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OSG Spiral Flute Tap: #8-32 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: #8-32 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer

SKU 3G-OTH-231179

Brand
OSG
Item
Spiral Flute Tap: #8-32 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer
Category
General Purpose Spiral-Flute Taps
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Technical Specifications

OSG
Manufacturer Part Number
1412905
Type
H3 / 2B-3B, Bottoming Chamfer, TiN Coated High Speed Steel
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG spiral flute tap #8-32 UNC used for?

This OSG spiral flute tap is used for threading blind holes in materials like steel and aluminum. Its bottoming chamfer allows threading close to the hole bottom, while the TiN coating reduces friction and extends tool life in production machining.

What are the specifications of the OSG tap 1412905?

The OSG tap 1412905 is a #8-32 UNC spiral flute tap with H3 / 2B-3B thread tolerance, 3 flutes, bottoming chamfer, and TiN coated high speed steel. It is designed for general purpose threading in blind holes.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps like the 1412905 to customers worldwide. We handle full logistics and customs clearance, ensuring reliable delivery for your threading applications across 14 industrial departments.

How to select the right spiral flute tap for blind holes?

For blind holes, choose a spiral flute tap with a bottoming chamfer to thread near the hole bottom. Match the tap size and thread class (e.g., H3 / 2B-3B) to your application. OSG taps with TiN coating offer good wear resistance in production runs.

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 general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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