OSG Screw Thread Insert STI Tap: Spiral Point, 1"-12 UNF, H6, 4 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for multiple materials, specified as 1"-12 UNF, H6, with a 4-flute plug chamfer (MPN 31404308). 3G Electric interprets this demand and sources genuine…
SKU 3G-OTH-284714
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
The OSG Screw Thread Insert STI Tap is a spiral-point tap for multiple materials, specified as 1"-12 UNF, H6, with a 4-flute plug chamfer (MPN 31404308). 3G Electric interprets this demand and sources genuine industrial equipment across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.
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 multiple materials to accept helical wire thread inserts. It is commonly used in aerospace, automotive, and industrial maintenance to repair or reinforce tapped holes in aluminum, steel, and cast iron.
What are the specifications of the OSG STI Tap 1"-12 UNF?
This OSG STI Tap has a 1"-12 UNF thread size, H6 tolerance, 4 flutes, and a plug chamfer. It is a spiral-point design for through-hole threading. The manufacturer part number is 31404308.
Where to buy OSG STI Tap 1"-12 UNF worldwide?
3G Electric supplies and delivers the OSG STI Tap 1"-12 UNF worldwide. We handle full logistics and customs clearance for global orders. Contact us for availability and lead time on this spiral-point tap for multiple materials.
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"-12 UNF. The tap must have STI marking and the correct tolerance (e.g., H6) to ensure the insert fits properly. Always verify the insert manufacturer's recommended tap drill size.
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.
