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OSG Extension Tap: 5/8"-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: 5/8"-18 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer

SKU 3G-OTH-402435

Brand
OSG
Item
Extension Tap: 5/8"-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
1653504708
Type
H5 / 2B-3B, Plug Chamfer, V Coated Powdered Metal
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

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. The 5/8"-18 UNF, H5 / 2B-3B, 3-flute, plug chamfer design with V coated powdered metal provides extended reach and durability for production tapping.

What are the specifications of the OSG extension tap 1653504708?

The OSG extension tap 1653504708 is a 5/8"-18 UNF thread, H5 / 2B-3B tolerance, 3-flute, plug chamfer, V coated powdered metal spiral-point tap. It is designed for threading multiple materials in deep or obstructed locations.

Where to buy OSG extension taps worldwide?

3G Electric supplies OSG extension taps worldwide, including the 5/8"-18 UNF model 1653504708. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this and other OSG tooling.

How to select the right OSG extension tap for deep hole threading?

Select an OSG extension tap based on thread size, material, and hole depth. For 5/8"-18 UNF threads, use a plug chamfer with 3 flutes and V coated powdered metal for strength. Ensure the tap length exceeds the hole depth for proper chip evacuation.

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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