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OSG Extension Tap: #6-32 UNC, H3 / 2B-3B, 3 Flute - Spiral-Flute Extension Taps for Steel & Stainless Steel
OSGSpiral-Flute Extension Taps for Steel & Stainless Steel

OSG Extension Tap: #6-32 UNC, H3 / 2B-3B, 3 Flute

SKU 3G-OTH-315334

Brand
OSG
Item
Extension Tap: #6-32 UNC, H3 / 2B-3B, 3 Flute
Category
Spiral-Flute Extension Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1766501
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG #6-32 UNC extension tap used for?

This OSG extension tap is designed for threading #6-32 UNC holes in steel and stainless steel. Its spiral-flute design and modified bottoming chamfer make it suitable for through-hole and blind-hole applications where chip evacuation is critical, such as in automotive or general manufacturing.

What are the specifications of the OSG 1766501 extension tap?

The OSG 1766501 is a #6-32 UNC extension tap with H3 / 2B-3B thread class, 3 flutes, and a modified bottoming chamfer. It is a spiral-flute tap designed for steel and stainless steel. The H3 tolerance ensures precise thread fit for 2B-3B classes.

Where to buy OSG extension taps worldwide?

3G Electric supplies OSG extension taps like the 1766501 worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver to meet your production needs.

How to select the correct OSG tap for stainless steel?

For stainless steel, choose a spiral-flute tap like the OSG 1766501 with a modified bottoming chamfer to reduce torque and improve chip evacuation. Ensure the thread class (e.g., H3 / 2B-3B) matches your application. Use proper cutting fluid and rigid tapping equipment for best results.

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 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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