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OSG Screw Thread Insert STI Tap: Spiral Fute, M20x2.5 Metric, D5 / 4H-6H - Spiral-Flute STI Taps for Multiple Materials
OSGSpiral-Flute STI Taps for Multiple Materials

OSG Screw Thread Insert STI Tap: Spiral Fute, M20x2.5 Metric, D5 / 4H-6H

The OSG Screw Thread Insert STI Tap: Spiral Flute (MPN 34501308) is a spiral-flute STI tap for multiple materials, with an M20x2.5 Metric thread, D5 / 4H-6H tolerance, and 4 flutes. 3G Electric interprets your demand…

SKU 3G-OTH-281096

Brand
OSG
Item
Screw Thread Insert STI Tap: Spiral Fute, M20x2.5 Metric, D5 / 4H-6H
Category
Spiral-Flute STI Taps for Multiple Materials
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Technical Specifications

OSG
Manufacturer Part Number
34501308
Type
M20x2.5 Metric, D5 / 4H-6H
Flute
4
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Screw Thread Insert STI Tap: Spiral Flute (MPN 34501308) is a spiral-flute STI tap for multiple materials, with an M20x2.5 Metric thread, D5 / 4H-6H tolerance, and 4 flutes. 3G Electric interprets your demand for this OEM-specified tool, sources it across 14 industrial departments, and supports your application with specialist depth in combustion, pumps, and controls.

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 automotive, aerospace, and general manufacturing to repair or reinforce tapped holes in aluminum, steel, and cast iron.

What are the specifications of the OSG STI Tap M20x2.5?

This OSG STI Tap has a metric M20x2.5 thread size with a D5 / 4H-6H tolerance class. It features 4 spiral flutes for efficient chip evacuation and is designed for multiple materials. The manufacturer part number is 34501308.

Where to buy OSG STI Tap M20x2.5 worldwide?

3G Electric supplies and delivers the OSG STI Tap M20x2.5 (MPN 34501308) worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility, wherever you are located.

How to select the correct STI tap size for thread inserts?

To select the correct STI tap, match the tap's thread size and pitch to the insert's nominal thread specification. For example, an M20x2.5 STI tap is used with M20x2.5 inserts. Always verify the insert manufacturer's recommended tap drill size and tolerance class, such as D5 / 4H-6H.

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 multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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