OSG Screw Thread Insert STI Tap: Spiral Point, 5/8"-11 UNC, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap: Spiral Point (SKU 30103108, MPN 30103108) is a spiral-point STI tap for steel and stainless steel, with a 5/8"-11 UNC thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer…
SKU 3G-OTH-265387
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 (SKU 30103108, MPN 30103108) is a spiral-point STI tap for steel and stainless steel, with a 5/8"-11 UNC thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. 3G Electric interprets this demand and supplies it across 14 industrial departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.
Frequently Asked Questions
What is an OSG spiral-point STI tap used for?
An OSG spiral-point 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 used in aerospace, automotive, and industrial maintenance to repair or strengthen threaded holes.
What are the specifications of the OSG 30103108 STI tap?
The OSG 30103108 is a spiral-point STI tap with 5/8"-11 UNC thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for threading steel and stainless steel to accept screw thread inserts. The H3 pitch diameter tolerance ensures precise fit for insert installation.
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 30103108 spiral-point STI tap.
How to select the correct OSG STI tap for an application?
Select an OSG STI tap based on thread size, pitch, material, and tolerance. For steel or stainless steel, use a spiral-point design like the 30103108 for through holes. Match the tap's H3 / 2B-3B tolerance to the insert's requirements. Always verify the UNC thread size and chamfer type for your hole condition.
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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.
