RUKO SCE-DIN22568-HSS-60°-nro 4 NPT putkikierretappi 1/4"

Machinists and pipe fitters use this RUKO pipe tap to cut 1/4 inch NPT internal threads in steel, stainless steel, cast iron, and non-ferrous metals. The tap features a 60° thread flank angle, 1:16 taper, and straight flutes for efficient chip evacuation.

Key specifications

• Thread standard: NPT (National Pipe Taper)
• Thread size: 1/4 inch
• Material: HSS-E (High-Speed Steel with Cobalt)
• Manufacturing standard: DIN 22568
• Thread flank angle: 60°
• Thread taper: 1:16
• Cutting direction: Right-hand cut
• Flute type: Straight flute
• Number of flutes: 4
• Shank type: Square drive
• Surface treatment: Bright (uncoated)
• Overall length: 60 mm
• Thread length: 22 mm
• Shank diameter: 11 mm
• Square drive size: 9 mm

Why choose it

HSS-E cobalt steel provides high wear resistance and heat tolerance for demanding threading operations. The square drive shank ensures secure torque transfer in tap wrenches.

Ideal use cases

• Producing NPT pipe threads in metalworking and plumbing applications
• Threading holes for pipe fittings in steel, stainless steel, cast iron, and non-ferrous metals

Good to know

The tap is designed for through-hole or blind-hole threading with proper chip management. Use appropriate cutting fluid for best results.