1″-12 NF Bright Merlin Spiral Flute Machine Tap

• HSS
• Designed to produce a 2B Class of Fit (UNC/UNF) or 6H Class of Fit (Metric)
• For general purpose applications
• Helix angle of 30°-35° depending on size
• Spiral flute taps are designed for blind hole applications and lift chips out of the hole
• Bright Finish for tapping a wide range of materials but best suited for Non-Ferrous materials such as Aluminum
• The untreated surface on this tap gives lower friction and good chip flow for softer materials