JB/T 8045.5-1999 This standard is a revision of JB/T 8045.5-95 "Drill Sleeve Screws for Machine Tool Fixture Parts and Components". During the revision, only editorial changes were made according to relevant regulations, and the technical content remained unchanged. This standard specifies drill sleeve screws with thread specifications of M5 to M10. This standard was first issued in 1981 as GB 2268-80, first revised to GB/T 2268-91 on April 30, 1991, and adjusted to JB/T 8045.5-95 in April 1996. JB/T 8045.5-1999 Drill Sleeve Screws for Machine Tool Fixture Parts and Components JB/T8045.5-1999 Standard download decompression password: www.bzxz.net
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ICS 25. 080. 01 Standard of the Machinery Industry of the People's Republic of China Parts and units of jigs and fixtures The parts and units of jigs and fixtures1999-08-06 Issued State Machinery Industry Bureau Implementation on 2000-01-01 Standard of the Machinery Industry of the People's Republic of China Parts and units of jigs and fixturesDrill sleeve screw This standard specifies the drill sleeve screws with thread specifications of M5~M10. 2 Referenced standards JB/T8045.5—1999 Replaces JB/T8045.5—1995 The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised. Parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T699-1988 Technical conditions for high-quality carbon structural steel JB/T8044-1999 Technical requirements for machine tool fixture parts and components 3 Dimensions The dimensions are shown in the following figure and table. Approved by the State Machinery Industry Bureau on August 6, 1999 266 www.bzxz.net Implemented on January 1, 2000 Basic dimensions 4, Technical conditions Limit deviation JB/T8045.5-1999 Basic dimensions 4.1 Material: 45 steel in accordance with the provisions of GB/T699. 4.2 Heat treatment: 35~40HRC. 4.3 Other technical conditions in accordance with the provisions of JB/T8044. 5 Marking 5.1 Marking example: d=M10, L,=13mm drill sleeve screw: screw M10×13JB/T8045.5—1999 limit deviation d11 drill sleeve inner diameter >6 -12 >t2~30 >30 ~85 Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.