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OSG #8-32 UNC Spiral-Flute Extension Tap for Steel & Stainless Steel - Spiral-Flute Extension Taps for Steel & Stainless Steel
OSGSpiral-Flute Extension Taps for Steel & Stainless Steel

OSG #8-32 UNC Spiral-Flute Extension Tap for Steel & Stainless Steel

OSG Spiral-Flute Extension Taps for Steel & Stainless Steel.

SKU 3G-OTH-315315

Brand
OSG
Item
#8-32 UNC Spiral-Flute Extension Tap for Steel & Stainless Steel
Category
Spiral-Flute Extension Taps for Steel & Stainless Steel
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
0143901

Technical Documents

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

Product Description

OSG Spiral-Flute Extension Taps for Steel & Stainless Steel.

Frequently Asked Questions

What is the OSG Extension Tap #8-32 UNC used for?

The OSG Extension Tap #8-32 UNC is used for threading blind holes in steel and stainless steel. Its spiral-flute design evacuates chips upward, making it ideal for deep-hole tapping. The bottoming chamfer allows threading close to the hole bottom. It is commonly used in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG Extension Tap #8-32 UNC?

The OSG Extension Tap #8-32 UNC has a thread size of #8-32 UNC with a thread class of H3 / 2B-3B. It features 3 flutes and a bottoming chamfer. The manufacturer part number is 0143901. This spiral-flute extension tap is designed for steel and stainless steel, providing efficient chip evacuation in deep-hole tapping operations.

Where to buy the OSG Extension Tap #8-32 UNC worldwide?

You can source the OSG Extension Tap #8-32 UNC worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We supply genuine OSG taps to support your manufacturing needs.

How to select the correct OSG Extension Tap for steel?

To select the correct OSG Extension Tap for steel, match the thread size and class to your application. For #8-32 UNC threads, choose a tap with H3 / 2B-3B tolerance. Use a spiral-flute design for blind holes and a bottoming chamfer for threading near the hole bottom. OSG taps are engineered for steel and stainless steel, ensuring reliable performance.

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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This spiral-flute extension tap is designed for threading blind holes in steel and stainless steel. The spiral-flute design evacuates chips upward to prevent clogging, and the modified bottoming chamfer allows threading close to the hole bottom. Suitable for automotive, aerospace, and general manufacturing applications
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