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OSG Spiral Point Tap: 1/4"-20 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 1/4"-20 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer

The OSG Spiral Point Tap (1/4"-20 UNC) is a general purpose spiral-point tap with H3 / 2B-3B tolerance, 2-flute design, plug chamfer, and high-speed steel construction (MPN 1230000).

SKU 3G-OTH-215444

Brand
OSG
Item
Spiral Point Tap: 1/4"-20 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Technical Specifications

OSG
Manufacturer Part Number
1230000
Type
H3 / 2B-3B, Plug Chamfer, High Speed Steel
Flute
2
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Point Tap (1/4"-20 UNC) is a general purpose spiral-point tap with H3 / 2B-3B tolerance, 2-flute design, plug chamfer, and high-speed steel construction (MPN 1230000).

Frequently Asked Questions

What is an OSG spiral point tap used for?

An OSG spiral point tap is used for through-hole threading in production machining. Its spiral-point design pushes chips ahead, preventing clogging and enabling faster tapping in steel, aluminum, and cast iron across automotive, aerospace, and general manufacturing.

What are the specifications of the OSG 1/4"-20 UNC spiral point tap?

This OSG tap is 1/4"-20 UNC, H3 / 2B-3B class of fit, with 2 flutes, a plug chamfer, and high-speed steel construction. The manufacturer part number is 1230000. It is designed for general-purpose through-hole tapping in a wide range of materials.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance. As a global industrial sourcing partner, we interpret your demand and deliver genuine OSG cutting tools to any location. Contact us for pricing and lead time on this 1/4"-20 UNC spiral point tap.

How to select the right OSG tap for through holes?

For through holes, choose a spiral point tap like this OSG 1/4"-20 UNC model. The plug chamfer provides a strong starting thread, while the H3 / 2B-3B tolerance ensures proper fit. Match the tap material (high-speed steel) to your workpiece hardness and use appropriate cutting fluid.

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

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