OSG Screw Thread Insert STI Tap: Spiral Point, 7/16"-14 UNC, H4 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as 7/16"-14 UNC with H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30101808).
SKU 3G-OTH-265426
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as 7/16"-14 UNC with H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30101808).
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 coil thread inserts. It is used in manufacturing and repair applications where stripped threads need reinforcement or where stronger threads are required in softer materials.
What are the specifications of the OSG STI Tap 30101808?
The OSG STI Tap 30101808 is a spiral-point, plug-chamfer tap for 7/16"-14 UNC threads. It has 3 flutes and a thread tolerance of H4 / 2B-3B. This tap is designed specifically for installing screw thread inserts in steel and stainless steel workpieces.
Where to buy OSG STI Tap 30101808 worldwide?
3G Electric supplies the OSG STI Tap 30101808 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this spiral-point STI tap for steel and stainless steel applications.
How to select the correct STI tap for thread inserts?
Select an STI tap that matches the thread size and pitch of the insert you are installing. For 7/16"-14 UNC inserts, use a tap with H4 / 2B-3B tolerance and a plug chamfer. OSG spiral-point taps are ideal for through-hole applications in steel and stainless steel.
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.
