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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

SKU 3G-OTH-215487

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
1226405
Type
H2 / 2B-3B, Plug Chamfer, TiN Coated High Speed Steel
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

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 metalworking. Its TiN coating reduces friction and extends tool life, making it suitable for production tapping in steel, stainless steel, and cast iron across general manufacturing and maintenance applications.

What are the specifications of the OSG 1226405 tap?

The OSG 1226405 is a 5/16-24 UNF spiral point tap with a plug chamfer, 3 flutes, and TiN coated high speed steel. It has a thread class of H2 / 2B-3B, ensuring precise fit for standard UNF threaded holes in industrial components.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps like the 1226405 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote on this spiral point tap or other OSG tooling for your production needs.

How to select the right spiral point tap for UNF threads?

For UNF threads like 5/16-24, choose a spiral point tap with a plug chamfer for through holes. Match the thread class (e.g., H2 / 2B-3B) to your tolerance requirements. TiN coating improves wear resistance in harder materials. OSG taps are a reliable choice for consistent thread quality.

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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