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KEO Center Drill: Plain Type, #4 1/2, 90°, 6 in Overall Lg - Plain-Tip Center Drills
KEOPlain-Tip Center Drills

KEO Center Drill: Plain Type, #4 1/2, 90°, 6 in Overall Lg

The KEO Center Drill: Plain Type is a double-end plain-tip center drill from KEO, model #4 1/2 with a 90° angle and 6-inch overall length. It is made of TiN-coated high-speed steel, as specified by manufacturer part…

SKU 3G-OTH-183333

Also listed as: 907000548 · 907 000 548

Brand
KEO
Item
Center Drill: Plain Type, #4 1/2, 90°, 6 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
907-000-548
Type
#4 1/2, 90°, TiN Coated High Speed Steel
Overall Lg
6 in
End Type
Double End

Technical Documents

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

Product Description

The KEO Center Drill: Plain Type is a double-end plain-tip center drill from KEO, model #4 1/2 with a 90° angle and 6-inch overall length. It is made of TiN-coated high-speed steel, as specified by manufacturer part number 907-000-548.

Frequently Asked Questions

What is a KEO center drill plain type used for?

A KEO center drill plain type creates precise 60° or 90° conical starting holes in workpieces for lathe centers or subsequent drilling. It is essential in machining operations for shaft alignment and drilling accuracy, commonly used in toolrooms and production shops.

What are the specifications of the KEO center drill #4 1/2?

The KEO center drill #4 1/2 is a double-end plain type with a 90° angle and 6-inch overall length. It is made of TiN-coated high-speed steel, offering wear resistance and extended tool life. The manufacturer part number is 907-000-548.

Where to buy KEO center drills worldwide?

3G Electric supplies KEO center drills worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine KEO tooling to your facility, ensuring you get the correct specifications for your machining application.

How to select the right KEO center drill size?

Select a KEO center drill size based on the workpiece diameter and the required center hole dimensions. The #4 1/2 size is suitable for medium-duty work. Always match the drill's 90° angle to your lathe center angle and ensure the overall length fits your toolholder.

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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