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OSG Extension Tap: M18x1 Metric, D5 / 4H-6H, 4 Flute - Spiral-Flute Extension Taps for Multiple Materials
OSGSpiral-Flute Extension Taps for Multiple Materials

OSG Extension Tap: M18x1 Metric, D5 / 4H-6H, 4 Flute

SKU 3G-OTH-311689

Brand
OSG
Item
Extension Tap: M18x1 Metric, D5 / 4H-6H, 4 Flute
Category
Spiral-Flute Extension Taps for Multiple Materials
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Technical Specifications

OSG
Manufacturer Part Number
1652008008
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG Extension Tap M18x1 used for?

The OSG Extension Tap M18x1 is used for threading blind holes in multiple materials, including steel and aluminum. Its spiral-flute design evacuates chips upward, making it ideal for deep-hole tapping. The modified bottoming chamfer allows threading close to the hole bottom, common in automotive and general manufacturing.

What are the specifications of the OSG Extension Tap M18x1?

The OSG Extension Tap has a metric M18x1 thread size, a D5 / 4H-6H tolerance class, and a 4-flute design with a modified bottoming chamfer. The manufacturer part number is 1652008008. It is a spiral-flute extension tap for multiple materials, suitable for precision threading applications.

Where to buy the OSG Extension Tap M18x1 worldwide?

You can source the OSG Extension Tap M18x1 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 provide reliable sourcing for this OSG tap.

How to select the correct OSG Extension Tap for M18x1 threads?

To select the correct OSG Extension Tap, match the thread size (M18x1) and tolerance class (D5 / 4H-6H) to your application. Ensure the tap length reaches the required hole depth. For blind holes, use a modified bottoming chamfer. Always verify material compatibility; OSG taps suit multiple materials like steel and cast iron.

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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