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OSG Extension Tap: M4x0.5 Metric, D3 / 4H-6H, 3 Flute, Plug Chamfer - Spiral-Point Extension Taps for Multiple Materials
OSGSpiral-Point Extension Taps for Multiple Materials

OSG Extension Tap: M4x0.5 Metric, D3 / 4H-6H, 3 Flute, Plug Chamfer

The OSG Extension Tap (M4x0.5 Metric) is a spiral-point extension tap for multiple materials, featuring a D3 / 4H-6H tolerance, plug chamfer, V coated powdered metal construction, and 3 flutes (MPN 1653001608).

SKU 3G-OTH-402449

Brand
OSG
Item
Extension Tap: M4x0.5 Metric, D3 / 4H-6H, 3 Flute, Plug Chamfer
Category
Spiral-Point Extension Taps for Multiple Materials
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Technical Specifications

OSG
Manufacturer Part Number
1653001608
Type
D3 / 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 (M4x0.5 Metric) is a spiral-point extension tap for multiple materials, featuring a D3 / 4H-6H tolerance, plug chamfer, V coated powdered metal construction, and 3 flutes (MPN 1653001608).

Frequently Asked Questions

What is the OSG Extension Tap M4x0.5 used for?

The OSG Extension Tap M4x0.5 is used for threading blind or through holes in multiple materials, including steel and aluminum. Its extended reach allows access to deep or recessed areas. The V-coated powdered metal construction provides wear resistance, while the plug chamfer and 3-flute spiral-point design help push chips forward for cleaner threads.

What are the specifications of the OSG Extension Tap M4x0.5?

This OSG tap has a metric M4x0.5 thread size, a D3 / 4H-6H tolerance class, and a plug chamfer. It features 3 flutes, a spiral-point design, and a V-coated powdered metal body. The manufacturer part number is 1653001608. It is designed for threading multiple materials and is available as SKU 54ML85.

Where to buy the OSG Extension Tap M4x0.5 worldwide?

You can source the OSG Extension Tap M4x0.5 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We supply this OSG tap to procurement teams and maintenance engineers globally.

How to select the correct OSG Extension Tap for threading?

To select the correct OSG extension tap, match the thread size (e.g., M4x0.5) and tolerance class (D3 / 4H-6H) to your application. Consider material type—OSG's V-coated powdered metal taps suit steel and aluminum. Choose plug chamfer for blind holes or taper for through holes. Verify flute count and reach length for your hole depth.

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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