BSW BSF 919 Part 2
BSP ISO 228
ANTP 6 Step Plain Plug MIL-P-7105B
NPTF Thread Gauge
Ring & Plug Gages manufactured to ANSI B1.20.5 specifications
NPT Pipe Thread Gauge
Ring & Plug Gages manufactured to ANSI B1.20.1 specifications
Thread Gauging
Ring & Plug Gages manufactured to ANSI B1.20.5 specifications
Ring & Plug Gages manufactured to ANSI B1.20.1 specifications