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OSG Thread Forming Tap: 5/16"-18 UNC, H3 / 2B-3B, Plug Chamfer - General Purpose Thread-Forming Taps
OSGGeneral Purpose Thread-Forming Taps

OSG Thread Forming Tap: 5/16"-18 UNC, H3 / 2B-3B, Plug Chamfer

The OSG Thread Forming Tap (5/16"-18 UNC, MPN 1400131401) is a general-purpose thread-forming tap with H3 / 2B-3B tolerance, Plug Chamfer, and Black Oxide Cobalt finish. 3G Electric interprets your demand for this…

SKU 3G-OTH-236339

Brand
OSG
Item
Thread Forming Tap: 5/16"-18 UNC, H3 / 2B-3B, Plug Chamfer
Category
General Purpose Thread-Forming Taps
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Local availability & support

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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
1400131401
Type
H3 / 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 (5/16"-18 UNC, MPN 1400131401) is a general-purpose thread-forming tap with H3 / 2B-3B tolerance, Plug Chamfer, and Black Oxide Cobalt finish. 3G Electric interprets your demand for this OEM-specified tool and delivers it across 14 industrial departments — with specialist depth in cutting tools and controls to support your sourcing.

Frequently Asked Questions

What is OSG thread forming tap 5/16-18 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 tapping applications across automotive, aerospace, and general manufacturing where thread strength and cleanliness are critical.

What are the specifications of OSG thread forming tap 1400131401?

This OSG tap has a 5/16-18 UNC thread size, H3 / 2B-3B tolerance, plug chamfer, and black oxide cobalt finish. The cobalt construction provides heat resistance and wear life for threading in harder materials. Manufacturer part number is 1400131401.

Where to buy OSG thread forming tap 5/16-18 UNC worldwide?

3G Electric supplies and delivers OSG thread forming taps worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 5/16-18 UNC, H3 / 2B-3B, plug chamfer, black oxide cobalt tap.

How to select the right OSG thread forming tap for aluminum?

For aluminum, choose a thread forming tap with a polished or coated surface to reduce galling. This OSG black oxide cobalt tap works well in aluminum due to its wear resistance. Ensure the H3 / 2B-3B tolerance matches your required thread class and use proper lubrication during forming.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Thread Forming Tap: 5/16"-18 UNC, H2 / 2B-3B, Plug Chamfer, Black Oxide Cobalt (MPN 1400131301)
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OSG Thread Forming Tap: 5/16"-18 UNC, H3 / 2B-3B, Plug Chamfer, Cobalt (MPN 1400131400)
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OSG Thread Forming Tap: 5/16"-18 UNC, H4 / 2B-3B, Plug Chamfer, Black Oxide Cobalt (MPN 1400131501)
OSG Thread Forming Tap: 5/16"-24 UNF, H3 / 2B-3B, Plug Chamfer, Black Oxide Cobalt (MPN 1400133701)
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OSG Thread Forming Tap: 5/16"-24 UNF, H3 / 2B-3B, Plug Chamfer, Black Oxide Cobalt (MPN 1400133701)
OSG Thread Forming Tap: 5/16"-18 UNC, H6 / 2B-3B, Plug Chamfer, Black Oxide Cobalt (MPN 1400131701)
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OSG Thread Forming Tap: 5/16"-18 UNC, H6 / 2B-3B, Plug Chamfer, Black Oxide Cobalt (MPN 1400131701)

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