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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 1214401) is a general purpose spiral-point tap with H3 / 2B-3B tolerance, 2-flute design, plug chamfer, and black oxide high-speed steel construction. 3G Electric interprets…

SKU 3G-OTH-214123

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
1214401
Type
H3 / 2B-3B, Plug Chamfer, Black Oxide 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 1214401) is a general purpose spiral-point tap with H3 / 2B-3B tolerance, 2-flute design, plug chamfer, and black oxide high-speed steel construction. 3G Electric interprets this demand and sources the exact OEM-specified tool, backed by specialist expertise across 14 industrial departments — and we supply far more than is listed.

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 ferrous and non-ferrous materials. Its spiral point design pushes chips forward, reducing chip clogging. Common applications include automotive, aerospace, and general manufacturing where precise UNF threads are required.

What are the specifications of the OSG tap MPN 1214401?

The OSG tap MPN 1214401 is a #12-28 UNF spiral point tap with a H3 / 2B-3B thread tolerance. It has 2 flutes, a plug chamfer, and is made from black oxide high-speed steel. This general-purpose tap is designed for threading holes in materials like steel and aluminum.

Where to buy OSG taps in worldwide?

You can source OSG taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG spiral point tap #12-28 UNF (MPN 1214401).

How to select the correct OSG tap for UNF threads?

To select the correct OSG tap for UNF threads, match the tap size (e.g., #12-28 UNF) to your hole diameter and thread class (e.g., 2B-3B). Consider material hardness and hole type (through or blind). OSG taps like the spiral point design are ideal for through holes, while spiral flute taps suit blind holes.

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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