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Jobber drills with straight shank DIN 338

Jobber drills with straight shank DIN 338

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Extra length <strong>straight</strong> <strong>shank</strong> <strong>drills</strong><br />

Works Standard<br />

Range of applications<br />

Manufacturing specifications<br />

HSS<br />

Article no. 81740<br />

Type FN<br />

R<br />

Particularly robust deep hole drill especially<br />

developed for the drilling of extremely<br />

deep holes such as cooling holes<br />

in moulds. Suitable for cast iron and<br />

steel <strong>with</strong> up to 1000 N/mm 2 .<br />

Not recommended for CrNi steels, stainless<br />

steels and 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: smaller than standard<br />

Flute form: very wide flute <strong>with</strong> special<br />

„rolled-off“ heels<br />

Ø-Toleranz: h8<br />

Other manufacturing specifications to<br />

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

6.00...12.00 HSS<br />

#d1#. 81740<br />

36<br />

nom.-Ø<br />

mm<br />

total<br />

length<br />

mm<br />

flute<br />

length<br />

mm<br />

R<br />

FN<br />

6.00 500 400 <br />

8.00 500 400 <br />

10.00 600 500 <br />

11.00 | | ○<br />

12.00 600 500 <br />

105

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