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KEO Center Drill: Plain Type, #8, 90°, 3 1/2 in Overall Lg - Plain-Tip Center Drills
KEOPlain-Tip Center Drills

KEO Center Drill: Plain Type, #8, 90°, 3 1/2 in Overall Lg

The KEO Center Drill is a plain-type, double-end center drill, model #8 with a 90° angle and 3 1/2 inch overall length, made from high-speed steel (MPN 906-000-178). This industrial cutting tool is designed for…

SKU 3G-OTH-183015

Also listed as: 906000178 · 906 000 178

Brand
KEO
Item
Center Drill: Plain Type, #8, 90°, 3 1/2 in Overall Lg
Category
Plain-Tip Center Drills
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

KEO
Manufacturer Part Number
906-000-178
End Type
Double End

Technical Documents

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

Product Description

The KEO Center Drill is a plain-type, double-end center drill, model #8 with a 90° angle and 3 1/2 inch overall length, made from high-speed steel (MPN 906-000-178). This industrial cutting tool is designed for creating center holes in workpieces.

Frequently Asked Questions

What is a KEO Center Drill used for?

A KEO Center Drill is used to create precise center holes in workpieces for lathe turning or grinding operations. It is commonly applied in metalworking and machining industries to support workpieces between centers, ensuring accurate alignment and rotation during manufacturing processes.

What are the specifications of the KEO Center Drill #8?

The KEO Center Drill #8 (MPN 906-000-178) is a plain-type, double-end tool with a 90° angle and 3 1/2 inch overall length. It is made from high-speed steel, providing durability for industrial machining. The double-end design allows extended tool life by offering two usable cutting ends.

Where to buy KEO Center Drills worldwide?

KEO Center Drills are available to order 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 on this or other KEO cutting tools.

How to select the right KEO Center Drill size?

Select the KEO Center Drill size based on the workpiece diameter and required center hole dimensions. For general machining, match the drill number (e.g., #8) to standard center drill charts. Ensure the 90° angle aligns with your lathe center specifications. Consult a machining reference for proper sizing.

Used in

Common applications for KEO
Metalworking — KEO plain-tip center drills for creating accurate starting points in lathe operations
Automotive manufacturing — KEO bell-tip center drills for countersinking holes in engine components
Aerospace machining — KEO radius-tip center drills for reducing stress risers in critical parts
General machining — KEO keyseat cutters for milling keyways in shafts and gears
Tool and die making — KEO TiN-coated center drills for extended tool life in hardened steels
Precision engineering — KEO cobalt center drills for high-temperature alloy applications

KEO Products

3G Electric supplies KEO plain-tip center drills. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
KEO Center Drill: Plain Type, #9, 90°, 3 5/8 in Overall Lg, High Speed Steel (MPN 906-000-189)
KEO
KEO Center Drill: Plain Type, #9, 90°, 3 5/8 in Overall Lg, High Speed Steel (MPN 906-000-189)
KEO Center Drill: Plain Type, #8, 60°, 6 in Overall Lg, High Speed Steel (MPN 907-000-179)
KEO
KEO Center Drill: Plain Type, #8, 60°, 6 in Overall Lg, High Speed Steel (MPN 907-000-179)
This KEO center drill is a plain-type, double-end tool made from high-speed steel. It features a #10 size with a 90° point angle and 3-3/4 in overall length. Designed for creating precise center holes in workpieces for lathe operations or subsequent drilling, it is commonly used in machining and tool-and-die shops for centering before turning or grinding
KEO
This KEO center drill is a plain-type, double-end tool made from high-speed steel. It features a #10 size with a 90° point angle and 3-3/4 in overall length. Designed for creating precise center holes in workpieces for lathe operations or subsequent drilling, it is commonly used in machining and tool-and-die shops for centering before turning or grinding
KEO Center Drill: Plain Type, #8, 60°, 3 1/2 in Overall Lg, TiN Coated High Speed Steel (MPN 906-000-166)
KEO
KEO Center Drill: Plain Type, #8, 60°, 3 1/2 in Overall Lg, TiN Coated High Speed Steel (MPN 906-000-166)
Plain-tip center drill for creating precise conical starting holes in workpieces. Double-end design provides two usable cutting ends. Made from high-speed steel with a 90° included angle and 3 1/4 in overall length. Suitable for lathe turning or grinding operations to ensure accurate alignment between centers
KEO
Plain-tip center drill for creating precise conical starting holes in workpieces. Double-end design provides two usable cutting ends. Made from high-speed steel with a 90° included angle and 3 1/4 in overall length. Suitable for lathe turning or grinding operations to ensure accurate alignment between centers
KEO Center Drill: Plain Type, #6, 90°, 3 in Overall Lg, High Speed Steel (MPN 906-000-148)
KEO
KEO Center Drill: Plain Type, #6, 90°, 3 in Overall Lg, High Speed Steel (MPN 906-000-148)

