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OSG Extension Tap: 7/16"-20 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: 7/16"-20 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer

The OSG Extension Tap (7/16"-20 UNF) is a spiral-point extension tap for multiple materials, specified as H5 / 2B-3B with a Plug Chamfer and V Coated Powdered Metal construction. It features 3 flutes and is…

SKU 3G-OTH-402406

Brand
OSG
Item
Extension Tap: 7/16"-20 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
1653503508
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 (7/16"-20 UNF) is a spiral-point extension tap for multiple materials, specified as H5 / 2B-3B with a Plug Chamfer and V Coated Powdered Metal construction. It features 3 flutes and is identified by MPN 1653503508.

Frequently Asked Questions

What is the OSG extension tap 7/16"-20 UNF 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 is critical. The V coating and powdered metal construction enhance tool life and performance.

What are the specifications of the OSG extension tap 7/16"-20 UNF?

The OSG extension tap has a thread size of 7/16"-20 UNF, with an H5 tolerance for 2B-3B class fit. It features 3 flutes, a plug chamfer, and a V coating on powdered metal. The manufacturer part number is 1653503508. This tap is designed for extended reach applications in multiple materials.

Where to buy the OSG extension tap 7/16"-20 UNF worldwide?

You can source the OSG extension tap 7/16"-20 UNF through 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 supply this OSG tap to procurement teams and maintenance engineers globally.

How to select the right OSG extension tap for threading?

Select an OSG extension tap based on thread size, material, and hole type. For 7/16"-20 UNF threads in multiple materials, this tap's plug chamfer and spiral-point design suit through holes. Ensure the H5 tolerance matches your required class fit (2B-3B). Consult OSG's technical data for optimal speeds and feeds; 3G Electric can provide sourcing support.

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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