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OSG Micro Drill Bit: 0.72 mm, 140° 4-Facet Point - Solid Carbide Micro Drill Bits
OSGSolid Carbide Micro Drill Bits

OSG Micro Drill Bit: 0.72 mm, 140° 4-Facet Point

The OSG Micro Drill Bit (MPN 3300072) is a solid carbide micro drill bit with a 0.72 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-203050

Brand
OSG
Item
Micro Drill Bit: 0.72 mm, 140° 4-Facet Point
Category
Solid Carbide Micro Drill Bits
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Technical Specifications

OSG
Manufacturer Part Number
3300072
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Micro Drill Bit (MPN 3300072) is a solid carbide micro drill bit with a 0.72 mm diameter, 140° 4-facet point, and TiAlN coating. It features a regular spiral flute design and a specified attribute value of 0.0284.

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 0.72 mm used for?

The OSG Micro Drill Bit 0.72 mm is used for precision drilling of small-diameter holes in hardened steels, stainless steels, and other tough materials. Its 140° 4-facet point reduces thrust and improves centering, while the TiAlN coating extends tool life in high-speed CNC applications.

What are the specifications of the OSG Micro Drill Bit 0.72 mm?

The OSG Micro Drill Bit (MPN 3300072) has a 0.72 mm diameter, 140° 4-facet point, TiAlN coating, and regular spiral flute design. It is made of solid carbide and is suitable for drilling in demanding materials. The part number is 3300072.

Where to buy the OSG Micro Drill Bit 0.72 mm worldwide?

You can source the OSG Micro Drill Bit 0.72 mm worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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

Select the OSG micro drill bit based on hole diameter, material hardness, and required hole quality. For the 0.72 mm bit, use it with rigid setups and high spindle speeds. Ensure proper coolant delivery to maximize the TiAlN coating performance and tool life.

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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