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OSG Thread Forming Tap: 1/2"-13 UNC, H5 / 2B-3B, Modified Bottoming Chamfer - General Purpose Thread-Forming Taps
OSGGeneral Purpose Thread-Forming Taps

OSG Thread Forming Tap: 1/2"-13 UNC, H5 / 2B-3B, Modified Bottoming Chamfer

OSG General Purpose Thread-Forming Taps. Specifications: Type: H5 / 2B-3B, Modified Bottoming Chamfer, Black Oxide Cobalt.

SKU 3G-OTH-236691

Brand
OSG
Item
Thread Forming Tap: 1/2"-13 UNC, H5 / 2B-3B, Modified Bottoming Chamfer
Category
General Purpose Thread-Forming Taps
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Technical Specifications

OSG
Manufacturer Part Number
1400142801
Type
H5 / 2B-3B, Modified Bottoming Chamfer, Black Oxide Cobalt

Technical Documents

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

Product Description

OSG General Purpose Thread-Forming Taps. Specifications: Type: H5 / 2B-3B, Modified Bottoming Chamfer, Black Oxide Cobalt.

Frequently Asked Questions

What is the OSG thread forming tap 1/2"-13 UNC used for?

This OSG thread forming tap creates internal threads in ductile materials like aluminum, brass, and low-carbon steel without cutting chips. It is ideal for CNC and manual machining applications across automotive, aerospace, and general manufacturing where thread strength and surface finish are critical.

What are the specifications of the OSG 1400142801 thread forming tap?

This OSG tap has a 1/2"-13 UNC thread size, H5 / 2B-3B tolerance class, modified bottoming chamfer, and black oxide cobalt finish. The manufacturer part number is 1400142801. It is designed for through-hole or blind-hole threading in materials up to 850 °C hardness.

Where to buy OSG thread forming taps worldwide?

3G Electric supplies OSG thread forming taps like the 1/2"-13 UNC model to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other OSG tooling across 14 industrial departments.

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

Match the tap size and thread pitch to your hole diameter and material. For blind holes, use a modified bottoming chamfer like this OSG tap. Ensure the H5 tolerance aligns with your required class of fit (2B or 3B). Consult OSG's technical data for optimal speeds and lubrication.

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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Cross-referenced by specification & description
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OSG Thread Forming Tap: 7/16"-14 UNC, H5 / 2B-3B, Modified Bottoming Chamfer, Cobalt (MPN 1400139200)
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OSG Thread Forming Tap: 5/16"-24 UNF, H5 / 2B-3B, Modified Bottoming Chamfer, Black Oxide Cobalt (MPN 1400133001)
OSG Thread Forming Tap: 1/2"-13 UNC, H5 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400142808)
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OSG Thread Forming Tap: 1/2"-13 UNC, H5 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400142808)
OSG Thread Forming Tap: 7/16"-14 UNC, H5 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400139208)
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OSG Thread Forming Tap: 7/16"-14 UNC, H5 / 2B-3B, Modified Bottoming Chamfer, TiCN Coated Cobalt (MPN 1400139208)

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