OSG Spiral Flute Tap: M4x0.7 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. Its spiral design pushes chips upward, preventing clogging and ensuring clean threads. This M4x0.7 metric tap with a modified bottoming chamfer is ideal for through-hole or deep-hole applications.

This OSG tap has a metric thread size of M4x0.7, a D4 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. The MPN is 2990608. It is designed for general-purpose threading in blind holes, with a spiral flute geometry that efficiently evacuates chips.

3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance for international orders. As a global industrial solutions provider, we source genuine OSG cutting tools like the M4x0.7 spiral flute tap (MPN 2990608) and deliver them to your facility, regardless of location.

For blind holes, choose a spiral flute tap like this OSG M4x0.7 model, as its flutes push chips out of the hole. Ensure the chamfer type matches your application: a modified bottoming chamfer allows threading close to the hole bottom. Match the tap tolerance (D4 / 4H-6H) to your thread class requirement.