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KEO Center Drill: Plain Type Hey, #4, 60°, 2 1/8 in Overall Lg - Plain-Tip Hey-Type Center Drills
KEOPlain-Tip Hey-Type Center Drills

KEO Center Drill: Plain Type Hey, #4, 60°, 2 1/8 in Overall Lg

The KEO Center Drill: Plain Type Hey is a double-end, plain-tip center drill with a 60° angle and 2 1/8 in overall length, made from AlTiN-coated high-speed steel (MPN 906-001-939). This #4 size tool is designed for…

SKU 3G-OTH-185871

Also listed as: 906001939 · 906 001 939

Brand
KEO
Item
Center Drill: Plain Type Hey, #4, 60°, 2 1/8 in Overall Lg
Category
Plain-Tip Hey-Type Center Drills
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

KEO
Manufacturer Part Number
906-001-939
Type
#4, 60°, AlTiN Coated High Speed Steel
Overall Lg
2 1/8 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 Hey is a double-end, plain-tip center drill with a 60° angle and 2 1/8 in overall length, made from AlTiN-coated high-speed steel (MPN 906-001-939). This #4 size tool is designed for creating center holes in workpieces during machining operations.

Frequently Asked Questions

What is the KEO Center Drill: Plain Type Hey used for?

The KEO Center Drill: Plain Type Hey is used to create precise 60° center holes in workpieces for lathe turning, grinding, and other machining operations. Its double-end design extends tool life, and the AlTiN coating on high-speed steel reduces friction and wear. This #4 size is common in general metalworking and toolroom applications.

What are the specifications of the KEO Center Drill: Plain Type Hey?

This KEO center drill is a double-end, plain-tip type with a 60° included angle and 2 1/8 in overall length. It is made from AlTiN-coated high-speed steel, size #4, with manufacturer part number 906-001-939. The double-end feature allows two usable ends per tool, increasing productivity in center-hole drilling.

Where to buy the KEO Center Drill: Plain Type Hey worldwide?

3G Electric supplies the KEO Center Drill: Plain Type Hey (MPN 906-001-939) to customers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this tool to support your machining operations.

How to select the right KEO center drill for my application?

Select a KEO center drill based on workpiece material, required center hole size, and machine setup. For general steel, the AlTiN-coated high-speed steel #4 size with 60° angle suits most lathe work. Match the drill diameter to the workpiece center hole specification. Always use proper cutting fluid and speeds recommended for HSS tools to maximize tool life.

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 hey-type 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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