Bruel-Kjaer - AC-350 referenced Grub Screw M8 x 1.25 product produced by high technology. AC-350 became irreplaceable of foundations. AC-350 referenced product which is satisfy the customer's needs, offers advantages of quality and cost. It produced result of tests of laborotory for years. AC-350 referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.