OSG Screw Thread Insert STI Tap: Spiral Point, 1/4"-28 UNF, H2 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap: Spiral Point (MPN 1713201) is a spiral-point STI tap for steel and stainless steel, with a 1/4"-28 UNF thread, H2 / 2B-3B tolerance, 3-flute design, and plug chamfer. 3G Electric…
SKU 3G-OTH-265392
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: Spiral Point (MPN 1713201) is a spiral-point STI tap for steel and stainless steel, with a 1/4"-28 UNF thread, H2 / 2B-3B tolerance, 3-flute design, and plug chamfer. 3G Electric interprets demand and delivers this genuine industrial tool across 14 departments — with specialist depth in combustion, pumps, and controls as an authorised distributor — ensuring you get the right answer, not just a catalog.
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 stripped threads without replacing the parent component.
What are the specifications of the OSG 1713201 STI Tap?
The OSG 1713201 is a spiral-point STI tap with a 1/4"-28 UNF thread, H2 / 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 workpieces.
Where to buy OSG STI Taps worldwide?
3G Electric supplies OSG STI Taps worldwide, handling full logistics and customs clearance for global delivery. As a sourcing specialist across 14 industrial departments, we provide genuine OSG cutting tools and can quote for any quantity or specification you require.
How to select the correct STI tap size for a thread insert?
Select an STI tap that matches the thread insert's nominal size and pitch, such as 1/4"-28 UNF. The tap tolerance (e.g., H2 / 2B-3B) must align with the insert manufacturer's recommendation. Always verify the tap's plug chamfer and flute count suit the material and hole depth.
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.
