OSG 1/4"-28 UNF Spiral-Flute STI Tap for Steel & Stainless Steel
The OSG Screw Thread Insert STI Tap (MPN 0146208) is a spiral-flute tap for steel and stainless steel, sized 1/4"-28 UNF with a H2 / 2B-3B tolerance and bottoming chamfer. It features 3 flutes and is designed for…
SKU 3G-OTH-244294
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Product Description
The OSG Screw Thread Insert STI Tap (MPN 0146208) is a spiral-flute tap for steel and stainless steel, sized 1/4"-28 UNF with a H2 / 2B-3B tolerance and bottoming chamfer. It features 3 flutes and is designed for threading holes to accept screw thread inserts.
Frequently Asked Questions
What is the OSG 0146208 STI tap used for?
The OSG 0146208 is a spiral-flute STI tap designed for threading screw thread inserts into steel and stainless steel. It creates internal threads that accept helical coil inserts, commonly used in aerospace, automotive, and industrial maintenance for repairing or reinforcing tapped holes in hard materials.
What are the specifications of the OSG 0146208 STI tap?
The OSG 0146208 is a 1/4"-28 UNF spiral-flute STI tap with a bottoming chamfer and 3 flutes. It has an H2 / 2B-3B tolerance class, meaning it produces threads that fit both 2B and 3B classes. It is designed for threading holes that will accept screw thread inserts in steel and stainless steel.
Where to buy the OSG 0146208 STI tap worldwide?
3G Electric supplies the OSG 0146208 STI tap worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this precision threading tool to any country.
How to select the correct STI tap for a repair job?
To select the correct STI tap, match the thread size and pitch (e.g., 1/4"-28 UNF) to the insert you will install. Choose a spiral-flute tap for steel or stainless steel to clear chips. Use a bottoming chamfer for blind holes. The OSG brand offers H2 / 2B-3B tolerance for precise fit. Always verify material compatibility.
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3G Electric supplies OSG spiral-flute sti taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
