OSG Screw Thread Insert STI Tap: Spiral Point, 3/4"-16 UNF, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as 3/4"-16 UNF with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30103708). 3G Electric sources this…
SKU 3G-OTH-265481
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 steel and stainless steel, specified as 3/4"-16 UNF with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30103708). 3G Electric sources this genuine OSG tool as part of our industrial supply across 14 departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing and support.
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 steel and stainless steel to accept helical wire thread inserts. It is commonly used in aerospace, automotive, and industrial maintenance applications where stripped or damaged threads must be repaired with a stronger insert.
What are the specifications of the OSG STI Tap 30103708?
The OSG STI Tap 30103708 is a spiral-point tap with a 3/4"-16 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for threading holes in steel and stainless steel before installing screw thread inserts.
Where to buy OSG STI Tap 30103708 worldwide?
3G Electric supplies the OSG STI Tap 30103708 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this spiral-point tap for steel and stainless steel applications.
How to select the correct STI tap size for a thread repair?
Select an STI tap that matches the original thread size and pitch, such as 3/4"-16 UNF. The tap must be marked for screw thread inserts (STI) and have the correct tolerance class, like H3 / 2B-3B. Always verify the insert manufacturer's recommended drill and tap specifications before ordering.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
