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OSG Spiral Flute Tap: #4-40 UNC, H3 / 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, H3 / 2B-3B, 2 Flute

SKU 3G-OTH-217762

Brand
OSG
Item
Spiral Flute Tap: #4-40 UNC, H3 / 2B-3B, 2 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1754108
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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?

OSG spiral flute taps are designed for threading blind holes in steel and stainless steel. The #4-40 UNC size with modified bottoming chamfer allows threading close to the hole bottom, making it ideal for automotive, aerospace, and general manufacturing applications.

What are the specifications of OSG spiral flute tap 1754108?

The OSG spiral flute tap MPN 1754108 is #4-40 UNC with H3 / 2B-3B tolerance, 2 flute design, and modified bottoming chamfer. It is intended for threading steel and stainless steel. These specs ensure precise thread fit and chip evacuation in blind holes.

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

3G Electric supplies OSG spiral flute taps worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the OSG 1754108 tap.

How to select the right spiral flute tap for steel?

For steel, choose a spiral flute tap with appropriate thread size and chamfer type. OSG taps like the #4-40 UNC with modified bottoming chamfer suit blind holes. Ensure the tap tolerance (H3 / 2B-3B) matches your required thread class. Consult OSG technical data for material-specific speeds and feeds.

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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