Ibyuma bidafite ibyuma byo kwikuramo ibyuma mu Bushinwa bitanga imashini yo kwikorera mu byiciro bya A2 na A4 by'icyuma.Turi bambere bayobora Ss Self 12
Kanda Imiyoboro muri ibyo bikoresho byombi.Hano hari ibicuruzwa bihendutse bikozwe muri 410 martensitike idafite ibyuma-byuma.Imashini itagira ibyuma
Hex Head ikozwe numutwe wa mpande esheshatu kugirango byoroshye gutwara hamwe nibikoresho.
Umutwe wa mpande esheshatu utanga imbaraga zumuriro iyo utwarwa nibikoresho.Umuyoboro
Icyuma cyo kwikuramo ibyuma Umutwe ni ubwoko bumwe bwibishushanyo mbonera bikoreshwa muburyo bwihariye bwo kwishyiriraho.Umwihariko wo kwikubita agashyi ni uko badakenera umwobo.Zishobora gushyirwa hejuru yubutaka hanyuma zigatobora umwobo wazo wikigereranyo nkuko ibyuma bitagira umuyonga wifashisha urupapuro rwicyuma. Diameter yimigozi iratandukanye kuva 3.9mm kugeza kuri 6.3mm kandi uburebure bwimigozi burashobora gutandukana kuva 12mm kugeza kuri 50mm.Ibyuma bidafite ibyuma byo kwikuramo ibyuma birashobora kandi kuza muburyo butandukanye kandi
irangiza.