Spoolio - Hatchbox Spool Holder for 1kg 1.75mm Filiment
Description
This Is A Spool Holder That Uses 608 Bearings To Reduce Friction. The 608 Bearing Is Used In Fidget Spinners And Skateboards, So It Can Be Purchased For Very Cheap - Less Than $1 Each. I Used A Bic Pen For The Shaft. It Is Right Around 8Mm Diameter, So It'S A Tight Fit Through The 608 Bearings. I Plan On Using An Old Carbon Fiber Arrow Shaft When I Convert To A Dry Box With Multiple Spools On A Single Shaft. This Is Designed For A Hatchbox Spool Bore Of 55Mm And A Width Of 68.5Mm, But With The Threads It Should Work On Thicknesses Between 60-90Mm. The Threads On The Spool Holder Parts Are M30X3.5. The External Threads Are Based On The Root Diameter Of 31.5Mm, Giving About 0.75Mm Of Clearance Between The Threaded Parts. I Bought A 15 Pack Of Bearings On Amazon Prime For $10.99. Https://Www.Amazon.Com/Gp/Product/B07233Fgq6 
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