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GB/T 858-1988 English PDF
GB/T 858-1988_English: PDF (GB/T858-1988)
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GB/T 858-1988
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Tab washers for round nut
GB/T 858-1988
BASIC DATA
Standard ID
GB/T 858-1988 (GB/T858-1988)
Description (Translated English)
Tab washers for round nut
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
J13
Classification of International Standard
21.060.30
Word Count Estimation
3,351
Date of Issue
1988/2/6
Date of Implementation
1989/1/1
Older Standard (superseded by this standard)
GB 858-1976
Quoted Standard
GB 98; GB 1237,
Drafting Organization
Standardization Committee of the National Institute of Industrial Machinery
Administrative Organization
Standardization Committee of the National Institute of Industrial Machinery
Summary
This standard specifies specifications for the 10 ~ 200mm round nut with washers.
GB/T 858-1988 GB National Standard of the People’s Republic of China Replacing GB/T 858-1976 Tab washers for round nut APPROVED ON. JANUARY 26, 1988 IMPLEMENTED ON. JANUARY 1, 1989 Approved by. the State Mechanical Industry Committee Table of Contents 1 Main contents ... 3 2 Quoted standards ... 3 3 Dimensions ... 3 4 Technical conditions ... 5 5 Marking ... 5 Tab washers for round nut 1 Main contents This Standard specifies the tab washers for round nut with specifications of 10 -200 mm1). Note. 1) This is commodity fastener variety, it shall be preferably selected. 2 Quoted standards GB 98 Technical conditions for tab washers GB 1237 Designation system for fasteners 3 Dimensions Dimensions are shown in the following figure and table. mm Specification (large diameter of thread) Reference D1 S h b a 10 10.5 25 16 3.8 12 12.5 28 19 9 14 14.5 32 20 11 16 16.5 34 22 4.8 18 18.5 35 24 20 20.5 38 27 17 22 22.5 42 30 19 Note. 1) Only for locking device of rolling bearing. 4 Technical conditions It shall be according to GB 98. 5 Marking 5.1 Marking method shall be according to the provisions of GB 1237. 5.2 Marking example. Marking example of tab washer for round nut with specification of 16mm, material of A3, after annealing, and surface oxidation. Washer GB 858 16 Additional explanation. This Standard was proposed by the National Fastener Standardization Technical Committee. This Standard shall be administered by Standardization Institute of State Mechanical Industry Committee. This Standard was drafted by Standardization Institute of State Mechanical Industry Committee.
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