

drilled or cored holes. The<br />

extremely rigid, 3 flute design serves to<br />

correct both the alignment and the<br />

concentricity of existing holes. In<br />

addition, the finish in the hole is<br />

improved, creating, where required, the<br />

best conditions for final reaming.<br />

Point grinding: relieved cone<br />

Point angle: 120˚<br />

Helix angle: normal<br />

Web thickness: normal<br />

Web taper: none<br />

Flute form: normal<br />

Tolerance on Ø: h8<br />

<strong>DIN</strong> 1809 tang<br />

Other manufacturing specifications<br />

<strong>DIN</strong> 2155, part 1<br />

steam tempered<br />

110

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