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OSG M4x0.7 Spiral-Point Extension Tap - Spiral-Point Extension Taps
OSGSpiral-Point Extension Taps

OSG M4x0.7 Spiral-Point Extension Tap

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

Brand
OSG
Item
M4x0.7 Spiral-Point Extension Tap
Part Number
1111800201
Category
Spiral-Point Extension Taps
Available to Order
Also known as:1111800201OSG
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Technical Specifications

OSG
Manufacturer Part Number
1111800201
Type
D4 / 4H-6H, Plug Chamfer, Black Oxide High Speed Steel
Flute
2

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

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.

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. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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