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OSG Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer

The OSG Spiral Flute Tap (5/16"-24 UNF, MPN 1430600) is a general-purpose tap with a plug chamfer, 3 flutes, and high-speed steel construction. It is specified as H3 / 2B-3B for thread class compatibility.

SKU 3G-OTH-230350

Brand
OSG
Item
Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer
Category
General Purpose Spiral-Flute Taps
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Technical Specifications

OSG
Manufacturer Part Number
1430600
Type
H3 / 2B-3B, Plug 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 (5/16"-24 UNF, MPN 1430600) is a general-purpose tap with a plug chamfer, 3 flutes, and high-speed steel construction. It is specified as H3 / 2B-3B for thread class compatibility.

Frequently Asked Questions

What is the OSG spiral flute tap 5/16-24 UNF used for?

This OSG spiral flute tap is designed for threading blind holes in materials such as steel and aluminum. Its 3-flute design and plug chamfer efficiently evacuate chips upward, making it ideal for general-purpose tapping in automotive, aerospace, and industrial manufacturing applications.

What are the specifications of the OSG 1430600 tap?

The OSG 1430600 is a 5/16-24 UNF spiral flute tap with a H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is made from high-speed steel and is suitable for threading blind holes. The H3 / 2B-3B designation ensures precise fit for class 2B or 3B threads.

Where to buy OSG taps in worldwide?

You can source the OSG 1430600 spiral flute tap through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this and other OSG tapping tools.

How to select the correct OSG tap for blind holes?

For blind holes, choose a spiral flute tap like this OSG 5/16-24 UNF model, as its flutes push chips out of the hole. Ensure the tap's thread class (H3 / 2B-3B) matches your required tolerance. Use proper cutting fluid and follow OSG's recommended speeds and feeds for your material.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts

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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