Somta Series 528 HSSE V Spiral Flute Tap BSW 3 16" (Standard) Testite Mechanical Wing Nut Pipe Plug 100 mm expanding bung RWN4 ✔ Ideal for Blind Holes 1 2 & 3 4″ Heavy Duty Block and Pin Flaring Tool ✔ Ideal for Blind Holes – Spiral flute design effectively evacuates chips The 50mm Tungsten Carbide Tipped (TCT) Annular Cutter is the ideal choice for cutting mild steel and challenging materials such as stainless steel and Bisalloy The Somta Series 528 HSSE V Spiral Flute Tap BSW 3 16" is a high performance machine tap designed specifically for blind hole applications ✅ Optimized for Blind Hole Applications – Ensures efficient swarf evacuation for smooth and precise threading