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2003
English
Fasteners — Ends of parts with external ISO metric thread
This Standard specifies the form and dimensions of ends of parts with external ISO metric screw thread (e.g., bolt and screw ends) recommended for use. They apply to standardized or non-standardized threaded parts if they are specified at the time of order. For each end type a symbol is specifie...
2002
English
UNIFIED INCH SCREW THREADS (UN AND UNR THREAD FORM)
This standard specifies the thread form, series, class, allowance, tolerance, and designation for Unified screw threads. (In order to emphasize that Unified screw threads are based on inch modules, they may be denoted Unified inch screw threads.) Several variations in thread form have been develo...
1973
English
Helical Springs Made of Round Wire – Quality Specifications for Cold Coiled Compression Springs
This Standard applies to helical compression springs made of spring-hard round wire which, after cold coiling, are subjected only to tempering to relieve residual stresses. Cold coiled compression springs can be made with wire up to about 17 mm diameter. In the range from 10 to 17 mm wire diamete...
2004
English
Standard Specification for Steel Bars, Alloy, Hot-Wrought or Cold-Finished, Quenched and Tempered
1.1 This specification covers hot-wrought and cold-finished quenched and tempered alloy steel bars. 1.2 Hot-wrought bars are available in three strength level classes designated BB, BC, and BD, and cold-finished bars in two strength level classes designated BB and BC. The bars are available in th...
1986
English
Slotted round nuts
Slotted round nuts are parts generally made of steel, stainless steel or non-ferrous metals, which are designed to be used for various purposes, as for instance in electrical engineering.They can be tightened by means of a slotted screwdriver as specified in DIN 3115 Parts 1 and 2 and are intende...