ISO-7045-1994.pdf

international standard is0 7045 second edition 1994-04-01 pan head screws with type h or type 2 cross recess - product grade a vis b mktaux b t b = i - a. is0 7045:1994(e) 4 specifications and reference international standards see table 2. table 2 material general requirements thread mechanical properties tolerances cross recesses finish international standard tolerance international standards property class international standards product grade international standard international standard steel stainless steel non-ferrous metal is0 8992 6g is0 261, is0 965-2 4.8 a2-50, a2-70 . . . is0 898-l is0 3506 is0 8839 a is0 4759-l is0 4757 plain requirements for electroplating are covered in is0 4042. if different electroplating requirements are desired or if re- quirements are needed for other finishes, they shall be agreed between customer and supplier. limits for surface discontinuities are covered in is0 6157-i. acceptability acceptance procedure is covered in is0 3269. 5 designation example of designation: a cross-recessed pan head screw with thread m5, nominal length i= 20 mm, property class 4.8 and cross recess type z is designated as follows: pan head screw is0 7045 - m5 x 20 - 4.8 - z is0 7045:1994ei ics 21.060.10 descriptors: fasteners, screws, cross recessed screws, pan head screws, s