OSG Screw Thread Insert STI Tap: Spiral Point, 3/4"-16 UNF, H3 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for threading multiple materials, featuring a 3/4"-16 UNF thread size, H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer (MPN 31403401). 3G Electric…
SKU 3G-OTH-284631
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 threading multiple materials, featuring a 3/4"-16 UNF thread size, H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer (MPN 31403401). 3G Electric interprets this demand and sources the genuine OSG product, providing specialist support across 14 industrial departments.
Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
The OSG Screw Thread Insert STI Tap is used to cut internal threads in multiple materials for installing screw thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where strong, replaceable threads are required in softer base materials.
What are the specifications of the OSG STI Tap 31403401?
The OSG STI Tap has a UNF thread size of 3/4"-16, a tolerance of H3 / 2B-3B, 4 flutes, and a plug chamfer. It features a spiral-point design for efficient chip evacuation. The manufacturer part number is 31403401.
Where to buy the OSG STI Tap 31403401 worldwide?
You can source the OSG STI Tap 31403401 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the tap reaches your facility reliably.
How to select the correct OSG STI tap for a thread insert?
Select an OSG STI tap based on the thread size and pitch of the insert, such as 3/4"-16 UNF. Ensure the tap tolerance matches the required thread class, like H3 / 2B-3B. Use a plug chamfer for through-hole applications and a spiral-point design for chip control.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
