OSG Screw Thread Insert STI Tap: Spiral Point, 7/16"-20 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 7/16"-20 UNF with H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30102101). 3G Electric interprets this…
SKU 3G-OTH-265400
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 7/16"-20 UNF with H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 30102101). 3G Electric interprets this demand and sources the genuine OSG tool, backed by specialist expertise across 14 industrial 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 steel and stainless steel for installing helical wire thread inserts. It is commonly applied in aerospace, automotive, and industrial maintenance to repair or reinforce threaded holes without replacing larger components.
What are the specifications of the OSG STI Tap 30102101?
The OSG STI Tap 30102101 is a spiral-point, 3-flute plug chamfer tap with thread size 7/16"-20 UNF. It has a tolerance class of H4 for 2B-3B fit. This tap is designed for through-hole threading in steel and stainless steel, ensuring accurate thread insert installation.
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 30102101 tap.
How to select the correct OSG STI Tap for thread inserts?
Select an OSG STI Tap based on the thread insert size and material. For steel and stainless steel, use a spiral-point tap like the 7/16"-20 UNF H4 model. Ensure the tap tolerance matches the required thread class (e.g., 2B-3B). Always follow the insert manufacturer's drilling and tapping guidelines.
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.
