Гвинти з пласкою потайною головкою (звичайного виду) і хрестоподібним шліцем типу Н або Z. Клас точності А. Частина 1. Гвинти сталеві класу міцності 4,8. Технічні вимоги

(ISO 7046-1:1994, IDT)

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COUNTERSUNK FLAT HEAD SCREWS (COMMON HEAD STYLE)WITH TYPE H OR Z CROSS RECESS, PRODUCT GRADE A
Part 1. Steel of property class 4.8Specification
1 2 ISO 225:1983 Fasteners — Bolts, screws, studs and nuts — Symbols and designations of dimensions
ISO 261:1973 ISO general purpose metric screw threads — General plan
ISO 888:1976 Bolts, screws and studs — Nominal lengths, and thread lengths for general purpose bolts
ISO 898 r 1:1988 Mechanical properties of fasteners — Part 1: Bolts, screws and studs
ISO 965-2:1980 ISO general purpose metric screw threads — Tolerances — Part 2: Limits of sizes for general purpose bolt and nut threads — Medium quality
ISO 3269:1988 Fasteners —Acceptance inspection
ISO 4042:1989 Threaded components — Electroplated coatings

ISO 4757:1983 Cross recesses for screws
ISO 4759-1:1978 Tolerances for fasteners — Part 1: Bolts, screws and nuts with thread diameters between 1,6 (inclusive) and 150 mm (inclusive) and product grades A, ISO 6157-1:1988 Fasteners — Surface discontinuities — Part 1: Bolts, screws and studs for general requirements
ISO 7721:1983 Countersunk head screws — Head configuration and gauging
ISO 7721-2:1990 Countersunk flat head screws — Part 2: Penetration depth of cross recesses
ISO 8992:1986 Fasteners — General requirements for bolts, screws, studs and nuts.
ISO 225:1983 ISO 261:1973 ISO 888:1976 ISO 898-1:1988 ISO 965-2:1980 ISO 3269:1988 ISO 4042:1989 ISO 4757:1983 ISO 4759-1:1978 ISO 6157-1:1988 ISO 7721:1983 ISO 7721-2:1990 ISO 8992:1986

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