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OSG 1/2"-20 UNF H12 Plug Chamfer Black Oxide Cobalt Oversized Thread-Forming Tap - Oversized Thread-Forming Taps
OSGOversized Thread-Forming Taps

OSG 1/2"-20 UNF H12 Plug Chamfer Black Oxide Cobalt Oversized Thread-Forming Tap

OSG Oversized Thread-Forming Taps.

SKU 3G-OTH-281758

Brand
OSG
Item
1/2"-20 UNF H12 Plug Chamfer Black Oxide Cobalt Oversized Thread-Forming Tap
Category
Oversized Thread-Forming 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
1400146201

Technical Documents

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

Product Description

OSG Oversized Thread-Forming 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 an OSG thread forming tap used for?

An OSG thread forming tap creates internal threads by displacing material rather than cutting it. This 1/2"-20 UNF, H12, plug chamfer, black oxide cobalt tap is used in ductile materials like aluminum, brass, and low-carbon steel to produce strong, burr-free threads without chips.

What are the specifications of the OSG thread forming tap 1400146201?

The OSG thread forming tap has a thread size of 1/2"-20 UNF, a H12 tolerance, plug chamfer, and black oxide cobalt finish. The manufacturer part number is 1400146201. It is designed for forming threads in materials up to 850 °C hardness, with a 24 VDC compatible coating for extended tool life.

Where to buy OSG thread forming taps worldwide?

You can source OSG thread forming 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 1400146201 tap.

How to select the correct OSG thread forming tap size?

Select the OSG thread forming tap based on thread size, pitch, and tolerance class. For a 1/2"-20 UNF thread, use a H12 tap for tight tolerance. Ensure the material is suitable for thread forming (e.g., aluminum, brass). The plug chamfer is ideal for through holes. 3G Electric can help with sizing guidance.

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 oversized thread-forming 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

Cross-referenced by specification & description
OSG Thread Forming Tap: 1/2"-20 UNF, H12, Plug Chamfer, Cobalt (MPN 1400146200)
OSG
OSG Thread Forming Tap: 1/2"-20 UNF, H12, Plug Chamfer, Cobalt (MPN 1400146200)
Thread-forming tap for creating internal threads in ductile materials without cutting, eliminating chips and producing stronger threads. Features 9/16"-18 UNF thread size, H12 tolerance, plug chamfer, and black oxide cobalt finish. Suitable for applications in automotive, aerospace, and general manufacturing where precise, chip-free threading is required
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Thread-forming tap for creating internal threads in ductile materials without cutting, eliminating chips and producing stronger threads. Features 9/16"-18 UNF thread size, H12 tolerance, plug chamfer, and black oxide cobalt finish. Suitable for applications in automotive, aerospace, and general manufacturing where precise, chip-free threading is required
This oversized thread-forming tap creates internal threads in ductile materials without cutting, eliminating chips and producing stronger threads. It features a 1/2"-20 UNF thread size, H12 tolerance, plug chamfer, and TiCN coating on cobalt steel. Suitable for use in automotive, aerospace, and general manufacturing applications
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This oversized thread-forming tap creates internal threads in ductile materials without cutting, eliminating chips and producing stronger threads. It features a 1/2"-20 UNF thread size, H12 tolerance, plug chamfer, and TiCN coating on cobalt steel. Suitable for use in automotive, aerospace, and general manufacturing applications
OSG Thread Forming Tap: 7/16"-20 UNF, H12, Plug Chamfer, Black Oxide Cobalt (MPN 1400142601)
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OSG Thread Forming Tap: 7/16"-20 UNF, H12, Plug Chamfer, Black Oxide Cobalt (MPN 1400142601)
OSG Thread Forming Tap: 9/16"-12 UNC, H12 / 2B, Plug Chamfer, Black Oxide Cobalt (MPN 1400148001)
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OSG Thread Forming Tap: 9/16"-12 UNC, H12 / 2B, Plug Chamfer, Black Oxide Cobalt (MPN 1400148001)
This oversized thread-forming tap is designed for creating internal threads in ductile materials without cutting, producing chip-free threads. It features a 1/2"-20 UNF thread size, H12 tolerance, modified bottoming chamfer, and black oxide cobalt finish. Suitable for applications in automotive and aerospace manufacturing where strong threads are required
OSG
This oversized thread-forming tap is designed for creating internal threads in ductile materials without cutting, producing chip-free threads. It features a 1/2"-20 UNF thread size, H12 tolerance, modified bottoming chamfer, and black oxide cobalt finish. Suitable for applications in automotive and aerospace manufacturing where strong threads are required

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Oversized thread-forming tap for creating internal threads in ductile materials such as aluminum, brass, and steel. Features M12x1.75 metric thread, D11 / 6H tolerance, bottoming chamfer, and cobalt construction. The oversized design compensates for coating or heat treatment. Used in general manufacturing applications requiring strong, burr-free threads
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This OSG thread-forming tap creates internal threads by displacing material, producing stronger, burr-free threads in ductile materials. It features a 5/8"-11 UNC thread size, H12 / 2B tolerance for oversized pitch diameter, plug chamfer, and black oxide cobalt finish. Suitable for applications requiring a larger thread after coating or plating
Oversized thread-forming tap for creating internal threads by material displacement. Metric M12x1.75 thread size, D11 / 6H tolerance class, plug chamfer, and TiCN coated cobalt construction. Suitable for through or blind holes in ductile materials
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Oversized thread-forming tap for creating internal threads by material displacement. Metric M12x1.75 thread size, D11 / 6H tolerance class, plug chamfer, and TiCN coated cobalt construction. Suitable for through or blind holes in ductile materials
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This OSG oversized thread-forming tap creates internal threads by displacing material, producing stronger threads without chips. It is suited for ductile materials such as aluminum, steel, and stainless steel. The tap features a modified bottoming chamfer and a black oxide cobalt finish for reduced friction and extended tool life
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Oversized thread-forming tap for creating internal threads by material displacement. H12 tolerance for precise fit. Modified bottoming chamfer allows threading close to hole bottom. TiN-coated cobalt construction reduces friction and extends tool life. Suitable for ductile materials such as aluminum and steel
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Oversized thread-forming tap for creating internal threads by material displacement. H12 tolerance for precise fit. Modified bottoming chamfer allows threading close to hole bottom. TiN-coated cobalt construction reduces friction and extends tool life. Suitable for ductile materials such as aluminum and steel