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OSG Spiral Flute Tap: M3x0.5 Metric, D3 / 4H-6H, 3 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: M3x0.5 Metric, D3 / 4H-6H, 3 Flute

The OSG Spiral Flute Tap is a general-purpose spiral-flute tap in M3x0.5 Metric size, featuring a D3 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer (MPN 2990400).

SKU 3G-OTH-231094

Brand
OSG
Item
Spiral Flute Tap: M3x0.5 Metric, D3 / 4H-6H, 3 Flute
Category
General Purpose Spiral-Flute Taps
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Technical Specifications

OSG
Manufacturer Part Number
2990400
Type
D3 / 4H-6H, Modified Bottoming Chamfer
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap is a general-purpose spiral-flute tap in M3x0.5 Metric size, featuring a D3 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer (MPN 2990400).

Frequently Asked Questions

What is the OSG Spiral Flute Tap M3x0.5 used for?

The OSG Spiral Flute Tap M3x0.5 is used for threading blind holes in metals, plastics, and composites. Its spiral flute design evacuates chips upward, preventing clogging. It is ideal for general-purpose tapping in automotive, aerospace, and general manufacturing applications where precise M3 threads are required.

What are the specifications of the OSG Spiral Flute Tap 2990400?

The OSG Spiral Flute Tap 2990400 has a metric M3x0.5 thread size, a D3 / 4H-6H tolerance class, and a modified bottoming chamfer. It features 3 flutes and is designed for blind-hole tapping. The manufacturer part number is 2990400, and it is a general-purpose spiral-flute tap.

Where to buy the OSG Spiral Flute Tap 2990400 worldwide?

You can source the OSG Spiral Flute Tap 2990400 worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact 3G Electric for availability and lead time on this OSG tap.

How to select the correct OSG spiral flute tap for blind holes?

To select the correct OSG spiral flute tap for blind holes, match the thread size (e.g., M3x0.5) and tolerance class (e.g., D3 / 4H-6H) to your application. Choose a modified bottoming chamfer for threading close to the hole bottom. Ensure the tap material suits your workpiece—OSG taps are available for steel, aluminum, and stainless steel.

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 general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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