Gabaɗaya, kayan abin yankan niƙa sun kasu zuwa: 1. HSS (High Speed Steel) galibi ana kiransa ƙarfe mai saurin gudu.Features: ba sosai high zafin jiki juriya, low taurin, low price da kyau tauri.Gabaɗaya ana amfani da su a cikin drills, masu yankan niƙa, taps, reamers da wasu ...
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