
Screws yog siv los txuas ob yam khoom. Feem ntau, lub taub hau ntawm cov ntsia hlau yuav protrude saum npoo ntawm cov khoom sib txuas, ua rau qhov chaw tsis sib xws. Countersunk screws tuaj yeem tog hauv qab ntawm qhov chaw kom ua rau lub ntsej muag tiaj tus. Cov khoom tawv yuav tsum tau tho qhov countersunk ntawm qhov sib thooj ntawm lub taub hau countersunk. Hauv luv luv, lub taub hau countersunk txhais tau hais tias lub taub hau ntawm cov ntsia hlau tuaj yeem ua kom lub ntsej muag tiaj tus tom qab kev teeb tsa. Thiab ntoo screws yog siv los ntsia hlau rau hauv ntoo rau kev sib txuas los yog fastening.
| Khoom npe | Hexagon Socket Countersunk Ntoo Flat Ntsia Hlau |
| Khoom siv | Carbon steel, stainless hlau |
| Nto tiav | Zinc daj, Dub, Xiav thiab dawb zinc, Dacromet, HDG |
| Xim | Daj, Dub, Blue Dawb, Dawb |
| Standard Number | DIN, ASME, ASNI, ISO |
| Qib | 4.8 5.8 8.8 10.9 A2-70 |
| Txoj kab uas hla | M5 M6.3 M7 |
| Xov form | Coarse thread, Fine thread |
| Qhov chaw ntawm keeb kwm | Hebei, Suav |
| Hom | Muyi |
| Pob | Box + cardboard thawv + pallet |
| Cov khoom tuaj yeem kho tau | |
| Screws yog siv los txuas ob yam khoom. Feem ntau, lub taub hau ntawm cov ntsia hlau yuav protrude saum npoo ntawm cov khoom sib txuas, ua rau qhov chaw tsis sib xws. Countersunk screws tuaj yeem tog hauv qab ntawm qhov chaw kom ua rau lub ntsej muag tiaj tus. Cov khoom tawv yuav tsum tau tho qhov countersunk ntawm qhov sib thooj ntawm lub taub hau countersunk. Hauv luv luv, lub taub hau countersunk txhais tau hais tias lub taub hau ntawm cov ntsia hlau tuaj yeem ua kom lub ntsej muag tiaj tus tom qab kev teeb tsa. Thiab ntoo screws yog siv los ntsia hlau rau hauv ntoo rau kev sib txuas los yog fastening. | |