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OSG Spiral Flute Tap: #2-56 UNC, H2 / 2B-3B, 2 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: #2-56 UNC, H2 / 2B-3B, 2 Flute

OSG General Purpose Spiral-Flute Taps.

SKU 3G-OTH-230886

Brand
OSG
Item
Spiral Flute Tap: #2-56 UNC, H2 / 2B-3B, 2 Flute
Category
General Purpose Spiral-Flute Taps
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
2905608

Technical Documents

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

Product Description

OSG General Purpose Spiral-Flute Taps.

Frequently Asked Questions

What is the OSG spiral flute tap #2-56 UNC used for?

This OSG spiral flute tap is designed for threading blind holes in materials such as steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG 2905608 tap?

The OSG 2905608 is a #2-56 UNC spiral flute tap with a H2 / 2B-3B tolerance class. It has 2 flutes and a modified bottoming chamfer, making it suitable for threading close to the bottom of blind holes. It is a general purpose tap for ferrous and non-ferrous materials.

Where to buy OSG taps in worldwide?

3G Electric supplies and delivers OSG taps worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order reaches any international destination. Contact us for pricing and lead time on this OSG 2905608 spiral flute tap.

How to select the correct OSG tap for blind holes?

For blind holes, choose a spiral flute tap like this OSG #2-56 UNC to evacuate chips upward. Ensure the chamfer type matches your hole depth: a modified bottoming chamfer allows threading closer to the bottom. Verify thread class (H2 / 2B-3B) matches your required fit.

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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