This standard specifies requirements for product grade C washers with a larger outside diameter. Such washers may be provided with a round hole (type R) for M5 to M52 bolts or a square hole (type V) for M5 to M22 bolts. The preferred application of these washers is in bolt/nut assemblies for use ...

This Japanese Industrial Standard specifies tolerance system for metric trapezoidal screw threads specified in JIS B 0216 . The tolerance system of this standard does not apply to trapezoidal screw threads with special requirements for axial displacement.

Serrated lock washers as specified in this standard are intended tor use with screw and washer assemblies as specified in DIN 6900 Part 4. Serrated lock washers are mainly designed to provide electric contact between components coated with varnish, anti-corrosive agents or similar materials, by t...

Normally these screws are made in the sizes for which weight details are given. If the screws are to be supplied with captive washer components, the designation must be augmented according to DIN 6900. Recesses and recess penetration gauges according to DIN 7962.

This Japanese Industrial Standard specifies the steel square head bolts for general use (hereafter, referred to as "bolts"). Further, the strength class column II (4T) of mechanical properties specified in this Standard will be abolished on April 1, 1999.

1.1 .1 This standard covers the dimensions, physical properties, and methods of testing for helical spring and tooth lock washers. 1.1.2 The inclusion of dimensional data in this standard is not intended to imply that all products described are stock production items. Consumers should consult wi...