OSG Screw Thread Insert STI Tap: Spiral Point, 7/16"-14 UNC, H4 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap: Spiral Point (SKU 31401708, MPN 31401708) is a spiral-point STI tap for multiple materials, with a 7/16"-14 UNC thread size, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. 3G…
SKU 3G-OTH-284754
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: Spiral Point (SKU 31401708, MPN 31401708) is a spiral-point STI tap for multiple materials, with a 7/16"-14 UNC thread size, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. 3G Electric interprets demand and delivers this genuine industrial cutting tool 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 general manufacturing to repair or reinforce tapped holes in aluminum, steel, and cast iron.
What are the specifications of the OSG 31401708 STI Tap?
The OSG 31401708 is a spiral-point STI tap with UNC thread 7/16"-14, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for through-hole tapping in multiple materials and is manufactured under part number 31401708.
Where to buy OSG STI Taps worldwide?
3G Electric supplies OSG STI Taps worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner, we provide genuine OSG cutting tools like the 31401708 to industrial buyers across 14 departments, including machining and tooling.
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 7/16"-14 UNC. The tap tolerance (e.g., H4 / 2B-3B) must align with the insert manufacturer's recommendation. Always verify the tap's plug chamfer and flute count suit your material and hole type.
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.
