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OSG Spiral Point Tap: #12-28 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: #12-28 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer

The OSG Spiral Point Tap (#12-28 UNF, MPN 1214400) is a general-purpose spiral-point tap with H3 / 2B-3B tolerance, 2-flute design, plug chamfer, and high-speed steel construction. 3G Electric interprets your demand…

SKU 3G-OTH-216139

Brand
OSG
Item
Spiral Point Tap: #12-28 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Technical Specifications

OSG
Manufacturer Part Number
1214400
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 (#12-28 UNF, MPN 1214400) is a general-purpose spiral-point tap with H3 / 2B-3B tolerance, 2-flute design, plug chamfer, and high-speed steel construction. 3G Electric interprets your demand for this OEM-specified tool and delivers it across 14 industrial departments — with specialist depth in combustion, pumps, and controls as a trust anchor, not a limit.

Frequently Asked Questions

What is the OSG Spiral Point Tap #12-28 UNF used for?

The OSG Spiral Point Tap #12-28 UNF is used for threading blind or through holes in metal parts. Its spiral-point design pushes chips ahead, reducing clogging. Common applications include automotive, aerospace, and general manufacturing where precise UNF threads are required.

What are the specifications of the OSG Spiral Point Tap #12-28 UNF?

This OSG tap has a #12-28 UNF thread size, H3 / 2B-3B tolerance, 2 flutes, and a plug chamfer. It is made of high-speed steel (HSS) and is designed for general-purpose threading. The manufacturer part number is 1214400.

Where to buy the OSG Spiral Point Tap #12-28 UNF worldwide?

You can source the OSG Spiral Point Tap #12-28 UNF worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine OSG tooling globally.

How to select the correct OSG Spiral Point Tap for UNF threads?

To select the correct OSG spiral point tap, match the thread size (e.g., #12-28 UNF), tolerance class (H3 / 2B-3B), and chamfer type (plug) to your application. For blind holes, spiral point taps push chips forward. Always verify material compatibility with high-speed steel taps.

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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