Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

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

OSG 7.7 mm Solid Carbide Flat-Bottom Drill Bit

OSG Solid Carbide Flat-Bottom Drill Bits for Steel & Cast Iron.

SKU 3G-OTH-195878

Brand
OSG
Item
7.7 mm Solid Carbide Flat-Bottom Drill Bit
Category
Solid Carbide Flat-Bottom Drill Bits for Steel & Cast Iron
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
3330770

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

OSG Solid Carbide Flat-Bottom Drill Bits for Steel & Cast Iron.

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 3330770. 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
This solid carbide flat-bottom drill bit is designed for drilling flat-bottomed holes in steel and cast iron. The EgiAs coating provides wear resistance and heat dissipation. Suitable for precision machining in industrial manufacturing and metalworking applications
OSG
This solid carbide flat-bottom drill bit is designed for drilling flat-bottomed holes in steel and cast iron. The EgiAs coating provides wear resistance and heat dissipation. Suitable for precision machining in industrial manufacturing and metalworking applications
This solid carbide flat-bottom drill bit is designed for drilling flat-bottomed holes in steel and cast iron. The EgiAs coating provides wear resistance and heat dissipation for high-precision applications. Suitable for use in automotive, mold, and general machining industries where a flat hole bottom is required
OSG
This solid carbide flat-bottom drill bit is designed for drilling flat-bottomed holes in steel and cast iron. The EgiAs coating provides wear resistance and heat dissipation for high-precision applications. Suitable for use in automotive, mold, and general machining industries where a flat hole bottom is required
Solid carbide flat-bottom drill bit with EgiAs coating for wear resistance and heat dissipation. Designed for drilling flat-bottomed holes in steel and cast iron workpieces. Suitable for precision machining applications requiring clean hole bottoms for fastener seating or counterboring
OSG
Solid carbide flat-bottom drill bit with EgiAs coating for wear resistance and heat dissipation. Designed for drilling flat-bottomed holes in steel and cast iron workpieces. Suitable for precision machining applications requiring clean hole bottoms for fastener seating or counterboring
Flat-bottom drill bit for producing precise flat-bottomed holes in steel and cast iron workpieces. Made from EgiAs-coated solid carbide, this 9.1 mm diameter tool is suited for industrial machining applications where a flat hole bottom is required for fastener seating or subsequent operations
OSG
Flat-bottom drill bit for producing precise flat-bottomed holes in steel and cast iron workpieces. Made from EgiAs-coated solid carbide, this 9.1 mm diameter tool is suited for industrial machining applications where a flat hole bottom is required for fastener seating or subsequent operations
This solid carbide flat-bottom drill bit is designed for drilling flat-bottomed holes in steel and cast iron. The EgiAs coating enhances wear resistance and heat dissipation. It is suitable for industrial machining applications where precise, clean hole bottoms are required, such as for tapping or counterboring operations
OSG
This solid carbide flat-bottom drill bit is designed for drilling flat-bottomed holes in steel and cast iron. The EgiAs coating enhances wear resistance and heat dissipation. It is suitable for industrial machining applications where precise, clean hole bottoms are required, such as for tapping or counterboring operations
Solid carbide flat-bottom drill bit designed for drilling flat-bottomed holes in steel and cast iron. Features EgiAs coating for enhanced performance. Commonly used in machining operations requiring precise hole bottoms for fastener seating or subsequent processes
OSG
Solid carbide flat-bottom drill bit designed for drilling flat-bottomed holes in steel and cast iron. Features EgiAs coating for enhanced performance. Commonly used in machining operations requiring precise hole bottoms for fastener seating or subsequent processes

More from OSG

View all OSG parts
Solid carbide flat-bottom drill bit for producing flat-bottomed holes in steel and cast iron. Features EgiAs coating for heat resistance and wear durability. Diameter 3.1 mm. Suitable for precision machining in industrial manufacturing
OSG
Solid carbide flat-bottom drill bit for producing flat-bottomed holes in steel and cast iron. Features EgiAs coating for heat resistance and wear durability. Diameter 3.1 mm. Suitable for precision machining in industrial manufacturing
Solid carbide flat-bottom drill bit with EgiAs coating for reduced heat and wear. Designed for drilling flat-bottomed holes in steel and cast iron, suitable for fastener seating or counterboring in precision machining applications. Diameter: 0.2813 inches (9/32")
OSG
Solid carbide flat-bottom drill bit with EgiAs coating for reduced heat and wear. Designed for drilling flat-bottomed holes in steel and cast iron, suitable for fastener seating or counterboring in precision machining applications. Diameter: 0.2813 inches (9/32")
Solid carbide flat-bottom drill bit designed for drilling flat-bottom holes in steel and cast iron. Features EgiAs coating for enhanced performance. Diameter: 5.2 mm. Suitable for creating precise flat-bottomed cavities, counterbored holes, or seatings in machining operations
OSG
Solid carbide flat-bottom drill bit designed for drilling flat-bottom holes in steel and cast iron. Features EgiAs coating for enhanced performance. Diameter: 5.2 mm. Suitable for creating precise flat-bottomed cavities, counterbored holes, or seatings in machining operations
Solid carbide flat-bottom drill bit with EgiAs coating, designed for drilling flat-bottomed holes in steel and cast iron. The 5/32" diameter bit produces a flat hole bottom suitable for fastener seating or counterboring in precision machining applications
OSG
Solid carbide flat-bottom drill bit with EgiAs coating, designed for drilling flat-bottomed holes in steel and cast iron. The 5/32" diameter bit produces a flat hole bottom suitable for fastener seating or counterboring in precision machining applications
Solid carbide flat-bottom drill bit with EgiAs coating for steel and cast iron. Designed for drilling flat-bottom holes in precision machining applications. Diameter: 5.8 mm
OSG
Solid carbide flat-bottom drill bit with EgiAs coating for steel and cast iron. Designed for drilling flat-bottom holes in precision machining applications. Diameter: 5.8 mm
Solid carbide flat-bottom drill bit with EgiAs coating, 0.2500" (1/4") diameter. Designed for drilling flat-bottomed holes in steel and cast iron, providing a clean hole bottom for fastener seating or counterbore preparation
OSG
Solid carbide flat-bottom drill bit with EgiAs coating, 0.2500" (1/4") diameter. Designed for drilling flat-bottomed holes in steel and cast iron, providing a clean hole bottom for fastener seating or counterbore preparation
Solid carbide flat-bottom drill bit with EgiAs coating, designed for drilling flat-bottomed holes in steel and cast iron. The 4.4 mm diameter bit produces a precise, flat hole bottom suitable for fastener seating or subsequent machining operations
OSG
Solid carbide flat-bottom drill bit with EgiAs coating, designed for drilling flat-bottomed holes in steel and cast iron. The 4.4 mm diameter bit produces a precise, flat hole bottom suitable for fastener seating or subsequent machining operations
Solid carbide flat-bottom drill bit designed for drilling flat-bottomed holes in steel and cast iron. Features EgiAs coating for wear resistance and heat dissipation. Suitable for precision machining in industrial manufacturing and metalworking
OSG
Solid carbide flat-bottom drill bit designed for drilling flat-bottomed holes in steel and cast iron. Features EgiAs coating for wear resistance and heat dissipation. Suitable for precision machining in industrial manufacturing and metalworking