Get more from your mortiser
Lubricate the column
Most benchtop mortiser heads slide up and down on a dovetailed column. To minimize metal-on-metal friction, apply a lubricant that dries without leaving a residue, such as Bostik TopCote or Empire Dri-Tool [Sources, slide 5]. A lubricant that leaves a greasy or oily residue will attract dust, requiring more frequent cleaning and relubricating.
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