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

The Insize 100x70mm Machinist Square is a high-precision 45° measuring tool made from hardened stainless steel

100% recyclable

The Haron TSS7 Universal Tap Spanner Kit

Adjustable collars to suit different measuring ranges

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