Somta Series 541 – HSS Bottom Tap UNC 1″ x 8 TPIHSS Bottom Tap UNC 1 x 8 Somta Series 541 The SOMTA 5412543 1 x 8 UNC HSS Bottom Tap is a heavy duty threading tool designed for cutting full depth threads in blind holes. Manufactured from high speed steel (HSS), this bottoming tap features a short chamfer that allows threading close to the hole basemaking it ideal for maintenance, production, and repair tasks requiring high strength UNC threads. It conforms to Unified National Coarse (UNC) thread

Range: 0–150 mm

Easy to use and read gauge set for the accurate measurement of very small gaps

Versatile and Durable – Trusted in metal fabrication

Thread Repair & Protection: Ideal for repairing damaged threads and preventing future wear and stripping

Overall Length: 16-13/16"

Automotive: Perfect for restoring threads in engine components

Here at Wallers Industrial Hardware we provide a great range of Jobber Drill bits to suit all your needs

and a variety of other materials✔ Spring-Loaded Mechanism: Gradually compresses during drilling to provide controlled counterforce to the pilot pin✔ Precision Drilling: Delivers clean holes with minimal burrs and a smooth finish

3203-225A 200-225mm 0

Heat-Resistant up to 800°F guarantees that the repair remains intact even in high-temperature environments

the Hassay Savage 11mm/ 0

Square Size (a): 8 mm