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OSG Extension Tap: 9/16"-12 UNC, 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"-12 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer

The OSG Extension Tap (9/16"-12 UNC) is a spiral-point extension tap for multiple materials, featuring a H5 / 2B-3B, Plug Chamfer, V Coated Powdered Metal design with 3 flutes (MPN 1653504108). 3G Electric interprets…

SKU 3G-OTH-402426

Brand
OSG
Item
Extension Tap: 9/16"-12 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer
Category
Spiral-Point Extension Taps for Multiple Materials
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Local availability & support

Delivery
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
1653504108
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"-12 UNC) is a spiral-point extension tap for multiple materials, featuring a H5 / 2B-3B, Plug Chamfer, V Coated Powdered Metal design with 3 flutes (MPN 1653504108). 3G Electric interprets your demand for this precision threading tool, sourcing it from OSG and supporting your application with specialist expertise across 14 industrial departments.

Frequently Asked Questions

What is an OSG extension tap used for?

An OSG extension tap is used to thread deep or hard-to-reach holes in multiple materials. Its extended reach allows threading in recessed areas, while the V-coated powdered metal construction provides wear resistance for consistent, accurate threads in production environments.

What are the specifications of the OSG 9/16"-12 UNC extension tap?

This OSG extension tap is 9/16"-12 UNC, with an H5 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It features a V-coated powdered metal body for durability. The manufacturer part number is 1653504108, and it is designed for spiral-point threading in multiple materials.

Where to buy OSG extension taps worldwide?

3G Electric supplies OSG extension taps worldwide, handling full logistics and customs clearance for global delivery. As a sourcing specialist across 14 industrial departments, we provide genuine OSG taps like the 9/16"-12 UNC model (MPN 1653504108) to customers worldwide.

How to select the right OSG extension tap for threading?

Select an OSG extension tap based on thread size, material, and hole depth. For UNC threads in multiple materials, choose a plug chamfer with 3 flutes for balanced cutting. The V-coated powdered metal construction offers extended tool life. Confirm the H5 tolerance matches your required thread class.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Extension Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1653502908)
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OSG Extension Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1653502908)
OSG Extension Tap: 5/8"-18 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1653504708)
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OSG Spiral Point Tap: 7/16"-14 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated Cobalt (MPN 1101513305)
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OSG Spiral Point Tap: 7/16"-14 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated Cobalt (MPN 1101513305)
OSG Spiral Point Tap: 9/16"-18 UNF, H5 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated Cobalt (MPN 1101517105)
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OSG Spiral Point Tap: 9/16"-18 UNF, H5 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated Cobalt (MPN 1101517105)
OSG Spiral Point Tap: 15/16"-20 UNEF, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651507208)
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OSG Spiral Point Tap: 15/16"-20 UNEF, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651507208)
OSG Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated Cobalt (MPN 1101511105)
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OSG Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated Cobalt (MPN 1101511105)

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