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  • 2-11 Aluminum with Silicon less than 12%

2-11 Aluminum with Silicon less than 12%

Aluminium Alloys(with Silcon 12%) and Copper Alloys(Hard Bronze)
Spiral Points for Through Holes
Form B: 4~5 chamfering.
Tolerance: ISO 2-6H
DLC(Diamond) Coating

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Best Art. No. in normal stock: DIN 371: 7450
                                                   DIN376: 7451
                                                   JIS B0251/5
Other Art. No. for Best recommendation: 
DIN371: Internal Coolant: B7450
DIN376: Internal Coolant: B7451
*Please refer to BOSS DIN CATALOGUE for Specification and Technical Data*


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