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OSG Micro Drill Bit: 3.99 mm, 140° 4-Facet Point - Solid Carbide Micro Drill Bits
OSGSolid Carbide Micro Drill Bits

OSG Micro Drill Bit: 3.99 mm, 140° 4-Facet Point

The OSG Micro Drill Bit (MPN 48172399) is a solid carbide micro drill bit with a 3.99 mm diameter, a 140° 4-facet point, and TiAlN coating. It features a regular spiral flute design and a decimal equivalent of 0.1571…

SKU 3G-OTH-202737

Brand
OSG
Item
Micro Drill Bit: 3.99 mm, 140° 4-Facet Point
Category
Solid Carbide Micro Drill Bits
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Technical Specifications

OSG
Manufacturer Part Number
48172399
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Micro Drill Bit (MPN 48172399) is a solid carbide micro drill bit with a 3.99 mm diameter, a 140° 4-facet point, and TiAlN coating. It features a regular spiral flute design and a decimal equivalent of 0.1571 inches.

Frequently Asked Questions

What is the OSG Micro Drill Bit 48172399 used for?

The OSG Micro Drill Bit 48172399 is a solid carbide drill bit designed for precision micro-drilling in metals and composites. Its 140° 4-facet point and TiAlN coating improve centering and tool life in demanding industrial applications like mold making and aerospace.

What are the specifications of the OSG Micro Drill Bit 48172399?

The OSG Micro Drill Bit (MPN 48172399) has a 3.99 mm diameter, a 140° 4-facet point, and a TiAlN coating. It features a regular spiral flute design with a decimal equivalent of 0.1571 inches. The solid carbide construction provides high wear resistance.

Where to buy the OSG Micro Drill Bit 48172399 worldwide?

3G Electric supplies the OSG Micro Drill Bit 48172399 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this precision micro drill bit.

How to select the right OSG micro drill bit for my application?

Selecting the right OSG micro drill bit depends on material hardness, hole depth, and required surface finish. For general-purpose drilling in steel, the TiAlN-coated 140° 4-facet point offers good centering and chip evacuation. Consult OSG's technical data for specific feed and speed recommendations.

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 solid carbide micro drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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