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OSG M4x0.7 General Purpose Spiral-Flute Tap - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG M4x0.7 General Purpose Spiral-Flute Tap

The OSG Spiral Flute Tap is a general-purpose spiral-flute tap in M4x0.7 Metric size, featuring a D4 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer (MPN 2990608).

SKU 3G-OTH-230331

Brand
OSG
Item
M4x0.7 General Purpose Spiral-Flute Tap
Part Number
2990608
Category
General Purpose Spiral-Flute Taps
Available to Order
Also known as:2990608OSG
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Local office
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Phone
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Technical Specifications

OSG
Manufacturer Part Number
2990608
Type
D4 / 4H-6H, Modified Bottoming Chamfer
Flute
3

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

Product Description

The OSG Spiral Flute Tap is a general-purpose spiral-flute tap in M4x0.7 Metric size, featuring a D4 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer (MPN 2990608).

Frequently Asked Questions

What is an OSG spiral flute tap used for?

An OSG spiral flute tap is used for threading blind holes in materials such as steel, stainless steel, and aluminum. Its spiral design pushes chips upward, preventing clogging and ensuring clean threads. This M4x0.7 metric tap with a modified bottoming chamfer is ideal for through-hole or deep-hole applications.

What are the specifications of the OSG spiral flute tap M4x0.7?

This OSG tap has a metric thread size of M4x0.7, a D4 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. The MPN is 2990608. It is designed for general-purpose threading in blind holes, with a spiral flute geometry that efficiently evacuates chips.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance for international orders. As a global industrial solutions provider, we source genuine OSG cutting tools like the M4x0.7 spiral flute tap (MPN 2990608) and deliver them to your facility, regardless of location.

How to select the right OSG tap for blind holes?

For blind holes, choose a spiral flute tap like this OSG M4x0.7 model, as its flutes push chips out of the hole. Ensure the chamfer type matches your application: a modified bottoming chamfer allows threading close to the hole bottom. Match the tap tolerance (D4 / 4H-6H) to your thread class requirement.

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

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