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KEO #9 High-Precision Radius-Tip Center Drill - High-Precision Radius-Tip Center Drills
KEOHigh-Precision Radius-Tip Center Drills

KEO #9 High-Precision Radius-Tip Center Drill

The KEO Center Drill: Radius Type is a high-precision radius-tip center drill from KEO, model number 906-001-898. It is a double-ended tool, size #9, with a 118° point angle and 3 5/8 inch overall length, made of…

SKU 3G-OTH-199528

Also listed as: 906001898 · 906 001 898

Brand
KEO
Item
#9 High-Precision Radius-Tip Center Drill
Part Number
906-001-898
Category
High-Precision Radius-Tip Center Drills
Available to Order
Also known as:906-001-898KEO
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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
906-001-898
Type
#9, 118°, AlTiN Coated High Speed Steel
Overall Lg
3 5/8 in

Technical Documents

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

Product Description

The KEO Center Drill: Radius Type is a high-precision radius-tip center drill from KEO, model number 906-001-898. It is a double-ended tool, size #9, with a 118° point angle and 3 5/8 inch overall length, made of AlTiN coated high speed steel.

Frequently Asked Questions

What is a KEO radius-type center drill used for?

A KEO radius-type center drill creates precise conical starting holes with a radius tip for lathe work and grinding operations. It is commonly used in metalworking to support workpiece centers between centers, ensuring accurate alignment and reducing runout during machining.

What are the specifications of the KEO center drill #9 906-001-898?

The KEO center drill model 906-001-898 is a double-ended radius-type tool, size #9, with a 118° point angle and 3 5/8 inch overall length. It is made of AlTiN coated high speed steel for enhanced wear resistance and heat protection during high-speed machining.

Where to buy KEO center drills worldwide?

3G Electric supplies KEO center drills worldwide, handling full logistics and customs clearance for international orders. As a global industrial distributor, we source and deliver genuine KEO tooling to your facility. Contact us for availability and lead time to your region.

How to select the correct KEO radius center drill size?

Select the KEO radius center drill size based on the workpiece diameter and the center hole required for your lathe or grinder. Size #9 is suitable for medium to large workpieces. Always match the drill's overall length and point angle to your machine's tailstock and clearance specifications.

Used in

Common applications for KEO
General machining — KEO single-flute countersinks for deburring and chamfering holes in steel and aluminum.
Automotive repair — KEO 82° countersinks for creating seats for flathead screws in engine and chassis components.
Aerospace manufacturing — KEO TiAlN-coated carbide countersinks for precision chamfering of fastener holes in hard alloys.
MRO operations — KEO left-hand keyseat cutters for milling keyways in shafts during equipment repair.
Metal fabrication — KEO 90° countersinks for chamfering plate and structural steel before welding.
Machine shop — KEO 100° countersinks for deburring cross-drilled holes in hydraulic manifolds.
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KEO Products

3G Electric supplies KEO high-precision radius-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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This radius-tip center drill is made of TiN coated high speed steel with a #3/0 size and 60° included angle. It is used to create precise center holes in workpieces for lathe operations, reducing stress concentration at the hole bottom. Suitable for general machining and toolmaking applications requiring accurate center support
KEO
This radius-tip center drill is made of TiN coated high speed steel with a #3/0 size and 60° included angle. It is used to create precise center holes in workpieces for lathe operations, reducing stress concentration at the hole bottom. Suitable for general machining and toolmaking applications requiring accurate center support

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