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OSG Spiral Point Tap: #4-40 UNC, H8, 3 Flute, Plug Chamfer - Spiral-Point Taps for Aerospace Materials
OSGSpiral-Point Taps for Aerospace Materials

OSG Spiral Point Tap: #4-40 UNC, H8, 3 Flute, Plug Chamfer

SKU 3G-OTH-232186

Brand
OSG
Item
Spiral Point Tap: #4-40 UNC, H8, 3 Flute, Plug Chamfer
Category
Spiral-Point Taps for Aerospace Materials
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Technical Specifications

OSG
Manufacturer Part Number
1101515505
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

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

This OSG spiral point tap is designed for threading #4-40 UNC holes in aerospace materials. Its TiN-coated cobalt construction and plug chamfer make it suitable for through-hole tapping in high-strength alloys, reducing chip congestion and extending tool life.

What are the specifications of the OSG spiral point tap #4-40 UNC?

The OSG spiral point tap has a #4-40 UNC thread size, H8 tolerance, 3 flutes, and a plug chamfer. It is made of TiN-coated cobalt, with manufacturer part number 1101515505. This tap is optimized for aerospace materials and through-hole applications.

Where to buy OSG spiral point taps in worldwide?

3G Electric supplies OSG spiral point taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this #4-40 UNC tap.

How to select the right OSG spiral point tap for aerospace materials?

Select an OSG spiral point tap based on thread size, tolerance (e.g., H8), and coating. For aerospace materials, TiN-coated cobalt taps like this #4-40 UNC model resist wear and heat. Ensure the chamfer type (plug) matches your hole depth—through holes benefit from spiral point design.

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

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