Types of Taps

Spiral Point Taps are ideal for machine tapping through holes or blind holes with adequate bottom clearance. They are called “Gun Taps” because they shoot the chips ahead of the tap.

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These extension pipe taps produce either NPT or NPTF compliant threads Performance Taper Pipe Taps Performance pipe taps are made from premium particle metal and are longer than standard taper pipe taps.

Spiral flute taps used in brass and tough bronzes normally do not perform well because the small broken chip will not flow up the spiral flute well. Spiral flutes 5° - 20° - For tougher materials such as some stainless, titanium or high nickel alloys, a slower spiral is recommended.

Spiral-Pointed taps, or Machine Taps, were originated to solve the problem of tap breakage in through hole tapping. The Machine Tap shoots chips ahead of the cutting action, thus reducing loading and clogging in the flutes.

Hertel - M4x0.70 Metric Coarse, D4, 4 Flute, Bright Finish, High Speed Steel, Straight Flute Standard Hand Tap - Plug Chamfer, 2-1/8 Inch Overall Length Your Price: $7.06 ea.