OSG Screw Thread Insert STI Tap: Spiral Fute, 1/2"-13 UNC, H4 / 2B-3B, 4 Flute
The OSG Screw Thread Insert STI Tap is a spiral-flute tap designed for steel and stainless steel, featuring a 1/2"-13 UNC thread size, H4 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer (MPN 0147708).
SKU 3G-OTH-244240
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-flute tap designed for steel and stainless steel, featuring a 1/2"-13 UNC thread size, H4 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer (MPN 0147708).
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 the OSG Screw Thread Insert STI Tap used for?
This OSG spiral-flute STI tap is used to cut internal threads in steel and stainless steel for installing screw thread inserts. It is ideal for repair or reinforcement applications where a 1/2"-13 UNC thread is required, such as in automotive, aerospace, and industrial maintenance.
What are the specifications of the OSG STI Tap 0147708?
The OSG STI tap has a 1/2"-13 UNC thread size, H4 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is designed for steel and stainless steel. The spiral-flute design aids chip evacuation in blind-hole threading. Manufacturer part number is 0147708.
Where to buy OSG STI Tap 0147708 worldwide?
3G Electric supplies the OSG STI Tap 0147708 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine OSG taps and support procurement across 14 departments including machining and tooling.
How to select the correct STI tap for a 1/2"-13 UNC insert?
Select an STI tap with the same thread size and pitch as the insert, here 1/2"-13 UNC. Use a bottoming chamfer for blind holes and a spiral-flute design for steel or stainless steel to clear chips. The H4 / 2B-3B tolerance ensures proper fit for the insert. OSG taps are a reliable choice for this application.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG spiral-flute 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.
