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OSG A BRAND Flat Bottom Drill Bit: 7.7 mm - Solid Carbide Flat-Bottom Drill Bits for Steel & Cast Iron
OSGSolid Carbide Flat-Bottom Drill Bits for Steel & Cast Iron

OSG A BRAND Flat Bottom Drill Bit: 7.7 mm

SKU 3G-OTH-195878

Brand
OSG
Item
A BRAND Flat Bottom Drill Bit: 7.7 mm
Category
Solid Carbide Flat-Bottom Drill Bits for Steel & Cast Iron
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Technical Specifications

OSG
Manufacturer Part Number
3330770
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG A BRAND Flat Bottom Drill Bit 7.7 mm used for?

This OSG A BRAND flat bottom drill bit is designed for drilling flat-bottomed holes in steel and cast iron. Its EgiAs-coated carbide construction provides wear resistance and heat dissipation, making it suitable for precision machining applications in automotive, mold, and general manufacturing industries.

What are the specifications of the OSG 3330770 flat bottom drill bit?

The OSG 3330770 is a 7.7 mm diameter solid carbide flat-bottom drill bit with an EgiAs coating. It is designed for steel and cast iron workpieces. The manufacturer part number is 3330770, and the product code is 54LT60. This bit creates flat-bottomed holes for counterbore or spot-facing operations.

Where to buy OSG flat bottom drill bits worldwide?

You can source OSG flat bottom drill bits worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG 3330770 or other OSG tooling products.

How to select the correct OSG flat bottom drill bit for steel?

Select the OSG flat bottom drill bit based on hole diameter and material. For steel and cast iron, choose the 7.7 mm EgiAs-coated carbide version (MPN 3330770). Ensure your machine spindle speed and feed rate match OSG recommendations for carbide tooling to avoid chipping and achieve accurate flat-bottomed holes.

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 flat-bottom drill bits for steel & cast iron. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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