Idler Pulley Post
Note: Sorry for the misleading that this idler post used directly with timing pulley. No, it is Not good to work with timing pulley directly BUT to be used together with idler pulley which is ball bearing built-in.
The price marked is 1pcs D8*20*M6 Shoulder Screws as Idler Post.
RobotDigg are trying to cost down your Belt&Pulley Drive solution.
This shoulder screw or stop screw is another idler pulley or belt tensioner solution has been adopted by CoreXY, to 8mm bore pulleys, GT2 Pulley 20 Teeth 8mm Bore and GT2 Pulley 36 Teeth 8mm Bore.
It works much better with F608ZZ Ball Bearings as idler pulley.
There is OD6*16*M5 Idlder Post available to work with 6.35mm bore Timing Pulleys as IDLER.
CoreXY is using a GT2 16 Teeth Pulley and a 5mm OD, 20mm L, M4 Shoulder Screw as Idler Pulley Post.
There are sizes of should screws: smooth shaft 6mm, 10mm and 12mm. MOQ is 50pcs, please contact us by email for a quote.