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OSG Spiral Point Tap: #12-28 UNF, H3 / 2B-3B, 3 Flute - Spiral-Point Taps for Steel & Stainless Steel
OSGSpiral-Point Taps for Steel & Stainless Steel

OSG Spiral Point Tap: #12-28 UNF, H3 / 2B-3B, 3 Flute

SKU 3G-OTH-224005

Brand
OSG
Item
Spiral Point Tap: #12-28 UNF, H3 / 2B-3B, 3 Flute
Category
Spiral-Point Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1728301
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is OSG spiral point tap #12-28 UNF used for?

This OSG spiral point tap is designed for threading through-holes in steel and stainless steel. Its 3-flute, plug chamfer design pushes chips forward, making it ideal for production tapping in automotive, aerospace, and general manufacturing applications.

What are the specifications of OSG spiral point tap 1728301?

The OSG spiral point tap MPN 1728301 is #12-28 UNF size with H3 / 2B-3B thread tolerance. It has 3 flutes and a plug chamfer, designed for steel and stainless steel. This tap is suitable for through-hole threading in industrial machining operations.

Where to buy OSG spiral point tap 1728301 worldwide?

3G Electric supplies OSG spiral point tap 1728301 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this precision threading tool.

How to select the right spiral point tap for steel?

For steel and stainless steel, choose a spiral point tap like this OSG #12-28 UNF with plug chamfer. Ensure thread class (H3 / 2B-3B) matches your hole tolerance. Use proper cutting fluid and speed 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-point 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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