OSG Screw Thread Insert STI Tap: Spiral Point, 1/2"-20 UNF, H3 / 2B-3B, 3 Flute
The OSG Screw Thread Insert STI Tap is a spiral-point tap for multiple materials, specified as 1/2"-20 UNF with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 31402208). 3G Electric interprets this demand…
SKU 3G-OTH-284642
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 multiple materials, specified as 1/2"-20 UNF with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 31402208). 3G Electric interprets this demand and sources the genuine OSG product, supporting your thread-insert tapping needs 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 31402208 STI Tap?
The OSG 31402208 is a spiral-point STI tap with 1/2"-20 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for through-hole threading in multiple materials and produces threads that accept standard screw thread inserts.
Where to buy OSG STI Taps worldwide?
3G Electric supplies OSG STI Taps like the 31402208 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this spiral-point tap for multiple materials.
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 1/2"-20 UNF. The tap tolerance (e.g., H3 / 2B-3B) must align with the insert manufacturer's recommendation. OSG taps are designed for multiple materials and provide consistent thread class.
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.
