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OSG Spiral Flute Tap: 5/16"-18 UNC, H7 / 2B-3B, 3 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 5/16"-18 UNC, H7 / 2B-3B, 3 Flute

The OSG Spiral Flute Tap (5/16"-18 UNC, MPN 2941001) is a general-purpose spiral-flute tap with an H7 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. This tool is designed for threading applications…

SKU 3G-OTH-231044

Brand
OSG
Item
Spiral Flute Tap: 5/16"-18 UNC, H7 / 2B-3B, 3 Flute
Part Number
2941001
Category
General Purpose Spiral-Flute Taps
Available to Order
Also known as:2941001OSG
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Technical Specifications

OSG
Manufacturer Part Number
2941001
Type
H7 / 2B-3B, Modified Bottoming Chamfer
Flute
3

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

Product Description

The OSG Spiral Flute Tap (5/16"-18 UNC, MPN 2941001) is a general-purpose spiral-flute tap with an H7 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. This tool is designed for threading applications requiring precise fit control.

Frequently Asked Questions

What is the OSG spiral flute tap 5/16-18 UNC used for?

This OSG spiral flute tap is designed for threading blind holes in ferrous and non-ferrous materials. Its spiral flute design evacuates chips upward, making it ideal for general-purpose tapping in machining, automotive, and industrial maintenance applications where chip clearance is critical.

What are the specifications of the OSG 2941001 tap?

The OSG 2941001 is a 5/16-18 UNC spiral flute tap with 3 flutes, a modified bottoming chamfer, and a thread tolerance of H7 / 2B-3B. It is designed for general-purpose threading in blind holes, providing reliable chip evacuation and thread accuracy.

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 sourcing partner, we provide genuine OSG cutting tools like the 2941001 spiral flute tap, ensuring you receive the correct specifications for your threading application.

How to select the right OSG tap for blind holes?

For blind holes, choose a spiral flute tap like this OSG 5/16-18 UNC model, which pushes chips out of the hole. Ensure the chamfer type (modified bottoming) matches your thread depth requirements. Always verify thread tolerance (H7 / 2B-3B) and material compatibility for optimal performance.

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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