OSG Screw Thread Insert STI Tap: Spiral Fute, 5/16"-24 UNF, H2 / 2B-3B

An OSG Screw Thread Insert STI Tap is used to cut internal threads in steel and stainless steel for installing helical wire thread inserts. It is commonly applied in aerospace, automotive, and industrial maintenance to repair or reinforce stripped threads without replacing the parent component.

The OSG STI Tap 1714501 has a thread size of 5/16"-24 UNF, a spiral-flute design for chip evacuation, and 3 flutes. It is ground to H2 / 2B-3B tolerance class, making it suitable for producing threads that accept standard STI inserts in steel and stainless steel workpieces.

You can source OSG STI Taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG 1714501 or other thread insert taps.

To select the correct OSG STI Tap, match the tap thread size and pitch to the insert you plan to install. For steel or stainless steel, choose a spiral-flute design like the 1714501 for chip evacuation. Verify the tolerance class (e.g., H2 / 2B-3B) ensures proper fit with the insert.