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OSG Spiral Flute Tap: #8-32 UNC, H2 / 2B-3B, 3 Flute, Bottoming Chamfer - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: #8-32 UNC, H2 / 2B-3B, 3 Flute, Bottoming Chamfer

The OSG Spiral Flute Tap is a general-purpose tap in #8-32 UNC, featuring a bottoming chamfer and high-speed steel construction. It has 3 flutes and is rated H2 / 2B-3B (MPN 5001900).

SKU 3G-OTH-230410

Brand
OSG
Item
Spiral Flute Tap: #8-32 UNC, H2 / 2B-3B, 3 Flute, Bottoming Chamfer
Category
General Purpose Spiral-Flute Taps
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Technical Specifications

OSG
Manufacturer Part Number
5001900
Type
H2 / 2B-3B, Bottoming Chamfer, High Speed Steel
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap is a general-purpose tap in #8-32 UNC, featuring a bottoming chamfer and high-speed steel construction. It has 3 flutes and is rated H2 / 2B-3B (MPN 5001900).

Frequently Asked Questions

What is an OSG spiral flute tap used for?

An OSG spiral flute tap is used for threading blind holes in materials like steel and aluminum. Its spiral design pushes chips upward, preventing clogging and ensuring clean threads. This #8-32 UNC tap with bottoming chamfer is ideal for reaching the bottom of a hole.

What are the specifications of the OSG #8-32 UNC spiral flute tap?

This OSG tap has a #8-32 UNC thread, H2 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is made from high-speed steel (HSS) and carries MPN 5001900. The H2 / 2B-3B designation ensures precise fit for class 2B or 3B threaded holes.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine OSG cutting tools like the #8-32 UNC spiral flute tap and deliver to your facility. Contact us for pricing and lead time.

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

For blind holes, choose a spiral flute tap with a bottoming chamfer, like this OSG #8-32 UNC tap. The spiral flutes evacuate chips upward, preventing breakage. Match the tap's thread size, pitch, and tolerance (e.g., H2 / 2B-3B) to your hole requirements and material hardness.

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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