OSG Screw Thread Insert STI Tap: Spiral Point, 3/8"-16 UNC, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for aluminum, featuring a 3/8"-16 UNC thread size, H3 / 2B-3B tolerance, and a plug chamfer with 3 flutes (MPN 1103601008).
SKU 3G-OTH-250419
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 designed for aluminum, featuring a 3/8"-16 UNC thread size, H3 / 2B-3B tolerance, and a plug chamfer with 3 flutes (MPN 1103601008).
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 aluminum and other materials for installing helical wire thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where strong, wear-resistant threads are required in softer base materials.
What are the specifications of the OSG 3/8"-16 UNC STI Tap?
This OSG STI tap has a 3/8"-16 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a spiral-point design with plug chamfer. It is designed for threading holes that will accept screw thread inserts. The manufacturer part number is 1103601008.
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 this OSG 1103601008 tap.
How to select the correct OSG STI tap for aluminum?
Select an OSG STI tap with spiral-point geometry for aluminum, as it pushes chips forward and reduces clogging. Ensure the tap size matches the insert thread (e.g., 3/8"-16 UNC) and tolerance class (H3 / 2B-3B). Use proper cutting fluid and speed for aluminum to extend tool life.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps for aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
