OSG Screw Thread Insert STI Tap: Thread Forming, #6-32 UNC, H3 / 2B

An OSG Screw Thread Insert STI Tap is used to form internal threads in pre-drilled holes for installing helical wire thread inserts. It is ideal for repairing or reinforcing threads in aluminum, steel, and other materials across machining, automotive, and industrial maintenance applications.

This OSG STI Tap is a thread-forming tap for #6-32 UNC threads with an H3 / 2B tolerance class and a modified bottoming chamfer. The manufacturer part number is 1626000808. It is designed to create threads that accept standard screw thread inserts.

3G Electric supplies OSG STI Taps like the #6-32 UNC model (MPN 1626000808) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site, ensuring you get the right tap for your thread repair or reinforcement application.

To select the correct OSG STI Tap, match the tap's thread size and pitch to the insert you plan to install. For example, a #6-32 UNC tap with H3 tolerance is for standard 6-32 inserts. Always verify the chamfer type—modified bottoming for blind holes—and the material being tapped.