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OSG Extension Tap: M5.5x0.5 Metric, D3 / 4H-6H, 3 Flute - Spiral-Flute Extension Taps for Multiple Materials
OSGSpiral-Flute Extension Taps for Multiple Materials

OSG Extension Tap: M5.5x0.5 Metric, D3 / 4H-6H, 3 Flute

The OSG Extension Tap is a spiral-flute tap for multiple materials, with an M5.5x0.5 Metric thread. It features a D3 / 4H-6H tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1652002208).

SKU 3G-OTH-311745

Brand
OSG
Item
Extension Tap: M5.5x0.5 Metric, D3 / 4H-6H, 3 Flute
Category
Spiral-Flute Extension Taps for Multiple Materials
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Technical Specifications

OSG
Manufacturer Part Number
1652002208
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 Extension Tap is a spiral-flute tap for multiple materials, with an M5.5x0.5 Metric thread. It features a D3 / 4H-6H tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1652002208).

Frequently Asked Questions

What is the OSG M5.5x0.5 extension tap used for?

The OSG M5.5x0.5 extension tap is used for threading blind holes in multiple materials. Its modified bottoming chamfer and 3-flute spiral-flute design help evacuate chips upward, making it suitable for deep-hole tapping in steel, aluminum, and cast iron.

What are the specifications of the OSG extension tap MPN 1652002208?

The OSG extension tap has a metric thread size of M5.5x0.5, a D3 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. It is designed for threading blind holes in multiple materials and is identified by manufacturer part number 1652002208.

Where to buy the OSG M5.5x0.5 extension tap worldwide?

You can source the OSG M5.5x0.5 extension tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct OSG tap for your threading application.

How to select the correct OSG extension tap for blind holes?

To select the correct OSG extension tap for blind holes, match the thread size (M5.5x0.5) and tolerance class (D3 / 4H-6H) to your workpiece material. The modified bottoming chamfer allows threading close to the hole bottom, while the 3-flute spiral-flute design aids chip evacuation in deep holes.

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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