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I-ASTM ikhuphe umgangatho omtsha kwi-2015 (emva kokukhululwa kwe-ASTM ye-2015 Volume 01.08) edibanisa imigangatho emithandathu ye-bolting yesakhiwo phantsi kwenkcazo ye-ambulera enye. Umgangatho omtsha, i-ASTM F3125, inesihloko esithi “Ukucaciswa kweeBolts zeZakhiwo eziPhezulu zaMandla, iNsimbi kunye neNtsimbi yeAlloy, Yena...Funda ngokugqithisileyo»
