This standard covers the recommended clearance hole sizes for #0 through 1.5 inch fasteners in three classes of clearance using a close-, normal-, and loose-fit category.

This standard specifies dimensions and technical delivery conditions for sizes M4 to M72 coarse and fine pitch thread hexagon cap nuts of product grade A.

The following specifications cover requirements for finishes used on Worldwide Standard and Utility Parts. NOTE: Obsolete finish specifications are not shown in this standard. If a finish is referenced that is not shown in this standard, the user should contact the local Fastener Engineer […]

This standard specifies dimensions and technical delivery conditions for studs intended for use mainly in steel. As specified in DIN 267-2, the stud end thread shall be produced to tolerance Sk6 as in DIN 13-51, unless the stud is designated Fo (‘without interference-fit thread’) or Sn4.

Spring-type straight pins (also known as roll pins) to this Standard are pins made of spring steel, rolled from strip and having a slot along their length and one or two chamfers to permit insertion. They are mainly used for connecting two or more parts of an assembly and are suitable for […]

This pan of ISO 3506 specifies the mechanical properties of bolts, screws and studs made of austenitic, martensitic and ferritic grades of corrosion-resistant stainless steels when tested over an ambient temperature range of 15 °C to 25 °C. Properties will vary at higher or lower temperat […]