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OSG Micro Drill Bit: 3.91 mm, 140° 4-Facet Point - Solid Carbide Micro Drill Bits
OSGSolid Carbide Micro Drill Bits

OSG Micro Drill Bit: 3.91 mm, 140° 4-Facet Point

The OSG Micro Drill Bit (MPN 48172391) is a solid carbide micro drill bit with a 3.91 mm diameter, a 140° 4-facet point, and TiAlN coating. It features a regular spiral flute design and a decimal equivalent of…

SKU 3G-OTH-202857

Brand
OSG
Item
Micro Drill Bit: 3.91 mm, 140° 4-Facet Point
Category
Solid Carbide Micro Drill Bits
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Technical Specifications

OSG
Manufacturer Part Number
48172391
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Micro Drill Bit (MPN 48172391) is a solid carbide micro drill bit with a 3.91 mm diameter, a 140° 4-facet point, and TiAlN coating. It features a regular spiral flute design and a decimal equivalent of 0.1539. This product is designed for precision drilling applications.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the OSG Micro Drill Bit 3.91 mm used for?

The OSG Micro Drill Bit (MPN 48172391) is used for precision drilling in industrial manufacturing, particularly in metalworking and mold-making. Its 3.91 mm diameter, 140° 4-facet point, and TiAlN coating enable accurate hole creation in hardened steels and alloys, reducing burr formation and extending tool life.

What are the specifications of the OSG Micro Drill Bit 3.91 mm?

The OSG Micro Drill Bit (MPN 48172391) has a 3.91 mm diameter, a decimal equivalent of 0.1539, a 140° 4-facet point, and TiAlN coating. It is made of solid carbide with a regular spiral flute design. These specs ensure high precision and durability in demanding drilling applications.

Where to buy the OSG Micro Drill Bit 3.91 mm worldwide?

You can source the OSG Micro Drill Bit (MPN 48172391) worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply this precision tool to customers across multiple industries.

How to select the correct OSG Micro Drill Bit for precision drilling?

To select the correct OSG Micro Drill Bit, match the diameter (e.g., 3.91 mm) and point geometry (140° 4-facet) to your material and hole tolerance. The TiAlN coating suits high-speed drilling in ferrous metals. For micro holes, ensure your spindle speed and feed rate align with OSG's recommendations for solid carbide tools.

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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