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OSG Spiral Flute Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer

SKU 3G-OTH-218989

Brand
OSG
Item
Spiral Flute Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1650512808
Type
H3 / 2B-3B, Bottoming Chamfer, V Coated Powdered Metal
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is OSG spiral flute tap 1/2-20 UNF used for?

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its bottoming chamfer allows threading close to the hole bottom, while the V coating on powdered metal provides wear resistance for production tapping.

What are the specifications of OSG spiral flute tap 1650512808?

The OSG tap has a 1/2-20 UNF thread, H3 / 2B-3B tolerance, 3 flutes, bottoming chamfer, and V coated powdered metal construction. It is designed for threading blind holes in steel and stainless steel.

Where to buy OSG spiral flute tap 1/2-20 UNF worldwide?

3G Electric supplies OSG taps worldwide. We handle full logistics and customs clearance to deliver this spiral flute tap to your facility. Contact us for pricing and lead time on this OSG 1650512808 tap.

How to select the right spiral flute tap for steel?

For blind holes in steel, choose a spiral flute tap with a bottoming chamfer like this OSG model. Ensure thread size (1/2-20 UNF) and tolerance class (H3 / 2B-3B) match your application. V coating improves tool life in stainless steel.

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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