Somta Series 521 - HSS Straight Flute Short Hand Second (Intermediate) Tap BSW 1-3/4" x 5 TPI 27 x 50mm D.O.C HSS 3/4" Universal Shank Annular Cutter ✔ Thread Size: 1-1/4" BSP-G

✔ Thread Size: 1-1/4" BSP-G (British Standard Pipe - Parallel)✔ Standard: ISO 2284✔ Material: High-Speed Steel (HSS) for superior strength and wear resistance✔ Thread Form: 55° flank angle for precise and secure pipe threading✔ Tolerance Standard: BS 949 1982 Part 3✔ Flute Type: Straight flute for efficient chip evacuation✔ Cutting Direction: Right-hand cutting✔ Application: Suitable for general-purpose pipe tapping across various materials

Insize Radius Gauge Set 17/32"-1/4"

Taper R8 shank

19mm spiral - 27mm drive

Bypass: 1/4

Somta Series 521 - HSS Straight Flute Short Hand Second (Intermediate) Tap BSW 1-3/4" x 5 TPI 27 x 50mm D.O.C HSS 3/4" Universal Shank Annular Cutter ✔ Thread Size: 1-1/4" BSP-GAchieve precise and consistent Whitworth threading with the SOMTA Series 521 HSS BSW Tap 1 3 4" 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: 1 3 4" BSW (British Standard Whitworth) Standard: ISO 529 Material: High Speed Steel (HSS) for enhanced strength and wear resistance Thread Form: 55 flank