1/4-20 NC x 4″ Blue Wizard Spiral Point Pulley Tap

• HSS
• Designed to produce a 2B Class of Fit
• Longer Overall Length (4 – 6” depending on size)
• Available as a “Pulley” style where the shank diameter is not reduced or an “Extension” style with reduced shank
• Spiral point forces the chips ahead of the tap – designed for through hole applications
• Suitable for various steels (up to 32Rc) and stainless steel
• Ferrous Oxide surface treatment increases wear resistance, improves chip flow and reduces chip welding
• The Ferrous Oxide surface treatment also enables the tap to absorb the lubricant/cutting fluid