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OSG Spiral Point Tap: 1/4"-28 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 1/4"-28 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer

The OSG Spiral Point Tap (1/4"-28 UNF) is a general-purpose spiral-point tap with a plug chamfer, made from high-speed steel. It features 2 flutes and is rated H2 / 2B-3B (MPN 1225400).

SKU 3G-OTH-215570

Brand
OSG
Item
Spiral Point Tap: 1/4"-28 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Technical Specifications

OSG
Manufacturer Part Number
1225400
Type
H2 / 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) is a general-purpose spiral-point tap with a plug chamfer, made from high-speed steel. It features 2 flutes and is rated H2 / 2B-3B (MPN 1225400).

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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 ferrous and non-ferrous materials. Its spiral point design pushes chips ahead, reducing clogging. It is ideal for general-purpose tapping in automotive, aerospace, and general manufacturing applications requiring UNF threads.

What are the specifications of the OSG spiral point tap MPN 1225400?

The OSG spiral point tap has a 1/4"-28 UNF thread size, H2 / 2B-3B tolerance, 2 flutes, and a plug chamfer. It is made of high-speed steel. The manufacturer part number is 1225400. This tap is designed for general-purpose threading in a range of materials.

Where to buy OSG spiral point taps worldwide?

You can source OSG spiral point 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 1225400 tap.

How to select the correct OSG spiral point tap for my application?

Select the OSG spiral point tap based on thread size, pitch, and material. For 1/4"-28 UNF threads, use the H2 / 2B-3B tolerance tap for general-purpose work. Ensure the tap matches your hole type (blind or through) and material hardness. Consult OSG's technical data for optimal performance.

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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