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Shopsmith Power Coupler and Coupling Kit

Shopsmith Power Coupler


The Shopsmith Power Coupler is made of a specially-designed, durable plastic compound designed to break or shatter in order to distribute the force exerted by the spindle in the event of binding or catching of the spindle instead of the spindle, spindle housing, or SPT drive mechanism breaking, which could result in a costly repair or potentially hazardous situation. Each end mates with specially-designed, splined metal hubs that attach your MARK 7, & other MARK models to your Special Purpose Tools.

Note: The coupler kit is required to connect Special Purpose Tools (SPTs) to your Shopsmith MARK 7 or other MARK model. (It has come standard with all MARK models manufactured since April 1985)



Shopsmith Power Coupler

Shopsmith Power Coupler Connector


Making the Connection Between Your Special Purpose Tools and Your Shopsmith MARK 7, Mark V Headstock, or Power Station

Or buy a pair of couplers!
By buying two, you'll have a spare handy and save!



503574 Shopsmith Power Coupler (Coupler Only) ...   $21.49


556135 (2) Shopsmith Power Couplers (Couplers Only) ...   $34.96



Convenient, Do-It-All Kits make it easy to chose!


Shopsmith Complete Coupler Kit

NEW! Shopsmith Complete Power Coupler Kit

Now get everything you need to get started using your Shopsmith Special Purpose Tools in one convenient package! You'll receive our durable plastic coupler, two 4-splined metal hubs that attach to the upper & lower drive-side spindles on your MARK 7 or Mark V headstock, PLUS both 5/8" & 1/2" 5-splined accessory hubs to conect all your special purpose tools.

505631 NEW! Shopsmith Complete Power Coupler Kit ...   $44.99



Shopsmith Classic Power Coupler Kit

Classic Coupler Kit With Upper & Lower Headstock-Side Drive Hubs

The Classic Coupler Kit includes the coupler and both 4-splined metal hubs that attach to the upper & lower drive-side headstock spindles of your MARK 7 / Mark V headstock).



Note: Special Purpose Tool (Bandsaw, Jointer, etc.) accessory hubs are not included. Order the appropriate accessory hubs you need in the Special Purpose Tool Accessory Hubs section below.

555124 Shopsmith Classic Power Coupling Kit
(Includes coupler and both headstock-side metal drive hubs) ...   $31.99


Accessory and Drive Hubs

Shopsmith SPT Hub Compatability Chart


Special Purpose Tool Accessory Hubs

503572 1/2" SPT Accessory Hub
(for Jointer, Jigsaw or Scroll Saw) ...   $6.99

503740 5/8" SPT Accessory Hub
(for Bandsaw, Belt Sander, Planer or Strip Sander) ...   $6.99


Extra Headstock Drive Hubs

503570 Upper Drive Hub Assembly ...   $6.99

503738 Lower Drive Hub Assembly ...   $6.99

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