OSG Screw Thread Insert STI Tap: Spiral Point, 1"-12 UNF, H4 / 2B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as 1"-12 UNF with H4 / 2B tolerance, a plug chamfer, and 3 flutes (MPN 30104601). 3G Electric interprets this demand…
SKU 3G-OTH-265378
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
Product Description
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as 1"-12 UNF with H4 / 2B tolerance, a plug chamfer, and 3 flutes (MPN 30104601). 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 to accept screw thread inserts. It is commonly used in aerospace, automotive, and industrial maintenance applications where strong, wear-resistant threads are required.
What are the specifications of the OSG Screw Thread Insert STI Tap?
The OSG STI tap has a 1"-12 UNF thread size, H4/2B tolerance, 3 flutes, and a plug chamfer. It is a spiral-point design optimized for steel and stainless steel. The manufacturer part number is 30104601.
Where to buy the OSG Screw Thread Insert STI Tap worldwide?
You can source the OSG Screw Thread Insert STI Tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your operations.
How to select the correct OSG STI tap for thread inserts?
Select an STI tap based on the insert's thread size and pitch, such as 1"-12 UNF. Ensure the tap tolerance (e.g., H4/2B) matches the required thread class. For steel and stainless steel, a spiral-point design with plug chamfer is recommended for efficient chip evacuation.
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.
