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OSG Spiral Flute Tap: 5/8"-24 UNEF, H4 / 2B-3B, 3 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 5/8"-24 UNEF, H4 / 2B-3B, 3 Flute

The OSG Spiral Flute Tap (5/8"-24 UNEF) is a spiral-flute tap for steel and stainless steel, featuring an H4 / 2B-3B tolerance, 3-flute design, and modified bottoming chamfer (MPN 1650506308). 3G Electric interprets…

SKU 3G-OTH-219039

Brand
OSG
Item
Spiral Flute Tap: 5/8"-24 UNEF, H4 / 2B-3B, 3 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1650506308
Type
H4 / 2B-3B, Modified Bottoming Chamfer
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap (5/8"-24 UNEF) is a spiral-flute tap for steel and stainless steel, featuring an H4 / 2B-3B tolerance, 3-flute design, and modified bottoming chamfer (MPN 1650506308). 3G Electric interprets demand and delivers this genuine industrial tool across 14 departments — with specialist depth in combustion, pumps, and controls as an authorised distributor.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the OSG Spiral Flute Tap 5/8"-24 UNEF used for?

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging. The modified bottoming chamfer allows threading close to the bottom of the hole, making it ideal for precision applications requiring deep threads.

What are the specifications of the OSG Spiral Flute Tap 5/8"-24 UNEF?

This tap has a thread size of 5/8"-24 UNEF, with a H4 / 2B-3B tolerance class. It features 3 flutes and a modified bottoming chamfer. The manufacturer part number is 1650506308. It is designed for threading steel and stainless steel in blind hole applications.

Where to buy the OSG Spiral Flute Tap 5/8"-24 UNEF worldwide?

3G Electric supplies the OSG Spiral Flute Tap 5/8"-24 UNEF worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this OSG tap.

How to select the correct OSG spiral flute tap for steel?

For threading blind holes in steel, select a spiral flute tap with a modified bottoming chamfer, like this OSG 5/8"-24 UNEF tap. Ensure the thread class (H4 / 2B-3B) matches your required fit. Use appropriate cutting fluid for steel to extend tool life and achieve clean threads.

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 spiral-flute taps for steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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