OSG Screw Thread Insert STI Tap: Spiral Point, 9/16"-18 UNF, H4 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for multiple materials, featuring a 9/16"-18 UNF thread size, H4 / 2B-3B tolerance, 4 flutes, and a plug chamfer (MPN 31402701).
SKU 3G-OTH-284746
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 for multiple materials, featuring a 9/16"-18 UNF thread size, H4 / 2B-3B tolerance, 4 flutes, and a plug chamfer (MPN 31402701).
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 accepting helical wire thread inserts. 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 31402701?
This OSG STI Tap has a UNF thread size of 9/16"-18, a tolerance of H4 / 2B-3B, 4 flutes, and a plug chamfer. It is a spiral-point design for efficient chip evacuation. The manufacturer part number is 31402701.
Where to buy the OSG STI Tap 31402701 worldwide?
You can source the OSG STI Tap 31402701 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct OSG tap for your threading application.
How to select the correct OSG STI Tap for thread inserts?
Select an OSG STI Tap based on the thread size and tolerance required for your insert. For a 9/16"-18 UNF insert, use this H4 / 2B-3B tap. Ensure the chamfer type (plug) matches your hole depth. Always match the tap to the insert manufacturer's specifications for proper thread fit.
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.
