

The Graco 19B334 Key, 1/8" x 1/2" is an OEM replacement part designed to secure rotating components in compatible GrindLazer equipment for reliable operation.
The Graco 19B334 Key, 1/8" x 1/2" is a precision-machined square key designed to secure rotating components inside compatible Graco equipment assemblies. This small but essential part helps maintain proper alignment between shafts, gears, pulleys, and connected drive components during operation.
Manufactured to meet OEM specifications, this key is commonly used in GrindLazer surface preparation equipment where dependable power transfer and component stability are critical for consistent machine performance.
| Part Number | Description | Size | Application |
|---|---|---|---|
| 19B334 | Square Machine Key | 1/8" x 1/2" | Drive and shaft assembly support |
Over time, machine keys may wear due to vibration, heavy use, or improper alignment. Replacing a damaged key helps maintain equipment reliability and supports smoother operation of rotating assemblies.
Using the correct OEM-sized key also helps minimize unnecessary wear on shafts, pulleys, and related mechanical components.