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This plain-tip center drill is used to create conical starting holes for lathe center support or to guide larger drill bits. It is made of TiN-coated high-speed steel for wear resistance. The double-end design provides two usable ends. Size #2, 90° angle, overall length 1 7/8 in
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This plain-tip center drill is used to create conical starting holes for lathe center support or to guide larger drill bits. It is made of TiN-coated high-speed steel for wear resistance. The double-end design provides two usable ends. Size #2, 90° angle, overall length 1 7/8 in
This double-end center drill is designed for precision centering operations in machining, such as creating starter holes for lathe or milling work. The #7 size features a 60° angle and 6-inch overall length. TiN-coated cobalt construction provides heat resistance and extended tool life
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This double-end center drill is designed for precision centering operations in machining, such as creating starter holes for lathe or milling work. The #7 size features a 60° angle and 6-inch overall length. TiN-coated cobalt construction provides heat resistance and extended tool life
This KEO center drill is a plain-type, double-end tool with a 60° point angle and #5/0 size. It is constructed from TiN coated carbide for wear resistance and has a 1 1/2 in overall length. Used to create precise conical starting holes in workpieces for lathe turning or grinding operations
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This KEO center drill is a plain-type, double-end tool with a 60° point angle and #5/0 size. It is constructed from TiN coated carbide for wear resistance and has a 1 1/2 in overall length. Used to create precise conical starting holes in workpieces for lathe turning or grinding operations
Double-end plain-tip center drill with a 90° angle and 4-inch overall length. Constructed from AlTiN coated carbide for wear resistance and heat dissipation. Used to create precise conical starting holes for lathe centers or subsequent drilling operations in industrial machining
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Double-end plain-tip center drill with a 90° angle and 4-inch overall length. Constructed from AlTiN coated carbide for wear resistance and heat dissipation. Used to create precise conical starting holes for lathe centers or subsequent drilling operations in industrial machining
This plain-tip center drill is double ended with a #2/0 size and 60° point angle. It has a 1 1/2 in overall length and is made of carbide. Used for creating accurate starting holes in workpieces for lathe or milling operations
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This plain-tip center drill is double ended with a #2/0 size and 60° point angle. It has a 1 1/2 in overall length and is made of carbide. Used for creating accurate starting holes in workpieces for lathe or milling operations
This KEO plain-tip center drill is a double-end tool in size #5/0, with a 60° point angle and 1 1/2 in overall length. Made from carbide, it is used to create precise conical starting holes for lathe turning or grinding operations
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This KEO plain-tip center drill is a double-end tool in size #5/0, with a 60° point angle and 1 1/2 in overall length. Made from carbide, it is used to create precise conical starting holes for lathe turning or grinding operations
Double-end plain-tip center drill made from AlTiN coated high speed steel. #3 size with 90° angle and 4 in overall length. Used to create center holes in workpieces for lathe turning or grinding operations
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Double-end plain-tip center drill made from AlTiN coated high speed steel. #3 size with 90° angle and 4 in overall length. Used to create center holes in workpieces for lathe turning or grinding operations
This KEO center drill is a plain-tip, double-end tool with a #2 size and 60° included angle. It has an overall length of 1-7/8 in and is made from AlTiN coated cobalt for wear resistance. Used to create precise conical starting holes for lathe centers or subsequent drilling operations in metalworking
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This KEO center drill is a plain-tip, double-end tool with a #2 size and 60° included angle. It has an overall length of 1-7/8 in and is made from AlTiN coated cobalt for wear resistance. Used to create precise conical starting holes for lathe centers or subsequent drilling operations in metalworking