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OSG Spiral Flute Tap: M20x1.5 Metric, D6 / 4H-6H, 4 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: M20x1.5 Metric, D6 / 4H-6H, 4 Flute

The OSG Spiral Flute Tap (M20x1.5 Metric, MPN 2993401) is a general-purpose spiral-flute tap with a D6 / 4H-6H tolerance, 4 flutes, and a modified bottoming chamfer. 3G Electric interprets this demand and sources the…

SKU 3G-OTH-231202

Brand
OSG
Item
Spiral Flute Tap: M20x1.5 Metric, D6 / 4H-6H, 4 Flute
Category
General Purpose Spiral-Flute Taps
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Technical Specifications

OSG
Manufacturer Part Number
2993401
Type
D6 / 4H-6H, Modified Bottoming Chamfer
Flute
4
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap (M20x1.5 Metric, MPN 2993401) is a general-purpose spiral-flute tap with a D6 / 4H-6H tolerance, 4 flutes, and a modified bottoming chamfer. 3G Electric interprets this demand and sources the genuine OSG product, supporting your threading application with specialist expertise across 14 industrial departments.

Frequently Asked Questions

What is an OSG spiral flute tap used for?

An OSG spiral flute tap is used for threading blind holes in materials like steel and aluminum. Its spiral flute design lifts chips upward, preventing clogging and ensuring clean threads. This M20x1.5 metric tap with a modified bottoming chamfer is ideal for general-purpose machining where chip evacuation is critical.

What are the specifications of the OSG spiral flute tap M20x1.5?

This OSG tap has a M20x1.5 metric thread, D6 / 4H-6H tolerance, 4 flutes, and a modified bottoming chamfer. The D6 / 4H-6H designation indicates a ground thread tap for precise thread classes. It is designed for blind hole threading and is suitable for general-purpose applications in industrial machining.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide, handling logistics, customs, and delivery to your location. As a global industrial solutions provider, we source genuine OSG cutting tools like this M20x1.5 spiral flute tap. Contact us for availability and lead time on this and other OSG part numbers.

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

Select an OSG spiral flute tap based on thread size, pitch, and hole type. For blind holes, choose a modified bottoming chamfer like this M20x1.5 tap to thread close to the hole bottom. Match the D6 / 4H-6H tolerance to your required thread fit. Always use proper cutting fluid and speed for the workpiece material.

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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