OSG 30204708 Spiral-Flute STI Tap for Steel & Stainless Steel
The OSG Screw Thread Insert STI Tap (Spiral Flute) is a 3/4"-10 UNC bottoming-chamfer tap with H5 / 2B-3B tolerance and 4 flutes, designed for threading steel and stainless steel. 3G Electric interprets this demand…
SKU 3G-OTH-244359
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Product Description
The OSG Screw Thread Insert STI Tap (Spiral Flute) is a 3/4"-10 UNC bottoming-chamfer tap with H5 / 2B-3B tolerance and 4 flutes, designed for threading steel and stainless steel. 3G Electric interprets this demand and sources the genuine OSG part (MPN 30204708) across 14 industrial departments — with specialist depth in cutting tools and fastening solutions — then quotes and supports your order with accountable expertise.
Frequently Asked Questions
What is an OSG spiral-flute STI tap used for?
An OSG spiral-flute STI tap is used to cut internal threads in steel and stainless steel for screw thread inserts. It creates threads that accept helical coil inserts, commonly applied in aerospace, automotive, and heavy equipment repairs where stripped threads need reinforcement.
What are the specifications of the OSG STI tap 30204708?
The OSG STI tap model 30204708 has a 3/4"-10 UNC thread size, H5 tolerance for 2B-3B class fit, 4 flutes, and a bottoming chamfer. It is a spiral-flute design optimized for steel and stainless steel. The manufacturer part number is 30204708.
Where to buy OSG STI taps worldwide?
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 30204708 tap.
How to select the correct OSG STI tap for a repair job?
To select the correct OSG STI tap, match the thread size and pitch to the insert you plan to use. For steel or stainless steel, choose a spiral-flute design like the 30204708 for chip evacuation. Ensure the tap tolerance (e.g., H5) aligns with the required thread class (2B-3B).
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Common applications for OSGOSG Products
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.
