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OSG Thread Forming Tap: 1/4"-20 UNC, H4 / 2B-3B, Plug Chamfer - General Purpose Thread-Forming Taps
OSGGeneral Purpose Thread-Forming Taps

OSG Thread Forming Tap: 1/4"-20 UNC, H4 / 2B-3B, Plug Chamfer

The OSG Thread Forming Tap (1/4"-20 UNC, MPN 1400127101) is a general-purpose thread-forming tap with a Plug Chamfer and Black Oxide Cobalt finish. It is specified as H4 / 2B-3B, indicating a tolerance class for…

SKU 3G-OTH-237478

Brand
OSG
Item
Thread Forming Tap: 1/4"-20 UNC, H4 / 2B-3B, Plug Chamfer
Category
General Purpose Thread-Forming Taps
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
1400127101
Type
H4 / 2B-3B, Plug Chamfer, Black Oxide Cobalt

Technical Documents

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Thread Forming Tap (1/4"-20 UNC, MPN 1400127101) is a general-purpose thread-forming tap with a Plug Chamfer and Black Oxide Cobalt finish. It is specified as H4 / 2B-3B, indicating a tolerance class for forming internal threads in a range of materials.

Frequently Asked Questions

What is the OSG Thread Forming Tap 1/4"-20 UNC used for?

The OSG Thread Forming Tap 1/4"-20 UNC is used to create internal threads in metal workpieces without cutting material, reducing chip debris. It is ideal for ductile materials like aluminum, steel, and stainless steel in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG Thread Forming Tap 1/4"-20 UNC?

This OSG tap has a thread size of 1/4"-20 UNC, a plug chamfer, and a black oxide cobalt finish. It features an H4 / 2B-3B tolerance class for precise thread fit. The manufacturer part number is 1400127101, and it is designed for general-purpose thread forming.

Where to buy the OSG Thread Forming Tap 1/4"-20 UNC worldwide?

You can source the OSG Thread Forming Tap 1/4"-20 UNC worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location, ensuring reliable supply for your manufacturing needs.

How to select the correct OSG Thread Forming Tap for your application?

To select the correct OSG thread forming tap, match the thread size (e.g., 1/4"-20 UNC) and tolerance class (H4 / 2B-3B) to your workpiece material and hole dimensions. Use a plug chamfer for through holes and ensure the tap is suitable for ductile materials to avoid breakage.

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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OSG Thread Forming Tap: 1/4"-20 UNC, H4 / 2B-3B, Plug Chamfer, TiN Coated Cobalt (MPN 1400127105)

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