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OSG Spiral Flute Tap: #3-48 UNC, H2 / 2B-3B, 2 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: #3-48 UNC, H2 / 2B-3B, 2 Flute

SKU 3G-OTH-218558

Brand
OSG
Item
Spiral Flute Tap: #3-48 UNC, H2 / 2B-3B, 2 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1748701
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG spiral flute tap #3-48 UNC used for?

The OSG spiral flute tap #3-48 UNC is designed for threading steel and stainless steel. Its spiral flute design evacuates chips upward, making it ideal for blind-hole threading. The modified bottoming chamfer allows threading close to the bottom of the hole. It is commonly used in precision machining and toolmaking applications.

What are the specifications of the OSG spiral flute tap 1748701?

The OSG spiral flute tap MPN 1748701 has a #3-48 UNC thread size, H2 / 2B-3B tolerance, and a 2-flute design with a modified bottoming chamfer. It is a spiral flute tap intended for steel and stainless steel. The H2 tolerance ensures precise thread fit for class 2B and 3B applications.

Where to buy OSG spiral flute taps worldwide?

You can source OSG spiral flute taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG 1748701 tap. We supply genuine OSG tooling to customers across industries.

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

To select the correct OSG spiral flute tap for steel, match the thread size (e.g., #3-48 UNC) and tolerance (H2 / 2B-3B) to your application. For blind holes, choose a spiral flute design with a modified bottoming chamfer. Ensure the tap is rated for steel and stainless steel. OSG taps are precision-ground for consistent performance.

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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