Active standard | Published: 17/01/1991

ISO 721:1991-ed.2.0

Rock drilling equipment — Integral stems
(Matériel de forage des roches — Fleurets monoblocs)

Available languages: English, French

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 721:1991-ed.2.0

Publication date: 17/01/1991

Pages: 4

Country: International technical standard

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Anotation

Description / Abstract: Specifies the dimensions. The 19 mm hexagonal integral stems with forged collared shank shall comply with the dimensions shown in figure 1 and given in table 1. The 22 mm stems shall comply with the dimensions shown in figure 2 and given in table 2. The 25 mm stems shall comply with the dimensions shown in figure 3 and given in table 3.

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