OSG Extension Tap: M4x0.7 Metric, D4 / 4H-6H, 2 Flute, Plug Chamfer
The OSG Extension Tap (M4x0.7 Metric) is a spiral-point extension tap with a D4 / 4H-6H tolerance, plug chamfer, and black oxide high-speed steel construction. It features 2 flutes and is identified by MPN 1111800201.
SKU 3G-OTH-313573
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Product Description
The OSG Extension Tap (M4x0.7 Metric) is a spiral-point extension tap with a D4 / 4H-6H tolerance, plug chamfer, and black oxide high-speed steel construction. It features 2 flutes and is identified by MPN 1111800201.
Frequently Asked Questions
What is the OSG Extension Tap M4x0.7 used for?
The OSG Extension Tap M4x0.7 is used for threading blind or deep holes in metal parts where standard taps cannot reach. It is common in automotive, aerospace, and general machining applications requiring precise internal threads in hard-to-access locations.
What are the specifications of the OSG Extension Tap M4x0.7?
This OSG tap has a metric M4x0.7 thread size, a D4 / 4H-6H tolerance class, 2 flutes, a plug chamfer, and is made from black oxide high-speed steel. The manufacturer part number is 1111800201. It is a spiral-point extension tap designed for through-hole threading.
Where to buy the OSG Extension Tap M4x0.7 worldwide?
You can source the OSG Extension Tap M4x0.7 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.
How to select the correct OSG extension tap for a job?
To select the correct OSG extension tap, match the thread size (M4x0.7), tolerance class (D4 / 4H-6H), and chamfer type (plug) to your workpiece material and hole depth. For deep or blind holes, ensure the tap length provides adequate reach. Consult OSG's technical data for material-specific speeds and feeds.
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Common applications for OSGOSG Products
3G Electric supplies OSG spiral-point extension taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















