OSG 3/4"-10 UNC Spiral-Flute STI Tap for Steel & Stainless Steel
The OSG Screw Thread Insert STI Tap is a spiral-flute tap for steel and stainless steel, specified as 3/4"-10 UNC with an H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer (MPN 30204508). 3G Electric interprets…
SKU 3G-OTH-244224
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-flute tap for steel and stainless steel, specified as 3/4"-10 UNC with an H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer (MPN 30204508). 3G Electric interprets this demand and sources the genuine OSG product, supporting your thread-repair operations across 14 industrial departments.
Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG Screw Thread Insert STI Tap cuts internal threads in steel and stainless steel to accept helical wire thread inserts. It is commonly used in automotive, aerospace, and heavy equipment manufacturing to repair or reinforce threaded holes in demanding applications.
What are the specifications of the OSG 30204508 STI Tap?
The OSG 30204508 is a spiral-flute STI tap with 3/4"-10 UNC thread, H3 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is designed for threading steel and stainless steel to accept screw thread inserts. The tap is made by OSG, a leading cutting tool manufacturer.
Where to buy OSG STI Taps worldwide?
3G Electric supplies and delivers OSG STI Taps, including the 30204508 model, to customers worldwide. We handle full logistics and customs clearance, ensuring your order reaches any global destination. Contact us for availability and lead time on this and other OSG tooling.
How to select the correct STI tap size for a thread insert?
To select the correct STI tap, match the tap's thread size and pitch to the insert's nominal thread (e.g., 3/4"-10 UNC). Use an STI-specific tap like OSG's spiral-flute design for steel and stainless steel. Ensure the tap tolerance (H3 / 2B-3B) aligns with the required class of fit for the insert.
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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.
