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OSG Screw Thread Insert STI Tap: Spiral Fute, 1/4"-20 UNC, H2 / 2B-3B - Spiral-Flute STI Taps for Steel & Stainless Steel
OSGSpiral-Flute STI Taps for Steel & Stainless Steel

OSG Screw Thread Insert STI Tap: Spiral Fute, 1/4"-20 UNC, H2 / 2B-3B

OSG Spiral-Flute STI Taps for Steel & Stainless Steel.

SKU 3G-OTH-244204

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, 1/4"-20 UNC, H2 / 2B-3B
Category
Spiral-Flute STI Taps for Steel & Stainless Steel
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
30201001

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

Product Description

OSG Spiral-Flute STI Taps for Steel & Stainless Steel.

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 automotive, aerospace, and general manufacturing to repair or reinforce threaded holes in demanding materials.

What are the specifications of the OSG 30201001 STI Tap?

The OSG 30201001 is a spiral-flute STI tap with thread size 1/4"-20 UNC, 3 flutes, and a thread class of H2 / 2B-3B. It is designed for tapping steel and stainless steel to accept screw thread inserts.

Where to buy OSG STI Taps worldwide?

3G Electric supplies OSG STI Taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine OSG cutting tools to any destination, ensuring compliance and timely delivery.

How to select the correct STI tap for thread inserts?

Select an STI tap with the same thread size and pitch as the insert, such as 1/4"-20 UNC. Use a spiral-flute design for steel and stainless steel to clear chips. Match the thread class (e.g., H2 / 2B-3B) to the insert's tolerance requirements.

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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Cross-referenced by specification & description
OSG Screw Thread Insert STI Tap: Spiral Fute, 1/4"-20 UNC, H2 / 2B-3B, 3 Flute (MPN 30201008)
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OSG Screw Thread Insert STI Tap: Spiral Fute, 1/4"-20 UNC, H3 / 2B-3B, 3 Flute (MPN 30201108)
OSG Screw Thread Insert STI Tap: Spiral Fute, 1/4"-20 UNC, H3 / 2B-3B, 3 Flute (MPN 30201101)
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OSG Screw Thread Insert STI Tap: Spiral Fute, 1/4"-20 UNC, H3 / 2B-3B, 3 Flute (MPN 30201101)
OSG Screw Thread Insert STI Tap: Spiral Fute, 3/8"-24 UNF, H2 / 2B-3B, 3 Flute (MPN 30201701)
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OSG Screw Thread Insert STI Tap: Spiral Fute, 3/8"-24 UNF, H2 / 2B-3B, 3 Flute (MPN 30201701)
OSG Screw Thread Insert STI Tap: Spiral Fute, 3/8"-24 UNF, H2 / 2B-3B, 3 Flute (MPN 30201708)
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OSG Screw Thread Insert STI Tap: Spiral Fute, 3/8"-24 UNF, H2 / 2B-3B, 3 Flute (MPN 30201708)
OSG Screw Thread Insert STI Tap: Spiral Fute, 5/16"-18 UNC, H3 / 2B-3B, 3 Flute (MPN 30201201)
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OSG Screw Thread Insert STI Tap: Spiral Fute, 5/16"-18 UNC, H3 / 2B-3B, 3 Flute (MPN 30201201)

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