JACOBS Thread-Mount Keyed Drill Chuck
The JACOBS Drill Chuck, model JCM8859, is a thread-mount keyed drill chuck with a 1/2"-20 mount and a capacity range of 3/64 in to 3/8 in. It includes a K32 key for tightening and loosening the chuck.
SKU 3G-OTH-241885
Also listed as: JCM 8859 · JCM-8859
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Product Description
The JACOBS Drill Chuck, model JCM8859, is a thread-mount keyed drill chuck with a 1/2"-20 mount and a capacity range of 3/64 in to 3/8 in. It includes a K32 key for tightening and loosening the chuck.
Frequently Asked Questions
What is the JACOBS JCM8859 drill chuck used for?
The JACOBS JCM8859 is a thread-mount keyed drill chuck used for securely holding drill bits in industrial drilling applications. It mounts via a 1/2"-20 thread and accepts bits from 3/64 in to 3/8 in, making it suitable for precision machining, metalworking, and maintenance tasks.
What are the specifications of the JACOBS JCM8859 drill chuck?
The JACOBS JCM8859 is a keyed drill chuck with a 1/2"-20 thread mount and a capacity range of 3/64 in to 3/8 in. It includes a K32 key for tightening. The manufacturer part number is JCM8859. This chuck is designed for reliable bit retention in industrial environments.
Where to buy the JACOBS JCM8859 drill chuck worldwide?
3G Electric supplies the JACOBS JCM8859 drill chuck to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this thread-mount keyed chuck.
How to install a JACOBS JCM8859 thread-mount drill chuck?
To install the JACOBS JCM8859, clean the spindle threads and the chuck's 1/2"-20 mount. Hand-tighten the chuck onto the spindle, then use the included K32 key to firmly tighten it. Always ensure the chuck is fully seated before operation to avoid runout or bit slippage.
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3G Electric supplies JACOBS thread-mount keyed drill chucks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.