Somta Series 581 - HSS Straight Flute Parallel Pipe Taper (First Tap) NPS 1/4" x 18 TPI

Somta Series 581 – NPS 1/4" x 18 TPI Taper Tap The Somta Series 581 is a precision-ground HSS National Pipe Straight (NPS) taper tap designed for accurate and reliable parallel thread production in pipe fittings and fluid system components. Suitable for general hand tapping, this tap delivers a consistent thread profile for non-sealing pipe applications. Key Features & Benefits Thread Size: NPS 1/4" x 18 TPI Material: High-Speed Steel (HSS) for superior strength and wear resistance Flute Type: Straight flute for effective chip removal Thread Form: 60° flank angle per ASME B1.20.1 Cutting Direction: Right-hand cutting Application: Pipe fittings and fluid system components Technical Specifications Series: 581 Thread Size: NPS 1/4" x 18 TPI Standard: ASME B1.20.1 Type: Taper (First Tap) Flute Type: Straight Material: HSS (High-Speed Steel) Cut Direction: Right Hand Country of Origin: South Africa Somta is a South African manufacturer of precision cutting tools, recognised globally for consistent quality and performance. Their HSS tap range is a trusted choice for professional machinists and workshop engineers across industrial and general engineering applications.