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OSG Micro Drill Bit: 3.73 mm, 140° 4-Facet Point - Solid Carbide Micro Drill Bits
OSGSolid Carbide Micro Drill Bits

OSG Micro Drill Bit: 3.73 mm, 140° 4-Facet Point

The OSG Micro Drill Bit (MPN 48172373) is a solid carbide micro drill bit with a 3.73 mm diameter, a 140° 4-facet point, and TiAlN coating. It features a regular spiral flute design and a decimal equivalent of 0.1469…

SKU 3G-OTH-202910

Brand
OSG
Item
Micro Drill Bit: 3.73 mm, 140° 4-Facet Point
Category
Solid Carbide Micro Drill Bits
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Technical Specifications

OSG
Manufacturer Part Number
48172373
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Micro Drill Bit (MPN 48172373) is a solid carbide micro drill bit with a 3.73 mm diameter, a 140° 4-facet point, and TiAlN coating. It features a regular spiral flute design and a decimal equivalent of 0.1469 inches.

Frequently Asked Questions

What is the OSG Micro Drill Bit 48172373 used for?

The OSG Micro Drill Bit 48172373 is used for precision drilling in hardened steels, stainless steels, and other tough materials. Its 140° 4-facet point and TiAlN coating reduce thrust and improve chip evacuation, making it ideal for high-accuracy micro-machining in industries like aerospace, medical device, and mold making.

What are the specifications of the OSG Micro Drill Bit 48172373?

The OSG Micro Drill Bit 48172373 has a 3.73 mm diameter, a decimal equivalent of 0.1469 inches, a 140° 4-facet point, and TiAlN coating. It is made of solid carbide with a regular spiral flute design. The manufacturer part number is 48172373.

Where to buy the OSG Micro Drill Bit 48172373 worldwide?

You can source the OSG Micro Drill Bit 48172373 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine OSG tooling to procurement teams globally.

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

Select the OSG micro drill bit based on material hardness, hole depth, and tolerance requirements. For hardened steels, choose a TiAlN-coated bit like the 48172373 with a 140° point to reduce walking. Match the flute design (regular spiral for general use) to chip evacuation needs. Consult OSG's technical data for speed and feed 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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