OSG Screw Thread Insert STI Tap: Spiral Point, 3/8"-24 UNF, H2 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 30101508) is a spiral-point STI tap for steel and stainless steel, with a 3/8"-24 UNF thread, H2 / 2B-3B tolerance, 3 flutes, and a plug chamfer. 3G Electric…
SKU 3G-OTH-265434
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: Spiral Point (MPN 30101508) is a spiral-point STI tap for steel and stainless steel, with a 3/8"-24 UNF thread, H2 / 2B-3B tolerance, 3 flutes, and a plug chamfer. 3G Electric interprets your demand for this OEM-specified tool, sourcing it across our 14 industrial departments with specialist depth in cutting tools and controls.
Frequently Asked Questions
What is an OSG Screw Thread Insert STI Tap used for?
An OSG Screw Thread Insert STI Tap is used to cut internal threads in steel and stainless steel for installing helical screw thread inserts. It is ideal for repair or reinforcement applications in industrial machinery, automotive, and aerospace components where thread strength is critical.
What are the specifications of the OSG STI Tap 3/8"-24 UNF?
This OSG STI Tap has a 3/8"-24 UNF thread, H2 / 2B-3B tolerance, 3-flute design, and plug chamfer. It is a spiral-point tap for steel and stainless steel, with manufacturer part number 30101508. The spiral point pushes chips forward for through-hole threading.
Where to buy OSG STI Taps worldwide?
3G Electric supplies OSG STI Taps worldwide, including this 3/8"-24 UNF model. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this and other OSG threading tools across our industrial supply network.
How to select the correct STI tap size for a thread insert?
Select an STI tap that matches the thread insert's nominal size and pitch, such as 3/8"-24 UNF. The tap tolerance (e.g., H2 / 2B-3B) must align with the insert's class. Use a plug chamfer for through holes and a bottoming chamfer for blind holes. Always refer to the insert manufacturer's drill size chart.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point 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.
