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MT/T 187.7-1988 English PDF

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MT/T 187.7-1988: (Scraper conveyor fasteners round head square neck bolts)
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MT/T 187.7-1988English119 Add to Cart 2 days [Need to translate] (Scraper conveyor fasteners round head square neck bolts)   MT/T 187.7-1988

PDF similar to MT/T 187.7-1988


Standard similar to MT/T 187.7-1988

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Basic data

Standard ID MT/T 187.7-1988 (MT/T187.7-1988)
Description (Translated English) (Scraper conveyor fasteners round head square neck bolts)
Sector / Industry Coal Industry Standard (Recommended)
Classification of Chinese Standard D93;J13
Classification of International Standard 73.100.99
Word Count Estimation 2,275
Date of Issue 4/13/1988
Date of Implementation 8/1/1988
Quoted Standard MT 187.1
Summary This standard applies to coal mine scraper conveyor or transfer machine used in the semi-circular head square neck bolts (hereinafter referred to as bolts).

MT/T 1:

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Scraper conveyor fasteners round head square neck bolts) Ministry of Coal Industry Standards Confirmed in.2004 Scraper conveyor fasteners Round head square neck bolts 1988-04-13 Approved 1988-08-01 Approved by the Ministry of Coal Industry of the People's Republic of China

Contents

1 Scope of application 1 2 Normative references 1 3 Product Category 1 4 Technical requirements 2 Scraper conveyor fasteners Round head square neck bolts

1 Application

This standard applies to round head square neck bolts (hereinafter referred to as bolts) used in scraper conveyors or transferers of coal mines.

2 Reference standards

MT 187.1 Scraper conveyor fastener bolt technical specifications

3 Product Categories

3.1 The product has two specifications of M12 and M16. 3.2 Type and size are shown in the figure below and Tables 1 and 2. 3.3 Marking example. Coarse-threaded ordinary thread, large diameter 16mm, length 34mm, semi-circular head square neck bolt with mechanical performance according to grade 4.6 Bolt M16 × 34-4.6MT 187.7-88 3.4 Marking description. bolt product name M16 × 34 Specifications -8.8 Performance level MT 187.7-88 Standard code

4 Technical requirements

4.1 The mechanical properties of bolts are not less than grade 4.6. 4.2 The technical conditions of bolts are in accordance with the provisions of MT 187.1. Additional information. This standard was proposed by the Technology Development Department of the Ministry of Coal Industry of the People's Republic of China. This standard is under the jurisdiction of the Taiyuan Branch of the Coal Research Institute. This standard was drafted by Harbin Coal Mine Machinery Research Institute. The main drafters of this standard are Ji An and Cong Peijian. This standard entrusts Taiyuan Branch of Coal Science Research Institute with interpretation.

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