ASTM E 380-1993SAE MA 1370-1990SAE MA 3279SAE MA 3280SAE MA 3281SAE MA 3329SAE MA 3330SAE MA 3331FED-STD-H28/21
适用范围
This SAE Metric Aerospace Standard (MA) provides for helical coil screw thread inserts, both free running and self-locking, installation screw thread dimensional data and guidance on insert length selection. The document also provides formulas for determining requirements when non standard insert lengths are necessary.