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GB/T 858-1988 PDF English
Search result: GB/T 858-1988_English: PDF (GB/T858-1988)
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Tab washers for round nut
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GB/T 858-1988
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GB/T 858-1988
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GB/T 858-1988: PDF in English (GBT 858-1988)
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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Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.