OSG Screw Thread Insert STI Tap: Spiral Point, 1/4"-28 UNC, H2 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for threading multiple materials. This 1/4"-28 UNC tap features an H2 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 1715408). 3G Electric…
SKU 3G-OTH-284662
Local availability & support — the Philippines
- Delivery
- 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
- Payment
- Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
- Ships to
- Manila, Quezon City, Cebu, Davao, Batangas
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Product Description
The OSG Screw Thread Insert STI Tap is a spiral-point tap designed for threading multiple materials. This 1/4"-28 UNC tap features an H2 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 1715408). 3G Electric interprets your demand and sources this genuine OSG tool, backed by specialist expertise across 14 industrial departments.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
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 multiple materials to accept helical wire thread inserts. It is commonly used in aerospace, automotive, and general manufacturing to repair or reinforce tapped holes in aluminum, steel, and cast iron.
What are the specifications of the OSG STI Tap 1/4"-28 UNC?
This OSG STI Tap has a 1/4"-28 UNC thread size, H2 / 2B-3B tolerance, 3 flutes, and a spiral-point plug chamfer. The spiral-point design pushes chips forward, making it suitable for through-hole tapping in multiple materials. Manufacturer part number is 1715408.
Where to buy OSG STI Taps worldwide?
3G Electric supplies and delivers OSG STI Taps worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this OSG 1/4"-28 UNC spiral-point tap.
How to select the correct STI tap size for thread inserts?
Select an STI tap that matches the thread insert's nominal size and pitch, such as 1/4"-28 UNC. The tap must have STI (Screw Thread Insert) designation to cut the oversized hole required for the insert. Always verify the insert manufacturer's recommended drill and tap specifications.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point sti taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
