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OSG Screw Thread Insert STI Tap: Spiral Fute, 3/8"-24 UNF, H3 / 2B-3B, 3 Flute - Spiral-Flute STI Taps for Steel & Stainless Steel
OSGSpiral-Flute STI Taps for Steel & Stainless Steel

OSG Screw Thread Insert STI Tap: Spiral Fute, 3/8"-24 UNF, H3 / 2B-3B, 3 Flute

SKU 3G-OTH-244297

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, 3/8"-24 UNF, H3 / 2B-3B, 3 Flute
Category
Spiral-Flute STI Taps for Steel & Stainless Steel
Available to Order
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Technical Specifications

OSG
Manufacturer Part Number
0147101
Type
H3 / 2B-3B, Bottoming Chamfer
Flute
3
UNF
3/8"-24
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

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 for installing helical wire thread inserts. It is commonly used in aerospace, automotive, and industrial maintenance to repair or reinforce tapped holes in demanding applications.

What are the specifications of the OSG STI Tap 3/8"-24 UNF?

This OSG STI Tap has a 3/8"-24 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is designed for spiral-flute tapping in steel and stainless steel. The manufacturer part number is 0147101.

Where to buy OSG STI Taps worldwide?

3G Electric supplies and delivers OSG STI Taps worldwide. We handle full logistics and customs clearance to ensure your order reaches any global destination. Contact us for availability and lead time on this OSG 0147101 tap.

How to select the correct STI tap size for a thread repair?

Select an STI tap that matches the thread size and pitch of the insert you plan to install. For a 3/8"-24 UNF insert, use an OSG STI tap with the same designation. Ensure the tap has the correct chamfer type—bottoming for blind holes, plug for through holes.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts

OSG 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.

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