OSG Micro Drill Bit: 1.21 mm, 140° 4-Facet Point
The OSG Micro Drill Bit (MPN 3300121) is a solid carbide micro drill bit with a 1.21 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-202978
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Product Description
The OSG Micro Drill Bit (MPN 3300121) is a solid carbide micro drill bit with a 1.21 mm diameter, 140° 4-facet point, and TiAlN coating. It features a regular spiral flute design and a specified attribute value of 0.0476.
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 3300121 used for?
The OSG Micro Drill Bit 3300121 is used for precision drilling of small-diameter holes in hardened steels, stainless steels, and other tough materials. Its 1.21 mm diameter, 140° 4-facet point, and TiAlN coating enable high accuracy and extended tool life in CNC machining and mold-making applications.
What are the specifications of the OSG Micro Drill Bit 3300121?
The OSG Micro Drill Bit 3300121 has a 1.21 mm diameter, 140° 4-facet point, TiAlN coating, and regular spiral flute design. It is made of solid carbide and has a manufacturer part number 3300121. The attribute value 0.0476 refers to a specific dimensional or performance parameter.
Where to buy the OSG Micro Drill Bit 3300121 worldwide?
You can source the OSG Micro Drill Bit 3300121 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 provide competitive pricing and reliable supply for this precision tool.
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 surface finish. For the 3300121, the 1.21 mm diameter and 140° 4-facet point suit high-accuracy drilling in tough alloys. Ensure your machine spindle speed and feed rate match the TiAlN-coated carbide's recommendations for optimal performance.
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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.















