Super strong spool holder

需要 608轴承2个（建议阿里巴巴采购最低单个0.15元）需要m3热熔螺母4个（m3x5x4）m3内六角螺丝8个（m3x10或者12）滚筒中轴默认支持纸盘料（整体摩擦系数很小，如要整大摩擦请在滚筒中轴贴上美纹纸）支持1kg料盘 支持3kg料盘需要您取消等比例拉伸，根据您的料盘尺寸拉伸滚筒轴和连接1Two 608 bearings are required (it is recommended that Alibaba purchase a minimum of 0.15 yuan per unit)4 m3 hot melt nuts are required (m3x5x4)8 inner hexagon screws (m3 x 10 or 12)The central axis of the drum supports paper tray material by default (the overall friction coefficient is very small, if you want to increase the friction, please stick Meiwen paper on the central axis of the drum)Supports 1kg material traySupporting a 3kg tray requires you to cancel proportional stretching and stretch the drum shaft and connection 1 according to the size of your tray