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OSG Spiral Flute Tap: #2-56 UNC, H2 / 2B-3B, 2 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

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

SKU 3G-OTH-217759

Brand
OSG
Item
Spiral Flute Tap: #2-56 UNC, H2 / 2B-3B, 2 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
0135401
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

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

The OSG spiral flute tap #2-56 UNC is designed for threading steel and stainless steel. Its spiral flute design pushes chips forward, making it ideal for through-hole applications. The bottoming chamfer allows threading close to the bottom of a blind hole. It is commonly used in automotive, aerospace, and general manufacturing.

What are the specifications of the OSG spiral flute tap #2-56 UNC?

This OSG tap has a #2-56 UNC thread size, H2 / 2B-3B tolerance, 2 flutes, and a bottoming chamfer. The manufacturer part number is 0135401. It is designed for steel and stainless steel. The H2 limit ensures precise thread fit for class 2B and 3B applications.

Where to buy OSG spiral flute tap #2-56 UNC worldwide?

You can source the OSG spiral flute tap #2-56 UNC (MPN 0135401) 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.

How to select the correct OSG spiral flute tap for steel?

Select the OSG spiral flute tap based on thread size, material, and hole type. For #2-56 UNC in steel, use a bottoming chamfer for blind holes. The H2 / 2B-3B tolerance ensures proper fit. Always match the tap to the material hardness and use appropriate cutting fluid 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 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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