Keyed EDM Drill Chucks
Precision & Stability in EDM Drilling
Keyed EDM Drill Chucks play a crucial role in **maintaining precision and stability** during electrical discharge machining (EDM). These chucks are designed to **hold electrodes securely**, reducing the risk of misalignment or slippage, which can compromise machining accuracy.
Why Choose Keyed EDM Drill Chucks?
- Maximum Grip Strength: The keyed tightening mechanism **ensures a secure hold**, preventing electrode slippage.
- Enhanced Stability: Designed for **high-precision drilling**, reducing defects caused by electrode misalignment.
- Uniform Wear & Durability: Engineered to **wear down evenly**, extending the lifespan of the chuck and maintaining performance over time.
- Consistent Performance: Helps produce **precise and high-quality drilled holes**, ensuring **optimal EDM machining results**.
Applications
Keyed EDM Drill Chucks are widely used in:
- **Aerospace and automotive manufacturing** requiring extreme precision.
- **EDM drilling of molds, dies, and intricate components.**
- **High-load industrial machining** where maximum chuck stability is critical.

Keyed Yukiwa EDM Chucks
Maximum Holding Power for Heavy-Duty EDM Drilling
Keyed Yukiwa chucks are engineered for **heavy-load EDM machining**, providing **superior grip strength** with **precision tightening mechanisms**.
Unlike keyless chucks, these models allow for **a stronger and more secure hold** under extreme forces, ensuring stability throughout high-precision drilling.

Part Number | Model No. | Capacity (Inch) | Capacity (mm) | Mount Thread | Uses Key No. |
---|---|---|---|---|---|
1004082 | S4B 5/16-24 | 0.014 – 0.157 | 0.35 – 4 | 5/16-24 | CK0 |
1010082 | S6.5LBA 3/8-24 | 0.020 – 0.256 | 0.5 – 6.5 | 3/8-24 | CK1 / CK7 |
23081 | F10KBA 3/8-24 | 0.059 – 1.5 | 0.349 – 10 | 3/8-24 | CKK |
1001252 | S10LBA 3/8-24 | 0.032 – 0.8 | 0.349 – 10 | 3/8-24 | CK30 |
18082 | F10LBA 3/8-24 | 0.032 – 0.8 | 0.349 – 10 | 3/8-24 | CK30 |
22082 | F13SBA 3/8-24 | 0.078 – 2 | 0.349 – 13 | 3/8-24 | CK32 |
22083 | F13SBA 1/2-20 | 0.078 – 2 | 0.349 – 13 | 1/2-20 | CK32 |
1024081 | F16LB 1/2-20 | 0.118 – 3 | 0.349 – 16 | 1/2-20 | CK3 |
1030081 | F19B 5/8-16 | 0.177 – 4.5 | 0.349 – 19 | 5/8-16 | CK4 |
Specialty Keyed Drill Chucks

Part Number | Manufacturer | Capacity (mm) | Jacobs Taper |
---|---|---|---|
400 N040 G01 0 | Yukiwa | 0.3 – 4.0 | 5/16-24 |
400 N074 G02 0 | Yukiwa | 0.6 – 7.4 | 5/8-24 |
Chuck Adaptors for Keyed Chucks




For our keyed EDM chucks with female Jacobs tapers, we offer high-precision male and female chuck adaptors.
These adaptors feature a male Jacobs taper for a **secure, vibration-resistant fit**, maintaining optimal drilling accuracy.
Designed with through-holes accommodating up to 6 mm, they provide **versatile compatibility** beyond standard machine specifications.
Available in **hardened stainless steel** for superior durability and longevity in EDM applications.
Female Chuck Adaptor for Keyed Chucks

Designed for **externally threaded male machine heads**, our female chuck adaptors provide a **secure** and **precise** connection.
Each adaptor includes a detachable Jacobs taper for enhanced **machine compatibility** and effortless tool transitions.
Constructed from **stainless steel** with a knurled grip for improved handling and control in high-torque applications.
Male Chuck Adaptor for Keyed Chucks

Engineered for **internally threaded female machine heads**, our male chuck adaptors provide **maximum grip strength** and **rigid support** for heavy-duty EDM drilling.
Featuring a **detachable Jacobs taper**, these adaptors allow seamless integration with a variety of machines and chucks.
Built from **high-grade stainless steel** with a knurled grip, ensuring **secure and efficient tool handling**.
Enhance Your Machining with Keyed EDM Drill Chucks
Designed for **maximum grip and durability**, our Keyed EDM Drill Chucks provide unmatched stability for **high-precision** EDM applications.
Ensure **secure tool holding** and **long-lasting performance** with our industry-leading keyed chucks.
Call us directly at (714) 222-9899 for immediate assistance.