Zvakawanda sei zvaunoziva nezve drill tail screws

Self tapping screws: mechanic kuita zvinodiwa
Kuoma kwemoyo: kukosha kwakajairika HRC28-38. Paunenge uchiyedza, tora muchinjikwa-chikamu chiri 1-2 nguva yedhayamita yemuswe pakuyera. Kana hurefu hwechiyero hwakanyanya kupfupika, inogona kuisirwa kutanga uye yozoedzwa kuoma
Kuoma kwechiso: Standard MINHV450
Carbonized layer: Standard 4 # -6 #: 0.05-0.18mm, 8 # -12 #: 0.10-0.23mm, 14 #: 0.13_0.28mm. Chinangwa chikuru che carburization ndechekuwedzera kuoma kwepamusoro uye kuve nechokwadi chekusimba kwemeno. Kana iyo decarburization yakadzika zvakanyanya uye iyo carburization haina kukwana, simba remeno haringaite zvinodiwa, izvo zvinoreva kuti mazino achakuvadzwa panguva yescrew mukuedzwa.