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OSG Spiral Flute Tap: M20x2.5 Metric, D7 / 4H-6H, 4 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: M20x2.5 Metric, D7 / 4H-6H, 4 Flute

The OSG Spiral Flute Tap (M20x2.5 Metric, MPN 1650002508) is a D7 / 4H-6H, 4-flute, modified bottoming chamfer tap designed for threading steel and stainless steel. 3G Electric interprets demand for this precision…

SKU 3G-OTH-218968

Brand
OSG
Item
Spiral Flute Tap: M20x2.5 Metric, D7 / 4H-6H, 4 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1650002508
Type
D7 / 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 (M20x2.5 Metric, MPN 1650002508) is a D7 / 4H-6H, 4-flute, modified bottoming chamfer tap designed for threading steel and stainless steel. 3G Electric interprets demand for this precision tool across 14 industrial departments, with specialist depth in combustion, pumps and controls as an authorised distributor, ensuring the right solution is sourced and supported.

Frequently Asked Questions

What is the OSG spiral flute tap M20x2.5 used for?

The OSG spiral flute tap M20x2.5 is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging in deep or blind holes. The modified bottoming chamfer allows threading close to the hole bottom, making it ideal for automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral flute tap M20x2.5?

This OSG tap has a metric M20x2.5 thread size with a D7 / 4H-6H tolerance class. It features 4 flutes and a modified bottoming chamfer for blind-hole threading. The manufacturer part number is 1650002508. It is designed for threading steel and stainless steel materials in industrial applications.

Where to buy the OSG spiral flute tap M20x2.5 worldwide?

You can source the OSG spiral flute tap M20x2.5 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine OSG cutting tools for your manufacturing needs.

How to select the correct OSG spiral flute tap for steel?

Select an OSG spiral flute tap based on thread size, pitch, and material. For steel and stainless steel, choose a tap with a D7 / 4H-6H tolerance class for precision threads. The modified bottoming chamfer is ideal for blind holes. Ensure the tap matches your hole depth and machine type. Consult OSG's technical data for optimal performance.

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 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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