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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-217760

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
1645003482
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

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

OSG spiral flute taps are designed for threading blind holes in steel and stainless steel. The #3-48 UNC size with modified bottoming chamfer allows threading close to the hole bottom. The spiral flute design evacuates chips upward, preventing chip clogging in deep or blind-hole applications.

What are the specifications of OSG spiral flute tap 1645003482?

This OSG tap is a #3-48 UNC spiral flute tap with a H2 / 2B-3B tolerance class. It has 2 flutes and a modified bottoming chamfer. The manufacturer part number is 1645003482. It is intended for threading steel and stainless steel in blind-hole applications.

Where to buy OSG spiral flute tap 1645003482 worldwide?

3G Electric supplies OSG spiral flute taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this OSG tap to any country.

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

Select a tap with the correct thread size, pitch, and chamfer type for your hole. For blind holes in steel, use a spiral flute tap with a bottoming or modified bottoming chamfer. Ensure the tap tolerance (e.g., H2 / 2B-3B) matches your required thread class. OSG taps are engineered for steel and 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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