What is BS 3A 117- Aerospace series about?   
BS 3A 117 provides specifications and dimensions for manufacturing bolts and pan heads.
BS 3A 117 specifies the materials, dimensions, and inspection requirements for corrosion-resisting steel pan head bolts (Unified threads), Strength class 880 MPa, for aircraft.
Who is BS 3A 117- Aerospace series for? 
BS 3A 117 on Aerospace series is useful for: 
- Manufacturers of bolts and Panheads
- Aircraft manufacturers  
- Spacecraft and space products manufacturers  
- Aeronautical engineers  
- Quality control personnel of bolts
Why should you use BS 3A 117- Aerospace series?   
Manufacturing firms that are involved with aircraft flight within and outside the atmosphere.
BS 3A 117 covers all the quality control requirements for bolts and pan heads. It creates a standardized approach for manufacturers of bolts that they need to adhere to if they supply their products for use by the aerospace industry.   
Quality Assurance measurements in BS 3A 117 ensure that the approaches, techniques, methods, and processes designed for the aircraft assembly are implemented correctly. 
By adopting BS 3A 117, manufacturers can demonstrate the reliability of their assembly parts and build trust in their use throughout the aerospace supply chain.  
