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OSG Spiral Flute Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute

SKU 3G-OTH-218007

Brand
OSG
Item
Spiral Flute Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1763901
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is OSG spiral flute tap #4-40 UNC used for?

This OSG spiral flute tap is designed for threading #4-40 UNC holes in steel and stainless steel. Its modified bottoming chamfer and 2-flute design efficiently evacuate chips, making it ideal for through-hole and blind-hole applications in industrial machining and maintenance.

What are the specifications of OSG spiral flute tap 1763901?

The OSG spiral flute tap MPN 1763901 has a #4-40 UNC thread size, H2 / 2B-3B tolerance class, 2 flutes, and a modified bottoming chamfer. It is designed for steel and stainless steel, ensuring precise thread forming in demanding industrial environments.

Where to buy OSG spiral flute tap #4-40 UNC worldwide?

3G Electric supplies and delivers the OSG spiral flute tap #4-40 UNC (MPN 1763901) worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure reliable delivery to your facility, regardless of location.

How to select the right spiral flute tap for steel?

Select a spiral flute tap like this OSG #4-40 UNC for steel and stainless steel when you need efficient chip evacuation in blind holes. Match the thread size, chamfer type (modified bottoming here), and tolerance class (H2 / 2B-3B) to your material and hole requirements for optimal thread quality.

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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