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OSG Thread Forming Tap: #4-40 UNC, H4 / 2B-3B, Plug Chamfer - General Purpose Thread-Forming Taps
OSGGeneral Purpose Thread-Forming Taps

OSG Thread Forming Tap: #4-40 UNC, H4 / 2B-3B, Plug Chamfer

SKU 3G-OTH-236786

Brand
OSG
Item
Thread Forming Tap: #4-40 UNC, H4 / 2B-3B, Plug Chamfer
Category
General Purpose Thread-Forming Taps
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Technical Specifications

OSG
Manufacturer Part Number
1400106000
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG Thread Forming Tap #4-40 UNC used for?

The OSG Thread Forming Tap #4-40 UNC is used to create internal threads in ductile materials like aluminum, brass, and low-carbon steel without cutting chips. It is ideal for automotive, aerospace, and general manufacturing applications where thread strength and cleanliness are critical.

What are the specifications of the OSG Thread Forming Tap #4-40 UNC?

The OSG Thread Forming Tap has a #4-40 UNC thread size, H4 / 2B-3B tolerance, plug chamfer, and is made from cobalt. The manufacturer part number is 1400106000. It is designed for general-purpose thread forming in materials up to 850 °C hardness.

Where to buy OSG Thread Forming Tap #4-40 UNC worldwide?

You can source the OSG Thread Forming Tap #4-40 UNC worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to global destinations. Contact us for availability and lead time on this item.

How to select the correct OSG Thread Forming Tap for #4-40 UNC threads?

Select the OSG Thread Forming Tap based on material type and thread tolerance. For #4-40 UNC, use the H4 / 2B-3B tap for general-purpose forming in ductile metals. Ensure the tap matches the required thread class and chamfer type (plug chamfer is standard for through or 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 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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