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OSG M7x1 General Purpose Spiral-Flute Tap - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG M7x1 General Purpose Spiral-Flute Tap

The OSG Spiral Flute Tap (MPN 2991108) is a general-purpose spiral-flute tap for M7x1 metric threads, featuring a D5 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. This tool is designed for…

SKU 3G-OTH-229991

Brand
OSG
Item
M7x1 General Purpose Spiral-Flute Tap
Part Number
2991108
Category
General Purpose Spiral-Flute Taps
Available to Order
Also known as:2991108OSG
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Technical Specifications

OSG
Manufacturer Part Number
2991108
Type
D5 / 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 (MPN 2991108) is a general-purpose spiral-flute tap for M7x1 metric threads, featuring a D5 / 4H-6H tolerance class, 3 flutes, and a modified bottoming chamfer. This tool is designed for threading blind holes, with the spiral flute design aiding chip evacuation.

Frequently Asked Questions

What is the OSG spiral flute tap M7x1 used for?

The OSG spiral flute tap M7x1 is used for threading blind holes in materials such as steel, stainless steel, and aluminum. Its spiral flute design lifts chips upward, preventing clogging and ensuring clean threads. It is ideal for automotive, aerospace, and general manufacturing applications requiring precise metric threads.

What are the specifications of the OSG spiral flute tap MPN 2991108?

The OSG spiral flute tap MPN 2991108 has a thread size of M7x1 metric, a tolerance class of D5 / 4H-6H, 3 flutes, and a modified bottoming chamfer. It is designed for general purpose threading in blind holes, providing accurate thread depth and chip evacuation.

Where to buy OSG taps in worldwide?

You can source OSG taps 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 times on the OSG spiral flute tap MPN 2991108 and other OSG tooling.

How to select the correct OSG tap for blind holes?

To select the correct OSG tap for blind holes, match the thread size (e.g., M7x1) and tolerance class (e.g., D5 / 4H-6H) to your application. Choose a spiral flute design for chip evacuation and a modified bottoming chamfer for threading close to the hole bottom. Consult OSG's technical data for material-specific recommendations.

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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