ISO 724: 1993 (en) yog ISO hom phiaj teeb meem metric threads Basic Dimensions. qhia txog qhov yooj yim, hauv millimeters, ntawm ISO metric ntsia hlau threads raws li ISO 261. Qhov tseem ceeb yog xa mus rau qhov profile ua raws li ISO 68.
Cov ntawv pov thawj raws li nram no:
ISO 68: -1), ISO general-purpose ntsia hlau threads - Basic profile.
ISO 261: -2), ISO general-purpose metric ntsia hlau threads - General plan.
ISO 5408: 1983, Cylindrical ntsia hlau xov - Cov lus.
