We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

KEO Center Drill: Radius Type, #4 1/2, 118°, 2 1/2 in Overall Lg - High-Precision Radius-Tip Center Drills
KEOHigh-Precision Radius-Tip Center Drills

KEO Center Drill: Radius Type, #4 1/2, 118°, 2 1/2 in Overall Lg

The KEO Center Drill: Radius Type is a high-precision radius-tip center drill from KEO, model number 906-000-311. It is a double-ended tool made of high-speed steel, with a #4 1/2 size, 118° point angle, and 2 1/2…

SKU 3G-OTH-199475

Also listed as: 906000311 · 906 000 311

Brand
KEO
Item
Center Drill: Radius Type, #4 1/2, 118°, 2 1/2 in Overall Lg
Category
High-Precision Radius-Tip Center Drills
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

KEO
Manufacturer Part Number
906-000-311
Type
#4 1/2, 118°, High Speed Steel
Overall Lg
2 1/2 in

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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 906-000-311. It is a double-ended tool made of high-speed steel, with a #4 1/2 size, 118° point angle, and 2 1/2 inches overall length.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a KEO Center Drill: Radius Type used for?

A KEO Center Drill: Radius Type creates precise conical starting holes for lathe centers or drilling operations. Its radius tip reduces stress concentration, making it ideal for high-precision machining in toolrooms and production environments.

What are the specifications of the KEO Center Drill 906-000-311?

The KEO Center Drill 906-000-311 is a double-ended high-speed steel tool, size #4 1/2, with a 118° point angle and 2 1/2 inches overall length. It is designed for radius-type center drilling applications requiring durability and accuracy.

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 tools like the 906-000-311 to support your precision machining needs across industries.

How to select the right KEO Center Drill size?

Select a KEO Center Drill size based on the workpiece diameter and required center hole dimensions. For radius-type drills like the #4 1/2, match the drill size to the lathe center's taper. Consult machining guidelines to ensure proper fit and avoid tool breakage.

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 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
KEO Center Drill: Radius Type, #4 1/2, 118°, 2 1/2 in Overall Lg, TiN Coated High Speed Steel (MPN 906-000-312)
KEO
KEO Center Drill: Radius Type, #4 1/2, 118°, 2 1/2 in Overall Lg, TiN Coated High Speed Steel (MPN 906-000-312)
KEO Center Drill: Radius Type, #4/0, 60°, 1 1/4 in Overall Lg, High Speed Steel (MPN 906-000-052)
KEO
KEO Center Drill: Radius Type, #4/0, 60°, 1 1/4 in Overall Lg, High Speed Steel (MPN 906-000-052)
KEO Center Drill: Radius Type, #4, 60°, 2 1/8 in Overall Lg, High Speed Steel (MPN 906-000-107)
KEO
KEO Center Drill: Radius Type, #4, 60°, 2 1/8 in Overall Lg, High Speed Steel (MPN 906-000-107)
KEO Center Drill: Radius Type, #4/0, 60°, 1 1/4 in Overall Lg, TiN Coated High Speed Steel (MPN 906-000-053)
KEO
KEO Center Drill: Radius Type, #4/0, 60°, 1 1/4 in Overall Lg, TiN Coated High Speed Steel (MPN 906-000-053)
KEO Center Drill: Radius Type, #10, 60°, 3 3/4 in Overall Lg, High Speed Steel (MPN 906-000-193)
KEO
KEO Center Drill: Radius Type, #10, 60°, 3 3/4 in Overall Lg, High Speed Steel (MPN 906-000-193)
KEO Center Drill: Radius Type, #4, 60°, 2 1/8 in Overall Lg, TiN Coated High Speed Steel (MPN 906-000-108)
KEO
KEO Center Drill: Radius Type, #4, 60°, 2 1/8 in Overall Lg, TiN Coated High Speed Steel (MPN 906-000-108)

More from KEO

View all KEO parts
KEO Center Drill: Radius Type, #6, 60°, 3 in Overall Lg, TiN Coated High Speed Steel (MPN 906-000-138)
KEO
KEO Center Drill: Radius Type, #6, 60°, 3 in Overall Lg, TiN Coated High Speed Steel (MPN 906-000-138)
KEO Center Drill: Radius Type, 60°, 8 mm Overall Lg, Cobalt (MPN 18480)
KEO
KEO Center Drill: Radius Type, 60°, 8 mm Overall Lg, Cobalt (MPN 18480)
KEO Center Drill: Radius Type, #3, 60°, 2 in Overall Lg, High Speed Steel (MPN 906-000-092)
KEO
KEO Center Drill: Radius Type, #3, 60°, 2 in Overall Lg, High Speed Steel (MPN 906-000-092)
KEO Center Drill: Radius Type, #4 1/2, 118°, 2 1/2 in Overall Lg, AlTiN Coated High Speed Steel (MPN 906-001-821)
KEO
KEO Center Drill: Radius Type, #4 1/2, 118°, 2 1/2 in Overall Lg, AlTiN Coated High Speed Steel (MPN 906-001-821)
KEO Center Drill: Radius Type, #9, 60°, 3 5/8 in Overall Lg, TiN Coated High Speed Steel (MPN 906-000-183)
KEO
KEO Center Drill: Radius Type, #9, 60°, 3 5/8 in Overall Lg, TiN Coated High Speed Steel (MPN 906-000-183)
KEO Center Drill: Radius Type, #0, 60°, 1 1/4 in Overall Lg, High Speed Steel (MPN 906-000-058)
KEO
KEO Center Drill: Radius Type, #0, 60°, 1 1/4 in Overall Lg, High Speed Steel (MPN 906-000-058)
KEO Center Drill: Radius Type, 60°, 3.15 mm Overall Lg, Cobalt (MPN 18404)
KEO
KEO Center Drill: Radius Type, 60°, 3.15 mm Overall Lg, Cobalt (MPN 18404)
KEO Center Drill: Radius Type, #3, 60°, 2 in Overall Lg, TiN Coated High Speed Steel (MPN 906-000-093)
KEO
KEO Center Drill: Radius Type, #3, 60°, 2 in Overall Lg, TiN Coated High Speed Steel (MPN 906-000-093)