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OSG Spiral Flute Tap: M4x0.7 Metric, D4 / 4H-6H, 3 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: M4x0.7 Metric, D4 / 4H-6H, 3 Flute

The OSG Spiral Flute Tap (M4x0.7 Metric, MPN 2990600) is a general-purpose spiral-flute tap with a D4 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. This OSG tap is designed for threading metric…

SKU 3G-OTH-231021

Brand
OSG
Item
Spiral Flute Tap: M4x0.7 Metric, D4 / 4H-6H, 3 Flute
Category
General Purpose Spiral-Flute Taps
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Technical Specifications

OSG
Manufacturer Part Number
2990600
Type
D4 / 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 (M4x0.7 Metric, MPN 2990600) is a general-purpose spiral-flute tap with a D4 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. This OSG tap is designed for threading metric holes in a variety of materials.

Frequently Asked Questions

What is OSG spiral flute tap M4x0.7 used for?

OSG spiral flute taps are designed for threading blind holes in materials like steel and aluminum. The M4x0.7 metric size with modified bottoming chamfer allows threading close to the hole bottom, making it ideal for automotive and general manufacturing applications where chip evacuation is critical.

What are the specifications of OSG spiral flute tap 2990600?

The OSG spiral flute tap MPN 2990600 has a metric M4x0.7 thread size, D4 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. It is a general purpose tap suitable for threading blind holes in various materials, with OSG's precision ground geometry for consistent performance.

Where to buy OSG spiral flute tap 2990600 in worldwide?

You can source the OSG spiral flute tap 2990600 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine OSG tooling for your threading operations.

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

For blind holes, choose a spiral flute tap like the OSG M4x0.7 with modified bottoming chamfer to thread close to the hole bottom. Ensure the tap's tolerance class (e.g., 4H-6H) matches your thread fit requirement. Use proper cutting fluid and machine speed per OSG recommendations for optimal thread quality.

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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