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OSG 7/16"-20 UNF General Purpose Spiral-Flute Tap - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG 7/16"-20 UNF General Purpose Spiral-Flute Tap

The OSG Spiral Flute Tap (7/16"-20 UNF) is a general-purpose tap with a bottoming chamfer, made from high-speed steel. It features 3 flutes and is rated H3 / 2B-3B (MPN 1431700).

SKU 3G-OTH-230765

Brand
OSG
Item
7/16"-20 UNF General Purpose Spiral-Flute Tap
Part Number
1431700
Category
General Purpose Spiral-Flute Taps
Available to Order
Also known as:1431700OSG
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Technical Specifications

OSG
Manufacturer Part Number
1431700
Type
H3 / 2B-3B, Bottoming Chamfer, High Speed Steel
Flute
3

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

Product Description

The OSG Spiral Flute Tap (7/16"-20 UNF) is a general-purpose tap with a bottoming chamfer, made from high-speed steel. It features 3 flutes and is rated H3 / 2B-3B (MPN 1431700).

Frequently Asked Questions

What is the OSG spiral flute tap 7/16-20 UNF used for?

This OSG spiral flute tap is designed for threading blind holes in materials like steel and aluminum. Its bottoming chamfer allows threading close to the hole bottom, while the spiral flute design evacuates chips upward, preventing clogging. It is commonly used in automotive, aerospace, and general machining applications.

What are the specifications of the OSG tap 1431700?

The OSG tap 1431700 is a 7/16-20 UNF spiral flute tap with a H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is made from high speed steel. This combination ensures precise thread fit and durability for production threading in blind holes.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps like the 1431700 to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this high speed steel spiral flute tap.

How to select the correct OSG tap for a blind hole?

For blind holes, choose a spiral flute tap with a bottoming chamfer, like this OSG 7/16-20 UNF model. The spiral flute design pushes chips out of the hole, preventing breakage. Ensure the tap tolerance (H3 / 2B-3B) matches your required thread class. Use proper cutting fluid and speed for the workpiece material.

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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