ISO 721:1991

Current Revision
Rock drilling equipment -- Integral stems

Best Price Guarantee Jan 15, 1991 English 1 Pages

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ISO 721:1991

Rock drilling equipment -- Integral stems

PUBLISH DATE 1991
ISO 721:1991

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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