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OSG 5/8"-11 UNC Spiral-Point Extension Tap - Spiral-Point Extension Taps for Multiple Materials
OSGSpiral-Point Extension Taps for Multiple Materials

OSG 5/8"-11 UNC Spiral-Point Extension Tap

The OSG Extension Tap (5/8"-11 UNC) is a spiral-point extension tap for multiple materials, featuring a H5 / 2B-3B tolerance, plug chamfer, V Coated Powdered Metal construction, and 3 flutes (MPN 1653504508). 3G…

SKU 3G-OTH-402436

Brand
OSG
Item
5/8"-11 UNC Spiral-Point Extension Tap
Category
Spiral-Point Extension Taps for Multiple Materials
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
1653504508
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 (5/8"-11 UNC) is a spiral-point extension tap for multiple materials, featuring a H5 / 2B-3B tolerance, plug chamfer, V Coated Powdered Metal construction, and 3 flutes (MPN 1653504508). 3G Electric sources this genuine industrial cutting tool 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 5/8"-11 UNC used for?

This OSG extension tap is designed for threading blind or through holes in multiple materials, including steel, stainless steel, and aluminum. Its spiral-point design pushes chips forward, making it ideal for production environments where chip evacuation and thread accuracy are critical.

What are the specifications of the OSG Extension Tap 5/8"-11 UNC?

The OSG extension tap has a 5/8"-11 UNC thread size, H5 tolerance for 2B-3B class fit, 3 flutes, and a plug chamfer. It features a V-coated powdered metal construction for wear resistance. The manufacturer part number is 1653504508.

Where to buy the OSG Extension Tap 5/8"-11 UNC worldwide?

3G Electric supplies the OSG extension tap worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this tap to any country.

How to select the correct OSG extension tap for threading?

Select the OSG extension tap based on thread size (5/8"-11 UNC), material (powdered metal with V-coating for durability), and hole type (plug chamfer for blind holes). Ensure the tap's H5 tolerance matches your required thread class (2B-3B). Consult OSG's technical data for optimal speeds and feeds.

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)
OSG
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 Extension Tap: 5/8"-18 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1653504708)
OSG Spiral Point Tap: 5/8"-18 UNF, H5 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated Cobalt (MPN 1101517905)
OSG
OSG Spiral Point Tap: 5/8"-18 UNF, H5 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated Cobalt (MPN 1101517905)
OSG Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated Cobalt (MPN 1101511105)
OSG
OSG Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated Cobalt (MPN 1101511105)
Spiral-point tap for through-hole threading in aerospace materials. Features TiN-coated cobalt construction, H5 tolerance (2B-3B), plug chamfer, and 3 flutes for efficient chip evacuation. Suitable for high-strength alloys
OSG
Spiral-point tap for through-hole threading in aerospace materials. Features TiN-coated cobalt construction, H5 tolerance (2B-3B), plug chamfer, and 3 flutes for efficient chip evacuation. Suitable for high-strength alloys
OSG Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1700608)
OSG
OSG Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1700608)

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