Sebopeho sa tšepe e khanyang ke mokhoa o monyenyane le oa bohlokoa oa mohaho oa tšepe. E 'nile ea sebelisoa haholo meahong ea indasteri, ea temo, ea khoebo le ea litšebeletso. E boetse e sebelisetsoa ho eketsa fuluru, ho fetola le ho matlafatsa mehaho ea khale, le libakeng tse se nang thepa ea ho haha ​​le libakeng tse nang le lipalangoang tse sa thabiseng. Kemiso e thata ea kaho le meaho e suthisehang le e ka tlosoang e ratoa haholo ke beng ba eona. Ntho ea bohlokoa bakeng sa rona ha re aha meaho ena ea tšepe e bobebe ke li-drill-tailed self-tapping screws. Joale u tseba hakae ka li-screws tsa "self-tapping"?

"Li-screws tsa ho itšeha" li boetse li bitsoa "li-drilling screws", "li-drilling screws", "self-drilling screws", tseo hape li bitsoang "dovetail screws", Senyesemane: SELF DRILLING SCREWS. Maemo a eona a ts'ebetsong a kenyelletsa maemo a naha a GB/T 15856.1-2002, a Jeremane DIN7504N-1995, le a Japane JIS B 1124-2003.

Sekurufu sa mofuta ona se na le ntlha ea mohatla oa ho phunya, e rehelletsoeng ka ntlha e ts'oana le boro e sothang. Nakong ea kopano, screw e ka phunya lesoba le bohareng ka bo eona, ebe e sebelisa karolo e bapileng le khoele ho itšohlometsa le ho ntša screw e bapisang lesobeng la sejari. Khoele, kahoo e bitsoa "self-dolling and tapping screws".

Ho ea ka litekanyetso tsa ts'ebetsong, li-screws tsa mohatla li ka aroloa ka: standard standard GB/T, German standard DIN, Japanese standard JIS, and international standard ISO.

E ka boela ea aroloa ka mekhahlelo e latelang ho latela tšebeliso le sebōpeho:

1. Sefapano recessed pan hlooho ea ho itšebetsa le ho tlanya likurufu. Li-screws tse kentsoeng ka holim'a hlooho ea ho cheka ka khoele ea ho tlanya Tekanyetso ea ts'ebetsong: GB/T 15856.1-2002 e na le lintlha tse latelang: (hape e bitsoa mohatla oa ho phunya hlooho).

2. Cross recessed countersunk head ho itšeha le ho tlanya likurufu. Cross recessed countersunk head drilling screws with tapping screw thread Tekanyetso ea ho kenya ts'ebetsong: GB/T 15856.2-2002 e na le lintlha tse latelang: (eo hape e tsejoang e le mohatla oa ho phunya hlooho e bataletseng, mohatla oa salate oa ho phunya hlooho).

3. Hexagon flange hlooho ea ho cheka likurufu tse nang le khoele ea ho tlanya. Tekanyetso ea ts'ebetsong: GB/T 15856.4-2002. E na le lintlha tse latelang: (hape e bitsoa hexagonal Dahua drill tail, e leng e 'ngoe ea li-screw tsa mohatla oa boro. Tlhaloso e sebelisoang haholo le e kholo ka ho fetisisa.)

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4. Hexagon washer hlooho ea ho cheka likurufu tse nang le khoele ea ho tlanya. Tekanyetso ea ts'ebetsong: GB/T 15856.5-2002. E na le lintlha tse latelang: (hape e bitsoa hexagonal small washer drill tail.)

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