BH GSO ISO 7092:2016
Bahraini Standard
Current Edition
·
Approved on
08 February 2016
·
Plain washers -- Small series -- Product grade A
BH GSO ISO 7092:2016 Files
English
5 Pages
Current Edition
Reference Language
18.76 BHD
BH GSO ISO 7092:2016 Scope
This International Standard specifies the characteristics of small-series, product-grade-A plain washers in the
200 HV and 300 HV hardness classes and of nominal sizes (nominal thread diameters) ranging from 1,6 mm to
36 mm inclusive.
Washers of hardness class 200 HV are suitable for
cheese head screws in property classes up to and including 8.8, or made of stainless steel;
hexagon socket head cap screws in property classes up to and including 8.8, or made of stainless steel;
hexalobular socket head cap screws in property classes up to and including 8.8, or made of stainless steel;
case-hardened thread rolling screws with cheese heads.
Washers of hardness class 300 HV are suitable for
hexagon socket head cap screws in property classes up to and including 10.9;
hexalobular socket head cap screws in property classes up to and including 10.9.
If dimensions other than those listed in this International Standard are required, they should be selected from those
given in ISO 887.
When soft material pieces are clamped, or large clearance holes in the workpiece are used, the user should check
the technical suitability of this type of washer
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