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OSG Spiral Point Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute - Spiral-Point Taps for Aluminum
OSGSpiral-Point Taps for Aluminum

OSG Spiral Point Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute

SKU 3G-OTH-272852

Brand
OSG
Item
Spiral Point Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute
Category
Spiral-Point Taps for Aluminum
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Technical Specifications

OSG
Manufacturer Part Number
1101600903
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is an OSG spiral point tap used for?

An OSG spiral point tap is designed for through-hole threading in aluminum and non-ferrous materials. Its spiral point pushes chips forward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general machining applications where high-speed production and thread accuracy are critical.

What are the specifications of the OSG 1/4"-28 UNF spiral point tap?

This OSG tap has a 1/4"-28 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for aluminum and non-ferrous materials. The H3 tolerance ensures precise thread fit for 2B-3B class holes, making it suitable for high-accuracy tapping operations.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine OSG cutting tools like the 1/4"-28 UNF spiral point tap. Contact us for pricing and delivery to your location, with lead time on request.

How to select the right spiral point tap for aluminum?

For aluminum, choose a spiral point tap with a plug chamfer and H3 tolerance, like the OSG 1/4"-28 UNF. Ensure the tap matches your thread size and hole type (through-hole). Use proper cutting fluid and speed to prevent chip buildup. OSG taps are engineered for consistent performance in non-ferrous materials.

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 aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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