GRUB SCREWS FOR SPINDLES DOOR HANDLES KNOBS GRUB SCREW. 4mm, 5mm, 6mm HEX HEAD GRUB SCREW FOR DOOR HANDLE KNOBS SPINDLE FREE ALLEN KEY. M4 / 4mm, M5 / 5mm, M6 / 6mm. Used to fasten door handles,lever handles and knobs on the spindle.
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