Round Head Screw

สกรูหัว Round

Sizes Chart, Shape and Dimension

JIS B 1111 (Annex) Round Head Crossed Recess & JIS B 1101 Round Head Slotted Screw (mm.)

ASME B18.6.3-1972 Round Head Cross Recessed & Slotted Machine Screw & SEMS (mm.)