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OSG Extension Tap: 9/16"-18 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer - Spiral-Point Extension Taps for Multiple Materials
OSGSpiral-Point Extension Taps for Multiple Materials

OSG Extension Tap: 9/16"-18 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer

The OSG Extension Tap (9/16"-18 UNF) is a spiral-point tap for multiple materials, featuring a H5 / 2B-3B tolerance, plug chamfer, V Coated Powdered Metal construction, and 3 flutes (MPN 1653504308). 3G Electric…

SKU 3G-OTH-402442

Brand
OSG
Item
Extension Tap: 9/16"-18 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer
Category
Spiral-Point Extension Taps for Multiple Materials
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Technical Specifications

OSG
Manufacturer Part Number
1653504308
Type
H5 / 2B-3B, Plug Chamfer, V Coated Powdered Metal
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Extension Tap (9/16"-18 UNF) is a spiral-point tap for multiple materials, featuring a H5 / 2B-3B tolerance, plug chamfer, V Coated Powdered Metal construction, and 3 flutes (MPN 1653504308). 3G Electric sources this genuine OSG tool alongside thousands of industrial consumables across 14 departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing and support.

Frequently Asked Questions

What is the OSG Extension Tap 9/16"-18 UNF used for?

This OSG extension tap is designed for threading blind or deep holes in multiple materials, including steel, stainless steel, and aluminum. Its spiral-point design pushes chips forward, making it ideal for through-hole applications. The V coating and powdered metal construction provide wear resistance and extended tool life in production environments.

What are the specifications of the OSG Extension Tap 9/16"-18 UNF?

The OSG Extension Tap has a thread size of 9/16"-18 UNF, with an H5 tolerance for class 2B-3B fit. It features 3 flutes, a plug chamfer, and a V coating on powdered metal. The manufacturer part number is 1653504308. This tap is designed for spiral-point chip evacuation in multiple materials.

Where to buy the OSG Extension Tap 9/16"-18 UNF worldwide?

You can source the OSG Extension Tap 9/16"-18 UNF 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; we provide this OSG tap as part of our extensive sourcing network.

How to select the correct OSG extension tap for a threading application?

Select the OSG extension tap based on thread size, pitch, and material. For 9/16"-18 UNF threads, ensure the tap matches the required tolerance (H5 for 2B-3B). Use a plug chamfer for through-holes and spiral-point design for chip evacuation. Match the coating (V coated) to the workpiece material for optimal 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 spiral-point extension taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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