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OSG Spiral Point Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

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

SKU 3G-OTH-214422

Brand
OSG
Item
Spiral Point Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute
Category
General Purpose Spiral-Point Taps
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Technical Specifications

OSG
Manufacturer Part Number
1206501
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is OSG Spiral Point Tap #4-40 UNC used for?

This OSG spiral point tap is used for threading blind or through holes in ferrous and non-ferrous materials. Its bottoming chamfer and 2-flute design push chips forward, making it ideal for production tapping in automotive, aerospace, and general machining applications.

What are the specifications of OSG Spiral Point Tap #4-40 UNC?

This OSG tap is #4-40 UNC with a H2 / 2B-3B thread class, 2 flutes, and a bottoming chamfer. The spiral point design directs chips ahead of the tap, reducing clogging. It is suitable for through-hole and blind-hole threading in a range of materials.

Where to buy OSG Spiral Point Tap #4-40 UNC worldwide?

3G Electric supplies and delivers OSG spiral point taps worldwide. We handle full logistics and customs clearance, ensuring your order reaches any global destination. Contact us for availability and lead time on this #4-40 UNC tap.

How to select the right OSG tap for threading?

Select an OSG tap based on thread size, material, and hole type. For through holes, a spiral point tap like this #4-40 UNC pushes chips forward. For blind holes, consider a spiral flute tap. Match the thread class (H2 / 2B-3B) to your tolerance requirements.

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

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