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OSG Thread Forming Tap: 1/4"-20 UNC, H8 / 2B, Bottoming Chamfer - General Purpose Thread-Forming Taps
OSGGeneral Purpose Thread-Forming Taps

OSG Thread Forming Tap: 1/4"-20 UNC, H8 / 2B, Bottoming Chamfer

The OSG Thread Forming Tap (1/4"-20 UNC, MPN 1400125901) is a general-purpose thread-forming tap with an H8 / 2B tolerance, bottoming chamfer, and black oxide cobalt finish. 3G Electric interprets customer demand and…

SKU 3G-OTH-236903

Brand
OSG
Item
Thread Forming Tap: 1/4"-20 UNC, H8 / 2B, Bottoming Chamfer
Category
General Purpose Thread-Forming Taps
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Technical Specifications

OSG
Manufacturer Part Number
1400125901
Type
H8 / 2B, Bottoming Chamfer, Black Oxide Cobalt
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Thread Forming Tap (1/4"-20 UNC, MPN 1400125901) is a general-purpose thread-forming tap with an H8 / 2B tolerance, bottoming chamfer, and black oxide cobalt finish. 3G Electric interprets customer demand and delivers this genuine industrial tool across 14 departments — and far more — with specialist depth in combustion, pumps and controls as a trust anchor.

Frequently Asked Questions

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

This OSG thread forming tap is used to create internal threads in metal without cutting, which eliminates chips and produces stronger threads. It is ideal for ductile materials like aluminum, steel, and stainless steel in automotive, aerospace, and general manufacturing applications.

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

This OSG tap has a 1/4"-20 UNC thread size, H8 / 2B tolerance class, bottoming chamfer, and black oxide cobalt finish. The manufacturer part number is 1400125901. It is designed for general purpose thread forming in a variety of materials.

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

You can source this OSG thread forming tap from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this item.

How to select the correct OSG thread forming tap for my application?

Select based on thread size, tolerance class, and material. For 1/4"-20 UNC threads in steel or aluminum, this H8 / 2B bottoming tap is suitable. Ensure your hole size matches the tap's specifications. Consult OSG's technical data for optimal performance and tool life.

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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