DIN 937
Hexagon thin castle nuts (previous design)
English
1983
0.000
Detailed Information
This standard gives specifications for hexagon thin castle nuts with metric threads ranging from 6 to 52 mm nominal thread diameter, assigned to product grades A (up to and including 16 mm nominal thread diameter) and B (above 18 mm nominal thread diameter).
Download File
(Log in to download spec.)
Check out other specifications
2000
English
Hexagon socket head cap screws
This Standard specifies the characteristics of hexagon socket head cap screws with threads from M1.6 up to and including M64 and product grade A. Gauging of hexagon sockets is specified in Annex A. For approximate masses of screws see Annex B. If, in special cases, specifications other than tho...
1997
English
SALT SPRAY TEST
This standard covers the requirements necessary to attain the conditions found in a neutral salt spray test cabinet. 1.1 The chamber operation is based on ASTM B117 with the following clarifications. 1.2 The salt spray test is better suited for quality control and process control evaluations. Oth...
1987
English
Spring lock washers with square ends or tang ends
Spring lock washers covered in this standard are deemed to be spring washers designed for use with bolt/nut assemblies involving fasteners of property class 5.8 or less, as specified in ISO 898 Part 1. They are intended to counteract the effect of setting which results in bolt/nut assemblies work...
1991
English
Fasteners – Surface discontinuities – Bolts, screws and studs subject to general requirements (ISO 6157-1 : 1988) (English version of DIN EN 26 157 Part 1)
1.1 This part of ISO 6157 establishes limits for various types of surface discontinuities on bolts, screws and studs for general requirements. It applies to bolts, screws and studs with - nominal thread diameters 5 mm and larger; - product grades A and B; - property classes up to and including 1...
1995
English
Cone proof load test on nuts
This Standard specifies the properties of nuts with — nominal thread diameter, d, from 5 mm up to and including 39 mm, — product grades A and B, — property classes 8 to 12, under the conditions of the cone proof load test.
2022
English
Specification for Zinc Flake Coatings for Bolted Joints
1.1 JDM F25 specifies requirements for black color appearance, hexavalent chromium-free zinc flake coatings with a 0.09-0.16 coefficient of friction (CoF) requirement. Two levels of corrosion resistance are available, 240 hour and 960 hour. Note 1 JDM F25 uses black color appearance as a visual i...