The data contained in this literature was current as of the date of publication . Updates and changes may be made based on later testing . If verification is needed that the data is still current , please contact the Hilti Technical Support Specialists at 1-800-879-8000 . All published load values contained in this literature represent the results of testing by Hilti or test organizations . Local base materials were used . Because of variations in materials , on-site testing is necessary to determine performance at any specific site . Laser beams represented by red lines in this publication . Printed in the United States .