Bearing of nut is not affected by coolant. É´U ü ^ S ² Í^d b{ Ð µÏ t úw Ü t ü ^ S ÿ< 0n` b{×ç¼³ßï« T éw ¥V Z` Ð TUD ópb{»ï¬ Ç ú ] ; ÖZ b{Ball bearings are used to reduce friction. Trapezoidal thread is used for higher accuracy. Two pieces structure is used to reduce run out caused by set off cutting tool.
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