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OSG M4.5x0.5 Spiral-Point Extension Tap - Spiral-Point Extension Taps for Multiple Materials
OSGSpiral-Point Extension Taps for Multiple Materials

OSG M4.5x0.5 Spiral-Point Extension Tap

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
M4.5x0.5 Spiral-Point Extension Tap
Part Number
1653001808
Category
Spiral-Point Extension Taps for Multiple Materials
Available to Order
Also known as:1653001808OSG
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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
Aerospace — OSG STI taps for installing helical wire thread inserts in aluminum components
Automotive — OSG spiral-point taps for through-hole threading in engine blocks and transmission cases
General machining — OSG spiral-flute taps for blind-hole threading in steel and stainless steel parts
Heavy equipment repair — OSG thread-forming taps for creating threads in ductile iron and steel castings
Precision manufacturing — OSG solid carbide chucking reamers for finishing holes in hydraulic manifolds
Die and mold — OSG coolant-through solid carbide drills for deep-hole drilling in tool steels
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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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