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ISO
ISO 4757:1983

ISO 4757:1983

Cross recesses for screws

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PDF

General Information

Status :

Active

Standard Type : Main

Document No : ISO 4757:1983

Document Year : 1983

Pages : 9

Edition : 1

Section Volume : Fasteners with non-metric thread (ISO/TC 2/SC 13.)

ICS : Bolts, screws, studs (21.060.10)

Defines the type H and type Z; dimensions are illustrated by figures; tabulates gauge dimensions from No. 0 up to and including No. 4; includes a method of penetration gauging for both types.