OSG Spiral Flute Tap: M3.5x0.6 Metric, D4 / 4H-6H, 3 Flute

An OSG spiral flute tap is used for threading blind holes in materials such as steel, stainless steel, and aluminum. The spiral flute design lifts chips upward, preventing clogging and ensuring clean threads. This M3.5x0.6 metric tap with a modified bottoming chamfer is ideal for through-hole or near-bottom threading applications.

The OSG 2990500 is a general purpose spiral flute tap with M3.5x0.6 metric thread, D4 / 4H-6H tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for precise threading in blind holes and is suitable for use with steel and non-ferrous materials. 3G Electric supplies this OSG tap worldwide.

3G Electric supplies OSG taps, including the 2990500 spiral flute tap, to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine OSG cutting tools and support your procurement with technical expertise across 14 industrial departments.

For blind holes, choose a spiral flute tap like the OSG 2990500 to evacuate chips upward. Match the tap's thread size (M3.5x0.6), tolerance class (D4 / 4H-6H), and chamfer type (modified bottoming) to your material and hole depth. Use proper cutting fluid and speed to extend tool life. 3G Electric can help you select the correct OSG tap.