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2012
English
Fasteners, Hydraulic Connectors, Hose Fittings and Tube Assemblies — Specification for Zinc-Nickel Electroplated Coating Requirements
1.1 JDM F21 specifies the requirements for electroplated zinc nickel coating for fasteners (see note 1) or hydraulic connectors and hose fittings made of steel or of copper alloy. JDM F21 specifies coating thicknesses and other coating requirements, and gives recommendations for hydrogen […]
1983
English
Countersunk head screws – Head configuration and gauging
This International Standard specifies the Characteristics of head configurations of slotted and recessed countersunk head screws, and recommends a gauging method for the head dimensions laid down in the respective product standards.
1990
English
Designation system for fasteners
This standard specifies a system of designation for bolts, screws, studs and nuts (‘fasteners’, for short), and also gives supplementary order designations for special features and finishes of such fasteners (e.g type of thread, thread end, slotting of bolt head or nut, hardness). Where n […]
2008
English
ALLOY STEEL SOCKET-HEAD CAP SCREWS
1.1 This specification covers the requirements for quenched and tempered alloy steel hexagon socket-head cap screws, 0.060 through 4 in. in diameter where high strength is required. 1.2 The values stated in inch-pound units are to be regarded as standard. No other units of measurement ar […]