Adapters & Fittings' Thread Information

Thread Charts

Thread Outside Diameter Chart: Download (27kb)
Thread Size Chart: Download (62kb)

Metric Information

BSPP/BSPT Thread Identification Chart: Download (27kb)

Metric compression fittings are available in other sizes and configurations in steel and stainless steel. Please call customer service at 1-800-255-1008 for additional information.

Thread Identification Kit

Tompkins offers 2 Thread Identification Kits, to precisely identify both metric and BSP threads.
For Male Threads
For Female Threads