OSG Spiral-Flute STI Tap, 1/4"-20 UNC, H3 / 2B-3B, 3 Flute
OSG Spiral-Flute STI Taps for Steel & Stainless Steel. Specifications: Model: 1/4"-20 UNC, H3 / , 3.
SKU 3G-OTH-244405
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.
Need installation or engineering help?
Ask a question
Product Description
OSG Spiral-Flute STI Taps for Steel & Stainless Steel. Specifications: Model: 1/4"-20 UNC, H3 / , 3.
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 wire thread inserts. It is commonly applied in aerospace, automotive, and industrial maintenance to repair or reinforce threaded holes without replacing larger components.
What are the specifications of the OSG 30201108 STI Tap?
The OSG 30201108 is a spiral-flute STI tap with thread size 1/4"-20 UNC, H3 / 2B-3B tolerance, and 3 flutes. It is designed for tapping steel and stainless steel. The spiral flute design helps evacuate chips upward, making it suitable for through-hole applications.
Where to buy OSG STI taps in 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 30201108 spiral-flute STI tap.
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 1/4"-20 UNC. The tap tolerance (e.g., H3 / 2B-3B) must align with the insert's internal thread class. Always refer to the insert manufacturer's recommendations and use a tap designed for the base material, like OSG's spiral-flute taps for steel.
Used in
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.
