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OSG Extension Tap: M8x0.75 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: M8x0.75 Metric, D4 / 4H-6H, 3 Flute, Plug Chamfer

The OSG Extension Tap (M8x0.75 Metric) is a spiral-point extension tap for multiple materials, featuring a D4 / 4H-6H tolerance, plug chamfer, 3 flutes, and V coated powdered metal construction (MPN 1653003308). 3G…

SKU 3G-OTH-402418

Brand
OSG
Item
Extension Tap: M8x0.75 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
1653003308
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 (M8x0.75 Metric) is a spiral-point extension tap for multiple materials, featuring a D4 / 4H-6H tolerance, plug chamfer, 3 flutes, and V coated powdered metal construction (MPN 1653003308). 3G Electric interprets this demand and sources the genuine OSG product, backed by specialist expertise across 14 industrial departments.

Frequently Asked Questions

What is the OSG Extension Tap M8x0.75 used for?

The OSG Extension Tap M8x0.75 is used for threading blind holes and deep cavities in multiple materials. Its extended reach and spiral-point design push chips forward, making it ideal for automotive, aerospace, and general manufacturing applications where standard taps cannot access the workpiece.

What are the specifications of the OSG Extension Tap M8x0.75?

This OSG tap has an M8x0.75 metric thread, D4 / 4H-6H tolerance, 3 flutes, a plug chamfer, and a V-coated powdered metal construction. The manufacturer part number is 1653003308. It is designed for threading multiple materials with precision and durability.

Where to buy the OSG Extension Tap M8x0.75 worldwide?

You can source the OSG Extension Tap M8x0.75 worldwide through 3G Electric. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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

To select the correct OSG extension tap, match the thread size (M8x0.75), tolerance class (D4 / 4H-6H), and chamfer type (plug) to your material and hole depth. For blind holes, a spiral-point design like this one pushes chips forward. Consult OSG's technical data for material-specific recommendations.

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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