Screw Thread Plug Gauges

1mm to 68mm
ISO Screw thread plug and ring gauges are manufactured to BS 3643-2007 and BS 919: part 3-2007 gauge blanks to BS 1044.
The gauges are manufactured to class 6H (Medium Fit) as standard and comprises a Go gauge member which checks the Major and Effective diameters are not undersize (maximum material condition), at the same time checking the pitch or flank features are to specification. The No Go gauge member checks the Effective diameter is not oversize (minimum material condition).

Single ended gauges are available.
UNC, UNF, BA, BSP, BA, BSW and BSF Thread Gauges can supplied against special order.
• Depth steps
• UKAS Certification


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