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GB/T 858-1988 PDF English

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GB/T 858-1988: Tab washers for round nut
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GB/T 858-198870 Add to Cart Auto, 9 seconds. Tab washers for round nut  

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GB/T 858-1988: Tab washers for round nut

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT858-1988
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. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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