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OSG Spiral Point Tap: 1/4"-28 UNF, H1 / 2B-3B, 2 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 1/4"-28 UNF, H1 / 2B-3B, 2 Flute, Plug Chamfer

The OSG Spiral Point Tap (1/4"-28 UNF, MPN 1220400) is a general-purpose spiral-point tap made from high-speed steel with a plug chamfer and 2 flutes. It is specified as H1 / 2B-3B for thread class compatibility. 3G…

SKU 3G-OTH-214590

Brand
OSG
Item
Spiral Point Tap: 1/4"-28 UNF, H1 / 2B-3B, 2 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Technical Specifications

OSG
Manufacturer Part Number
1220400
Type
H1 / 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"-28 UNF, MPN 1220400) is a general-purpose spiral-point tap made from high-speed steel with a plug chamfer and 2 flutes. It is specified as H1 / 2B-3B for thread class compatibility. 3G Electric interprets your demand for this OSG tap and delivers it with specialist support across 14 industrial departments, including cutting tools.

Frequently Asked Questions

What is the OSG spiral point tap 1/4-28 UNF used for?

The OSG spiral point tap is used for threading blind or through holes in materials such as steel and aluminum. Its spiral point design pushes chips forward, reducing chip clogging. It is suitable for general-purpose tapping in manufacturing and maintenance applications.

What are the specifications of the OSG spiral point tap 1220400?

The OSG spiral point tap has a 1/4-28 UNF thread size, H1 / 2B-3B tolerance, 2 flutes, and a plug chamfer. It is made of high-speed steel. The manufacturer part number is 1220400. This tap is designed for general-purpose threading in various materials.

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 1220400.

How to select the correct OSG tap for a threading application?

To select the correct OSG tap, match the thread size and pitch (e.g., 1/4-28 UNF) to your hole. Consider material hardness and hole type (blind or through). The H1 / 2B-3B tolerance indicates fit class. For general use, a plug chamfer and high-speed steel are common choices.

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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