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OSG Extension Tap: M4.5x0.5 Metric, D4 / 4H-6H, 3 Flute, Plug Chamfer - Spiral-Point Extension Taps for Multiple Materials
OSGSpiral-Point Extension Taps for Multiple Materials

OSG Extension Tap: M4.5x0.5 Metric, D4 / 4H-6H, 3 Flute, Plug Chamfer

The OSG Extension Tap is a spiral-point extension tap for multiple materials, with an M4.5x0.5 Metric thread. It features a D4 / 4H-6H tolerance, 3 flutes, a plug chamfer, and a V coated powdered metal construction…

SKU 3G-OTH-402412

Brand
OSG
Item
Extension Tap: M4.5x0.5 Metric, D4 / 4H-6H, 3 Flute, Plug Chamfer
Category
Spiral-Point Extension Taps for Multiple Materials
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Technical Specifications

OSG
Manufacturer Part Number
1653001808
Type
D4 / 4H-6H, 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 is a spiral-point extension tap for multiple materials, with an M4.5x0.5 Metric thread. It features a D4 / 4H-6H tolerance, 3 flutes, a plug chamfer, and a V coated powdered metal construction (MPN 1653001808).

Frequently Asked Questions

What is the OSG Extension Tap M4.5x0.5 used for?

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

What are the specifications of the OSG Extension Tap M4.5x0.5?

The OSG Extension Tap has a metric thread size of M4.5 with a 0.5 mm pitch. It features a D4 / 4H-6H tolerance class, 3 flutes, a plug chamfer, and a V coating. The tool is made from powdered metal and has a spiral-point design. The manufacturer part number is 1653001808.

Where to buy the OSG Extension Tap M4.5x0.5 worldwide?

3G Electric supplies the OSG Extension Tap M4.5x0.5 (MPN 1653001808) to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time for this precision threading tool.

How to select the correct OSG extension tap for my application?

To select the correct OSG extension tap, match the thread size (M4.5x0.5) and tolerance class (D4 / 4H-6H) to your hole requirements. Consider material type and hole depth—spiral-point taps are best for through holes or blind holes with chip clearance. Consult OSG's technical data for recommended 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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