Technical Data from British Metrics

Welcome to British Metrics' technical area. Check out these thread charts, washer information sheets, and metric bolt classes. More info is available on request.

• BA Thread Chart
• BSF Thread Chart
• BSW Thread Chart
• BSP Thread Chart
• PG Thread Chart
• European Electrical Threads
• PSI to BAR Chart
• BS4320 Type A Washer
• BS4320 Type B Washer
• BS4320 Type C Washer
• BS4320 Type D Washer
• BS4320 Type E Washer
• British Wrench Sizes
• Metric Bolt Property Classes