Umzi-mveliso waseTshayina wokuqhoboshela ulayisha isikhongozeli sokomelela iibholiti ze-hex eziphezulu, intonga enentambo, ibhawuti ye-stud Iibholiti ze-ZYL ezikumgangatho ophezulu we-hexagon DIN931 DIN933, izikrufu zesocket DIN912, iibholiti zeflange din6921 DIN912 hex izikrufu socket , Allen iibholiti M10 M12 M16 M20 M24 M27 umatshini abandayo forged Ukuveliswa kweebholiti zeHex China fastener, iibholiti hex ISO4014/4017 Iibholiti, iiNti, iiBolt zeStud Iveliswa njani i-A193 B7?