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ISO 723:1991

Rock drilling equipment — Forged collared shanks and corresponding chuck bushings for hollow hexagonal drill steels

Standard Details

Specifies the dimensions of both forged collared shanks and corresponding chuck bushings. Values are given for five nominal sizes. This second edition cancels and replaces the first edition (1974), which has been technically revised (extension of the range of sizes and specification of the size of the internal diameter at the forged collar).

General Information

Status : Published
Standard Type: Main
Document No: ISO 723:1991
Document Year: 1991
Pages: 3
Edition: 2
  • ICS:
  • 73.100.30 Equipment for drilling and mine excavation

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ISO 723:1991

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