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OSG Screw Thread Insert STI Tap: Spiral Point, M2.5x0.45 Metric, D2 / 4H-6H - Spiral-Point STI Taps for Steel & Stainless Steel
OSGSpiral-Point STI Taps for Steel & Stainless Steel

OSG Screw Thread Insert STI Tap: Spiral Point, M2.5x0.45 Metric, D2 / 4H-6H

The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as M2.5x0.45 Metric with D2 / 4H-6H tolerance and a plug chamfer. It features 2 flutes and is identified by…

SKU 3G-OTH-265479

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Point, M2.5x0.45 Metric, D2 / 4H-6H
Category
Spiral-Point STI Taps for Steel & Stainless Steel
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
34200208
Type
M2.5x0.45 Metric, D2 / 4H-6H, Plug Chamfer
Flute
2

Technical Documents

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Screw Thread Insert STI Tap is a spiral-point tap for steel and stainless steel, specified as M2.5x0.45 Metric with D2 / 4H-6H tolerance and a plug chamfer. It features 2 flutes and is identified by manufacturer part number 34200208.

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 used in aerospace, automotive, and general manufacturing to repair or reinforce stripped threads without replacing the parent component.

What are the specifications of the OSG 34200208 STI Tap?

The OSG 34200208 is a spiral-point STI tap with M2.5x0.45 metric thread, D2 / 4H-6H tolerance, 2-flute design, and plug chamfer. It is made for steel and stainless steel and is identified by manufacturer part number 34200208.

Where to buy OSG STI Taps worldwide?

3G Electric supplies OSG STI Taps worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the OSG 34200208 or other thread repair tooling.

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

Select an STI tap that matches the original thread size and pitch, such as M2.5x0.45. The tap must be marked for screw thread inserts (STI) and have the correct tolerance class (e.g., D2 / 4H-6H) to ensure the insert seats properly. Always verify the parent material hardness.

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-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.

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