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OSG Micro Drill Bit: 3.78 mm, 140° 4-Facet Point - Solid Carbide Micro Drill Bits
OSGSolid Carbide Micro Drill Bits

OSG Micro Drill Bit: 3.78 mm, 140° 4-Facet Point

The OSG Micro Drill Bit (MPN 48172378) is a solid carbide micro drill bit with a 3.78 mm diameter, 140° 4-facet point, and TiAlN coating. It features a regular spiral flute design and a specified attribute value of…

SKU 3G-OTH-203037

Brand
OSG
Item
Micro Drill Bit: 3.78 mm, 140° 4-Facet Point
Category
Solid Carbide Micro Drill Bits
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Technical Specifications

OSG
Manufacturer Part Number
48172378
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Micro Drill Bit (MPN 48172378) is a solid carbide micro drill bit with a 3.78 mm diameter, 140° 4-facet point, and TiAlN coating. It features a regular spiral flute design and a specified attribute value of 0.1488.

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 48172378 used for?

The OSG Micro Drill Bit 48172378 is used for precision drilling in hardened steels, stainless steels, and other demanding materials. Its 140° 4-facet point and TiAlN coating reduce thrust and improve chip evacuation, making it ideal for micro-machining applications in aerospace, medical, and mold-making industries.

What are the specifications of the OSG Micro Drill Bit 48172378?

The OSG Micro Drill Bit 48172378 has a 3.78 mm diameter, 140° 4-facet point, TiAlN-coated carbide construction, and a regular spiral flute. The manufacturer part number is 48172378. It is designed for high-precision drilling in tough materials, with a specified attribute value of 0.1488.

Where to buy the OSG Micro Drill Bit 48172378 worldwide?

3G Electric supplies the OSG Micro Drill Bit 48172378 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine OSG tooling and support your procurement with technical expertise across 14 industrial departments.

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

To select the correct OSG micro drill bit, match the diameter (3.78 mm), point geometry (140° 4-facet), and coating (TiAlN) to your material hardness and hole depth. For hardened steels, use a rigid setup and peck drilling. Consult OSG's application data or contact 3G Electric for guidance on speeds and feeds.

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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