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 906-001-821. It is a double-ended tool made of AlTiN coated high speed steel, with a #4 1/2 size, 118° point angle, and 2…
SKU 3G-OTH-199476
Also listed as: 906001821 · 906 001 821
Local availability & support
- 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.
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Product Description
The KEO Center Drill: Radius Type is a high-precision radius-tip center drill from KEO, model 906-001-821. It is a double-ended tool made of AlTiN coated high speed steel, with a #4 1/2 size, 118° point angle, and 2 1/2 in overall length.
Frequently Asked Questions
What is a KEO radius-type center drill used for?
A KEO radius-type center drill creates a radius-bottom center hole in a workpiece to support it between lathe centers. This design reduces stress concentration and is ideal for precision machining applications where the workpiece must be held securely during turning or grinding operations.
What are the specifications of the KEO 906-001-821 center drill?
The KEO 906-001-821 is a double-ended center drill with a #4 1/2 size, 118° point angle, and 2 1/2 in overall length. It is made of AlTiN coated high speed steel for extended tool life and heat resistance. The radius tip design provides a smooth, radius-bottom hole for lathe center support.
Where to buy KEO center drills worldwide?
3G Electric supplies KEO center drills like the 906-001-821 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine KEO tooling and support your procurement needs across 14 industrial departments.
How to select the correct KEO center drill size?
Select a KEO center drill size based on the workpiece diameter and the lathe center's dimensions. The #4 1/2 size is suitable for medium-duty work. Always match the drill's overall length to your machine's clearance. For radius-type drills, ensure the radius matches the center's tip radius to avoid workpiece misalignment.
Used in
Common applications for KEOKEO 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.
