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OSG Straight Flute Tap: #12-28 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer - General Purpose Hand Taps
OSGGeneral Purpose Hand Taps

OSG Straight Flute Tap: #12-28 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer

OSG General Purpose Hand Taps.

SKU 3G-OTH-221809

Brand
OSG
Item
Straight Flute Tap: #12-28 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer
Category
General Purpose Hand Taps
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OSG
Manufacturer Part Number
1025905

Technical Documents

No technical documents available for this product.
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

OSG General Purpose Hand Taps.

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 OSG straight flute tap #12-28 UNF used for?

This OSG straight flute tap is used for cutting internal threads in through or blind holes. It is ideal for general-purpose hand tapping in ferrous and non-ferrous materials, providing precise #12-28 UNF threads with a bottoming chamfer for full thread depth.

What are the specifications of OSG tap MPN 1025905?

The OSG straight flute tap MPN 1025905 has a #12-28 UNF thread size, H3 pitch diameter tolerance for 2B-3B class fit, 4 flutes, and a bottoming chamfer. It is a general-purpose hand tap designed for manual or machine tapping operations.

Where to buy OSG tap #12-28 UNF worldwide?

3G Electric supplies and delivers the OSG tap #12-28 UNF (MPN 1025905) worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure reliable delivery to your facility, regardless of location.

How to select the right OSG tap for #12-28 UNF threads?

Select an OSG tap with the correct thread size (#12-28 UNF), pitch diameter tolerance (H3 for 2B-3B fit), and chamfer type. For blind holes, use a bottoming chamfer like this model. Match tap material to workpiece hardness and 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 hand taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

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