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OSG Spiral Flute Tap: #5-40 UNC, H2 / 2B-3B, 3 Flute - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: #5-40 UNC, H2 / 2B-3B, 3 Flute

SKU 3G-OTH-230149

Brand
OSG
Item
Spiral Flute Tap: #5-40 UNC, H2 / 2B-3B, 3 Flute
Category
General Purpose Spiral-Flute Taps
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Technical Specifications

OSG
Manufacturer Part Number
2907008
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is OSG spiral flute tap #5-40 UNC used for?

This OSG spiral flute tap is designed for threading blind holes in materials like steel and aluminum. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads in general-purpose machining applications.

What are the specifications of OSG tap 2907008?

The OSG tap 2907008 is a #5-40 UNC spiral flute tap with H2 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is suitable for threading blind holes to class 2B or 3B fit in general-purpose industrial applications.

Where to buy OSG spiral flute tap #5-40 UNC worldwide?

3G Electric supplies and delivers the OSG spiral flute tap #5-40 UNC (MPN 2907008) worldwide. We handle full logistics and customs clearance, ensuring reliable delivery to your facility regardless of location.

How to select the right spiral flute tap for blind holes?

For blind holes, choose a spiral flute tap with a modified bottoming chamfer like this OSG #5-40 UNC. The spiral flutes pull chips upward, while the chamfer allows threading close to the hole bottom. Match tap tolerance (H2 / 2B-3B) to your thread class requirement.

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 general purpose spiral-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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