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KEO Center Drill: Plain Type, #4, 60°, 6 in Overall Lg - Plain-Tip Center Drills
KEOPlain-Tip Center Drills

KEO Center Drill: Plain Type, #4, 60°, 6 in Overall Lg

The KEO Center Drill is a plain-tip center drill, model #4 with a 60° angle and 6-inch overall length, made from cobalt. This double-end tool, manufacturer part number 907-000-121, is designed for industrial drilling…

SKU 3G-OTH-183319

Also listed as: 907000121 · 907 000 121

Brand
KEO
Item
Center Drill: Plain Type, #4, 60°, 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
907-000-121
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-tip center drill, model #4 with a 60° angle and 6-inch overall length, made from cobalt. This double-end tool, manufacturer part number 907-000-121, is designed for industrial drilling applications.

Frequently Asked Questions

What is a KEO Center Drill used for?

A KEO Center Drill creates a conical starting hole for lathe tailstock centers or for subsequent drilling operations. This plain-type, double-end #4 cobalt tool is common in machining and tool-and-die work where precise alignment and repeatability are required.

What are the specifications of the KEO Center Drill 907-000-121?

The KEO Center Drill 907-000-121 is a plain-type, double-end center drill, size #4, with a 60° included angle and 6-inch overall length. It is made from cobalt for heat resistance and durability in industrial drilling applications.

Where to buy a KEO Center Drill worldwide?

3G Electric supplies the KEO Center Drill 907-000-121 to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct plain-type, double-end #4 cobalt center drill for your machining operations.

How to select the right center drill size for a lathe?

Select a center drill size that matches the diameter of your workpiece and the tailstock center. For general machining, a #4 plain-type center drill like the KEO 907-000-121 works for medium-duty work. Always match the drill angle (60°) to your center's angle for proper seating.

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, #4, 60°, 3 in Overall Lg, Cobalt (MPN 907-000-106)
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KEO Center Drill: Plain Type, #4, 60°, 4 in Overall Lg, Cobalt (MPN 907-000-111)
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KEO Center Drill: Plain Type, #4 1/2, 60°, 6 in Overall Lg, Cobalt (MPN 907-000-137)
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KEO Center Drill: Plain Type, #4 1/2, 60°, 6 in Overall Lg, Cobalt (MPN 907-000-137)
KEO Center Drill: Plain Type, #4 1/2, 60°, 4 in Overall Lg, Cobalt (MPN 907-000-127)
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KEO Center Drill: Plain Type, #4 1/2, 60°, 4 in Overall Lg, Cobalt (MPN 907-000-127)

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