OSG Screw Thread Insert STI Tap: Spiral Point, 1/4"-28 UNF, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as 1/4"-28 UNF with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 1713301). 3G Electric interprets this…
SKU 3G-OTH-265437
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 for steel and stainless steel, specified as 1/4"-28 UNF with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 1713301). 3G Electric interprets this demand and sources the 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 steel and stainless steel to accept helical wire thread inserts. It is commonly used in aerospace, automotive, and industrial maintenance to repair or reinforce stripped threads without replacing the parent component.
What are the specifications of the OSG STI Tap 1713301?
The OSG STI Tap 1713301 is a spiral-point, plug-chamfer tap for 1/4"-28 UNF threads. It has 3 flutes and a thread-class tolerance of H3 / 2B-3B. It is designed specifically for installing screw thread inserts in steel and stainless steel workpieces.
Where to buy OSG STI Tap 1713301 worldwide?
3G Electric supplies the OSG STI Tap 1713301 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time — we source genuine OSG tooling for industrial maintenance and production applications globally.
How to select the correct STI tap size for a thread repair?
Select an STI tap that matches the original thread size and pitch — for example, 1/4"-28 UNF requires an STI tap marked for that size. The tap tolerance (H3 / 2B-3B) must align with the insert manufacturer's recommendation. Always use the correct drill size specified for the STI tap to ensure proper thread 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.
