OSG #10-32 UNF Thread-Forming STI Tap, H4 / 2B-3B, Modified Bottoming Chamfer

An OSG Screw Thread Insert STI Tap is used to form internal threads in a workpiece before installing a helical coil thread insert. It is commonly applied in aerospace, automotive, and general manufacturing where strong, wear-resistant threads are required in softer materials like aluminum or cast iron.

This OSG STI Tap is a thread-forming tap for #10-32 UNF screw thread inserts. It has a thread class of H4 / 2B-3B and a modified bottoming chamfer. The manufacturer part number is 1626001808. It is designed to produce threads that accept standard helical coil inserts.

You can source the OSG STI Tap #10-32 UNF from 3G Electric, which supplies genuine industrial tooling worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this and other OSG taps.

To select the correct STI tap, match the tap's thread size and pitch to the insert's specifications. For example, this OSG tap is for #10-32 UNF inserts. Use a thread-forming tap for ductile materials to avoid chip problems. Always verify the thread class (e.g., H4 / 2B-3B) matches your required fit.