... Specifications and Variables Highly polished finish 6-8 micro finish. Precision form ground to close diameter tolerance +.0002/-.000. Common ... , Punch Pins, Guide Pins, Dowel Pins, Parallel Pins, Guide Pillar, Guide Bush sets of stairs Lead Guides and Step Guides in ... from Japan. We have rich experience in manufacturing high precision and high hardness tool accessories and machinery accessories.Our ...