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Guide Pillars & Bushings for Die Set
Material:  SUJ2
Hardness:  HRC58~
Tolerance for Guiding Pillars and Bushings is controlled within 0.003mm strictly Especially for high-rigidity guide posts sets, the arrange density for ball bearing guide sets are approximately 1.7 times more than the general ones’ that improving the point connection of the ball to 70% for guide bushings.
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