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OSG Micro Drill Bit: 3.85 mm, 130° 4-Facet Point - Solid Carbide Micro Drill Bits
OSGSolid Carbide Micro Drill Bits

OSG Micro Drill Bit: 3.85 mm, 130° 4-Facet Point

The OSG Micro Drill Bit (MPN 3300385) is a solid carbide micro drill bit with a 3.85 mm diameter, 130° 4-facet point, and TiAlN coating. It features a regular spiral flute design and is manufactured by OSG.

SKU 3G-OTH-202993

Brand
OSG
Item
Micro Drill Bit: 3.85 mm, 130° 4-Facet Point
Category
Solid Carbide Micro Drill Bits
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Technical Specifications

OSG
Manufacturer Part Number
3300385
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Micro Drill Bit (MPN 3300385) is a solid carbide micro drill bit with a 3.85 mm diameter, 130° 4-facet point, and TiAlN coating. It features a regular spiral flute design and is manufactured by OSG.

Frequently Asked Questions

What is the OSG Micro Drill Bit 3300385 used for?

The OSG Micro Drill Bit 3300385 is used for precision drilling in hardened steels, stainless steels, and other tough materials. Its 130° 4-facet point and TiAlN coating reduce thrust and improve chip evacuation, making it ideal for high-accuracy micro-machining in automotive, aerospace, and mold-making applications.

What are the specifications of the OSG Micro Drill Bit 3300385?

The OSG Micro Drill Bit 3300385 has a 3.85 mm diameter, 130° 4-facet point, and TiAlN coating. It is solid carbide with a regular spiral flute design. The manufacturer part number is 3300385. These specs ensure high wear resistance and precise hole quality in demanding materials.

Where to buy the OSG Micro Drill Bit 3300385 worldwide?

You can source the OSG Micro Drill Bit 3300385 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 based on material hardness, hole depth, and required tolerance. For hardened steels, choose a TiAlN-coated carbide bit like the OSG 3300385 with a 130° point. Match diameter to your hole size and ensure the flute design (regular spiral) suits chip evacuation. Consult OSG's technical data for 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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