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OSG Spiral Point Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 5/16"-24 UNF, H2 / 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 H2 / 2B-3B tolerance class and 3 flutes (MPN 1226400).

SKU 3G-OTH-214587

Brand
OSG
Item
Spiral Point Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Technical Specifications

OSG
Manufacturer Part Number
1226400
Type
H2 / 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 H2 / 2B-3B tolerance class and 3 flutes (MPN 1226400).

Frequently Asked Questions

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

This OSG spiral point tap is designed for through-hole threading in ferrous and non-ferrous materials. Its 3-flute design pushes chips forward, reducing chip clogging and tap breakage. Common applications include automotive, aerospace, and general manufacturing where UNF threads are required.

What are the specifications of the OSG 1226400 tap?

The OSG 1226400 is a 5/16-24 UNF spiral point tap with a H2 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is made from high-speed steel and is suitable for through-hole threading. The H2 limit ensures precise thread fit for 2B-3B class applications.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead times on the OSG 1226400 spiral point tap and other cutting tools.

How to select the correct OSG tap for UNF threads?

Select the tap based on thread size (5/16-24 UNF), material (high-speed steel for general use), and chamfer type (plug for through-holes). The H2 / 2B-3B tolerance ensures proper fit. For best results, match the tap to the workpiece hardness and use appropriate cutting fluid.

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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