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OSG Extension Tap: M5x0.8 Metric, D4 / 4H-6H, 3 Flute - Spiral-Flute Extension Taps for Multiple Materials
OSGSpiral-Flute Extension Taps for Multiple Materials

OSG Extension Tap: M5x0.8 Metric, D4 / 4H-6H, 3 Flute

The OSG Extension Tap (M5x0.8 Metric, MPN 1652002108) is a spiral-flute extension tap with a D4 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. Designed for threading multiple materials, it is…

SKU 3G-OTH-311699

Brand
OSG
Item
Extension Tap: M5x0.8 Metric, D4 / 4H-6H, 3 Flute
Category
Spiral-Flute Extension Taps for Multiple Materials
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
1652002108
Type
D4 / 4H-6H, Modified Bottoming Chamfer
Flute
3

Technical Documents

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Extension Tap (M5x0.8 Metric, MPN 1652002108) is a spiral-flute extension tap with a D4 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. Designed for threading multiple materials, it is supplied by 3G Electric across 14 industrial departments, with specialist depth in cutting tools and precision threading solutions.

Frequently Asked Questions

What is the OSG Extension Tap M5x0.8 used for?

The OSG Extension Tap M5x0.8 is used for threading blind or deep holes in multiple materials, including steel, stainless steel, and aluminum. Its spiral-flute design evacuates chips upward, making it ideal for automated or manual tapping operations where chip clearance is critical.

What are the specifications of the OSG Extension Tap M5x0.8?

The OSG Extension Tap has a metric M5x0.8 thread size, a D4 / 4H-6H tolerance class, and a modified bottoming chamfer with 3 flutes. The spiral-flute geometry is designed for threading multiple materials, and the extension allows access to recessed areas.

Where to buy the OSG Extension Tap M5x0.8 worldwide?

You can source the OSG Extension Tap M5x0.8 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the tap reaches your facility reliably.

How to select the correct OSG Extension Tap for deep-hole threading?

Select an OSG Extension Tap based on thread size, material, and hole depth. For M5x0.8 threads in blind holes, use a modified bottoming chamfer with spiral flutes. Ensure the tap's tolerance class (e.g., D4 / 4H-6H) matches your required fit. Always match tap coating to workpiece material for best tool life.

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 extension 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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