OSG 31403801 Spiral-Point STI Tap
The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 31403801) is a 7/8"-14 UNF, H3 / 2B-3B, 4-flute, plug-chamfer tap designed for threading multiple materials. 3G Electric interprets this demand and sources the…
SKU 3G-OTH-284630
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 (MPN 31403801) is a 7/8"-14 UNF, H3 / 2B-3B, 4-flute, plug-chamfer tap designed for threading multiple materials. 3G Electric interprets this demand and sources the genuine OSG tool, backed by specialist depth in industrial cutting tools across 14 departments.
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 multiple materials before installing a helical wire thread insert. It is commonly applied in aerospace, automotive, and general manufacturing where thread repair or reinforcement is needed.
What are the specifications of the OSG STI Tap 31403801?
The OSG STI Tap 31403801 is a spiral-point, plug-chamfer tap with a 7/8"-14 UNF thread, H3 / 2B-3B tolerance, and 4 flutes. It is designed for tapping holes that will accept screw thread inserts in multiple materials.
Where to buy OSG STI Taps 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 the OSG 31403801 tap.
How to select the correct OSG STI Tap for thread inserts?
To select the correct OSG STI Tap, match the tap thread size and pitch to the insert's internal thread requirement. For the 31403801, use a 7/8"-14 UNF tap for a 2B-3B class fit. Always verify the insert manufacturer's recommended tap drill size and chamfer 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.
