PSI LA3418X Spindle Adapter
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The PSI Woodworking LA3418X is a lathe headstock spindle adapter that converts a 3/4-inch by 16 TPI spindle thread to a 1-inch by 8 TPI thread, allowing turners to use a wider range of chucks, faceplates, and accessories on compatible lathes. It is a simple but practical machined steel accessory designed to expand the versatility of smaller lathes without requiring a new machine. Overall, it offers a cost-effective solution for woodturners who want to upgrade their accessory options without sacrificing compatibility.
Key Features & Specs
| Thread Conversion | Converts 3/4" x 16 TPI spindle thread to 1" x 8 TPI thread |
|---|---|
| Material | Machined steel construction for durability and stable thread engagement |
| Compatibility | Designed for lathes with a 3/4" x 16 TPI headstock spindle, common on many entry-level and benchtop models |
| Purpose | Enables use of chucks, faceplates, and accessories threaded for 1" x 8 TPI spindles |
| Installation | Threads directly onto the existing headstock spindle with no tools or modifications required |
| Dimensions | Compact adapter sized to fit standard headstock configurations without interfering with lathe operation |
| Brand | PSI Woodworking, a recognized name in lathe accessories and woodturning supplies |
Best for: Hobbyist and intermediate woodturners who own a smaller lathe with a 3/4" x 16 TPI spindle and want to expand their accessory compatibility to use more widely available 1" x 8 TPI chucks and faceplates.