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OSG Spiral Flute Tap: 5/8"-18 UNF, H3 / 2B-3B, 4 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 5/8"-18 UNF, H3 / 2B-3B, 4 Flute

SKU 3G-OTH-230403

Brand
OSG
Item
Spiral Flute Tap: 5/8"-18 UNF, H3 / 2B-3B, 4 Flute
Category
General Purpose Spiral-Flute Taps
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Technical Specifications

OSG
Manufacturer Part Number
1433308
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG spiral flute tap 5/8-18 UNF used for?

This OSG spiral flute tap is designed for threading blind holes in materials like steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG tap MPN 1433308?

The OSG tap MPN 1433308 is a 5/8-18 UNF spiral flute tap with a bottoming chamfer and 4 flutes. It has a thread tolerance of H3 / 2B-3B, suitable for producing Class 2B or 3B threads. This general-purpose tap is ideal for blind hole threading in various materials.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps like the 5/8-18 UNF spiral flute tap to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this and other OSG threading tools.

How to select the right spiral flute tap for blind holes?

For blind holes, choose a spiral flute tap with a bottoming chamfer to thread close to the hole bottom. Ensure the tap's thread tolerance matches your required fit, such as H3 for 2B or 3B classes. OSG taps like this 5/8-18 UNF model are designed for efficient chip evacuation in blind hole applications.

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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