OSG Screw Thread Insert STI Tap: Spiral Point, 3/4"-16 UNF, H4 / 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 H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30103808). 3G Electric interprets this…
SKU 3G-OTH-265455
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 H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30103808). 3G Electric interprets this demand and sources the genuine OSG tool, backed by specialist expertise across 14 industrial departments.
Frequently Asked Questions
What is the OSG Screw Thread Insert STI Tap used for?
This OSG spiral-point STI tap is designed for cutting internal threads in steel and stainless steel before installing screw thread inserts. It is commonly used in automotive, aerospace, and general manufacturing applications where thread repair or reinforcement is required.
What are the specifications of the OSG 30103808 STI tap?
The OSG 30103808 is a 3/4"-16 UNF spiral-point STI tap with a H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for threading holes that will accept screw thread inserts in steel and stainless steel materials.
Where to buy OSG STI taps in worldwide?
3G Electric supplies OSG STI taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG 30103808 tap.
How to select the correct STI tap size for a thread insert?
Select an STI tap that matches the thread size and pitch of the insert, such as 3/4"-16 UNF. The tap tolerance (H4 / 2B-3B) must align with the insert's class. OSG taps are designed for steel and stainless steel; always verify material compatibility before use.
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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.
