UNC Intermediate HSS Tap by Bordo Spanner Set — Geared 4 stage electronic speed control

4 stage electronic speed control to suit a variety of applications

Newly designed vertical crank mechanism reduces vibration

The patent-pending cutting mechanism automatically adjusts diameter to cut copper pipes (OD from ½" to 1-1/8")

ETS 125 REQ Random Orbital Sander

Recommended Tools Electric Fret / Scroll Saw

UNC Intermediate HSS Tap by Bordo Spanner Set — Geared 4 stage electronic speed controlHSS UNC Intermediate Hand and Machine Tap. Unified National Coarse thread form was introduced in 1948 as an attempt to standardise thread forms in the USA, Canada and the UK. The thread profile of UNC 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). This thread series is commonly used in the mass production of bolts, screws