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OSG Extension Tap: M16x2 Metric, D7 / 4H-6H, 3 Flute - Spiral-Flute Extension Taps for Multiple Materials
OSGSpiral-Flute Extension Taps for Multiple Materials

OSG Extension Tap: M16x2 Metric, D7 / 4H-6H, 3 Flute

SKU 3G-OTH-311747

Brand
OSG
Item
Extension Tap: M16x2 Metric, D7 / 4H-6H, 3 Flute
Category
Spiral-Flute Extension Taps for Multiple Materials
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Technical Specifications

OSG
Manufacturer Part Number
1652007708
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG Extension Tap M16x2 used for?

The OSG Extension Tap M16x2 is used for threading blind or deep holes in multiple materials, including steel, stainless steel, and aluminum. Its spiral-flute design evacuates chips upward, preventing clogging, while the modified bottoming chamfer allows threading close to the hole bottom. This makes it ideal for automotive, aerospace, and general machining applications.

What are the specifications of the OSG Extension Tap M16x2?

The OSG Extension Tap has a metric M16x2 thread size, a D7 / 4H-6H tolerance class, and a 3-flute design with a modified bottoming chamfer. The manufacturer part number is 1652007708. It is a spiral-flute extension tap designed for threading multiple materials, providing chip evacuation and extended reach for deep-hole applications.

Where to buy the OSG Extension Tap M16x2 worldwide?

You can source the OSG Extension Tap M16x2 (MPN 1652007708) 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 competitive pricing and reliable sourcing for this OSG tap.

How to select the correct OSG extension tap for deep-hole threading?

To select the correct OSG extension tap, match the thread size (e.g., M16x2) and pitch to your hole specifications. Verify the tolerance class (D7 / 4H-6H) for fit requirements. Choose a spiral-flute design for chip evacuation in blind holes, and ensure the extension length reaches the full thread depth. Consult OSG's technical data for material-specific recommendations.

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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