ISO 887:2000
Plain washers for metric bolts, screws and nuts for general purposes — General plan
Plain washers for metric bolts, screws and nuts for general purposes — General plan
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 7
- Дата публикации:
- 8 июня 2000 г.
- Издание:
- ISO IS 887 edition 2 version 1
- ICS:
- 21.060.30
La présente Norme internationale spécifie la gamme complète de dimensions nominales des rondelles plates de grades A et C pour vis et écrous de diamètre nominal de filetage de 1 mm à 150 mm inclus pour usages généraux.La présente Norme internationale n'est pas applicable aux rondelles pour les vis avec rondelle incorporée pour ce qui est des diamètres et des épaisseurs de trous de passage.L'information sur l'emploi des rondelles plates est donnée dans l'annexe A.
Abstract
Overview
ISO 887:2000 - Plain washers for metric bolts, screws and nuts for general purposes - General plan defines the nominal dimensional framework and preferred combinations for plain (flat) washers used with metric bolts, screws and nuts. It covers washers for nominal thread diameters from 1 mm to 150 mm and addresses product grades A and C. The standard provides the general plan (preferred outside diameters, thicknesses and clearance-hole selection rules) and references the appropriate tolerance and product standards.
Key topics and requirements
- Scope: Specifies the full range of nominal dimensions (1 mm to 150 mm) for product-grade A and C plain washers used for general purposes. Not applicable to screw-and-washer assemblies for hole diameters and thicknesses.
- Clearance holes: Clearance hole diameters are chosen in accordance with ISO 273 (clearance-hole series). ISO 887 indicates:
- fine series for product grade A washers with nominal thickness
Технические детали
- Технический комитет
- ISO/TC 2 - Fasteners
- SKU
- ISO 887:2000
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