BS 856:1969

What is BS 856 - Wing nuts specifications about?  

Wing nuts are basically manufactured by three processes, for which the following type designations have been allocated in BS 856: 

• “Type HS” for hot stamped products
• “Type DC” for cast products 
• “Type CF” for cold forged products 

BS 856 specifies requirements for wing nuts having ISO metric, ISO inch (Unified), BSW, BSF and BA screw threads. Special requirements such as nuts threaded with sizes, fits or pitches other than those specified should be clearly set out in any enquiry or order and is the subject of agreement between the manufacturer and the purchaser. 

Who is BS 856 - Wing nuts specifications for? 

BS 856 on wing nuts specifications is useful for: 

• Manufacturers of wing nuts 
• Design engineers 
• Mechanical engineers 
• Organizations that design, build and maintain wing nuts 
• Industries that make use of wing nuts 
• Research and development team 
• Quality control personnel 
• Inspection bodies 

Why should you use BS 856 - Wing nuts specifications?  

Wing nuts are a family of fasteners are designed to hold two or more objects together when used in conjunction with a bolt. Wing nuts have corrosion resistance, simplicity of installation/removal, and a lack of a heat treatment requirement. 

BS 856 provides you with the nominal dimensions for wing nuts. Following dimension specifications provided in BS 856, wing nuts will be cleanly finished, sound and free from fins and sharp edges. Following BS 856, lets you manufacture and supply high-quality wing nuts to your customers. These customers will be able to safely use wing nuts.