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OSG Spiral Point Tap: 5/16"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 5/16"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer

The OSG Spiral Point Tap (5/16"-24 UNF) is a general-purpose spiral-point tap with a plug chamfer, made from high-speed steel. It features an H4 / 2B-3B tolerance class and a 3-flute design (MPN 1236400).

SKU 3G-OTH-215143

Brand
OSG
Item
Spiral Point Tap: 5/16"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Technical Specifications

OSG
Manufacturer Part Number
1236400
Type
H4 / 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 Point Tap (5/16"-24 UNF) is a general-purpose spiral-point tap with a plug chamfer, made from high-speed steel. It features an H4 / 2B-3B tolerance class and a 3-flute design (MPN 1236400).

Frequently Asked Questions

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

The OSG spiral point tap is used for threading blind or through holes in ferrous and non-ferrous materials. Its spiral point design pushes chips forward, reducing chip clogging and enabling faster tapping in production environments. It is commonly used in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral point tap 5/16-24 UNF?

This OSG tap has a 5/16-24 UNF thread size, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is made from high-speed steel (HSS) and is designed for general-purpose tapping. The manufacturer part number is 1236400.

Where to buy the OSG spiral point tap 5/16-24 UNF worldwide?

You can source the OSG spiral point tap 5/16-24 UNF through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to select the correct OSG spiral point tap for my application?

Select the tap based on thread size, pitch, and material. For through holes, a spiral point tap like this OSG model pushes chips ahead. Ensure the tap tolerance (H4 / 2B-3B) matches your required thread class. Use proper cutting fluid and speed for the workpiece material to extend tool life.

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

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