Somta Series 521 - HSS Straight Flute Short Hand Second (Intermediate) Tap BSW 5/16" x 18 TPI Helicoil Kit 1/2-20 thread repair ; insert tap set ; workshop tool imperial Four depth rods in 25mm

Four depth rods in 25mm increments for versatility

perfectly designed for MT3 internal to MT5 external applications

Adjustable collars to suit different measuring ranges

and fractional readings

Somta Series 521 - HSS Straight Flute Short Hand Second (Intermediate) Tap BSW 5/16" x 18 TPI Helicoil Kit 1/2-20 thread repair ; insert tap set ; workshop tool imperial Four depth rods in 25mmAchieve precise and consistent Whitworth threading with the SOMTA Series 521 HSS BSW Tap 5 16" Intermediate. Designed for general hand tapping, this high speed steel (HSS) tap ensures durability and accuracy, making it ideal for through hole and blind hole applications. Key Features: Thread Size: 5 16" BSW (British Standard Whitworth) Standard: ISO 529 Material: High Speed Steel (HSS) for enhanced strength and wear resistance Thread Form: 55 flank