KEO High-Precision Radius-Tip Center Drill #4 1/2
The KEO Center Drill: Radius Type is a high-precision radius-tip center drill from KEO, designed as a double-end tool. It features a #4 1/2 size, 118° point angle, and 2 1/2 in overall length, constructed from TiN…
SKU 3G-OTH-199524
Also listed as: 906000312 · 906 000 312
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, designed as a double-end tool. It features a #4 1/2 size, 118° point angle, and 2 1/2 in overall length, constructed from TiN coated high speed steel (MPN 906-000-312).
Frequently Asked Questions
What is a KEO center drill radius type used for?
A KEO radius-type center drill creates precise conical starting holes for lathe work, ensuring accurate alignment between centers. Its double-end design extends tool life, and the TiN coating reduces friction on high-speed steel. This #4 1/2 size is common in machining operations requiring repeatable centering.
What are the specifications of the KEO center drill #4 1/2?
This KEO center drill is a double-end radius type, size #4 1/2, with a 118° point angle and 2 1/2 in overall length. It is made of TiN coated high speed steel (MPN 906-000-312). The TiN coating enhances wear resistance and tool life in ferrous and non-ferrous materials.
Where to buy KEO center drills worldwide?
3G Electric supplies KEO center drills worldwide, handling full logistics and customs clearance. As a global industrial sourcing partner, we provide genuine KEO tooling like the #4 1/2 radius-type center drill (MPN 906-000-312) to machining facilities across 14 industrial departments. Contact us for availability and delivery.
How to select the right KEO center drill size?
Select a KEO center drill size based on the workpiece center hole diameter and lathe center angle. The #4 1/2 radius type with 118° point is suited for general machining. Ensure overall length (2 1/2 in) fits your tailstock clearance. For hardened materials, the TiN coated high speed steel version improves tool life.
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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.
