OSG Screw Thread Insert STI Tap: Spiral Point, 1/4"-20 UNC, H2 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, sized 1/4"-20 UNC with an H2 / 2B-3B tolerance and plug chamfer. It features 3 flutes and is identified by manufacturer part…
SKU 3G-OTH-265404
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-point tap for steel and stainless steel, sized 1/4"-20 UNC with an H2 / 2B-3B tolerance and plug chamfer. It features 3 flutes and is identified by manufacturer part number 30100708.
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 screw thread inserts. It is commonly applied in aerospace, automotive, and industrial maintenance to repair or reinforce stripped threads, ensuring strong, reusable connections.
What are the specifications of the OSG STI Tap 30100708?
The OSG STI Tap 30100708 is a spiral-point, plug-chamfer tap with 3 flutes, sized 1/4"-20 UNC. It has an H2 / 2B-3B tolerance class, designed for threading steel and stainless steel. The manufacturer part number is 30100708, and it is optimized for screw thread insert installation.
Where to buy OSG STI Taps worldwide?
You can source OSG STI Taps worldwide through 3G Electric, a global industrial equipment distributor since 1990. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG 30100708 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 (e.g., 1/4"-20 UNC) to the insert you plan to install. Use an H2 / 2B-3B tolerance tap for standard fits in steel or stainless steel. Choose a spiral-point design for through-hole threading and a plug chamfer for general applications.
Used in
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.
