UNEF Bottoming HSS Tap - 3038-5/8B by Bordo Safety Made with a heavily folded

Made with a heavily folded brass back roll marked with “Pax 1776 Sheffield England”

M7-MA831M58

thick aluminium profile

For safe and error-free sanding without the need for reworking

UNEF Bottoming HSS Tap - 3038-5/8B by Bordo Safety Made with a heavily folded5 8" x 24 UNEF Bottoming HSS Tap HSS UNEF Bottoming Hand and Machine Tap. Unified National Extra Fine is a subset of UNF in which the thread forms feature a greater number of TPI than the standard UNF series. The thread profile of UNEF is the same as for metric threads and is described in the JIS B0206 standard. The thread is described by its major diameter and the number of threads per inch of length (TPI). When used on external threads this series