Peb tsim ntau yam khoom siv khawm tapered hauv ntau qib sib txawv raws li hauv qab no.
Qhov loj ntawm lub laum: 32 mm txog 48 mm.
Qhov ntev ntawm lub laum: kev cai
Lub kaum sab xis: 7°, 11°, 12°.
Qhov loj ntawm tus kav: Hex. 19 mm, hexagonal, 22 mm thiab hexagonal. 25 mm.
Kev teeb tsa tus yuam sij: 4-khawm, 5-khawm, 6-khawm, 7-khawm, 8-khawm
Cov ntaub ntawv khoom.
1. Cov khoom siv raw: 35CrNiMoV (cov khoom siv raw thawj zoo alloy)
1. Kev hnav tsis kam siab
2. Kev ua haujlwm zoo
3. Lub neej ua haujlwm ntev
4. Tus nqi tsim nyog ntawm lub Hoobkas ncaj qha muag khoom
5. Yam tsawg kawg nkaus kom muaj nuj nqis: 1 daim rau kev kuaj xyuas qhov zoo
6. Kev txiav txim tshwj xeeb muaj
7. Kev kho xim
8. Cov yeeb nkab laum: hexagonal B22



Cov hniav kem me ntsis Pob zeb laum me ntsis Plum blossom me ntsis kem hniav me ntsis Cov yam ntxwv ntawm cov khoom:
1. Cov hniav ntawm kem muaj kev ua haujlwm siab heev: siv cov thev naus laus zis tshwj xeeb, cov hniav sib xyaw ua ke nyuaj heev, qhov nyuaj (HRA) ≥92.5, lub zog ≥2800N.
2. Lub neej ntawm lub cev ris tsho ntawm cov hniav ncej tau nce ntxiv 50%: lub cev ris tsho tau kho cua sov thiab ua kom raug, lub cev ris tsho muaj zog heev thiab tsis tawg.
3. Kev khawb thiab khawb av ceev ceev, txhua yam tsis muaj kev sib tw.
Peb yog ib lub tuam txhab tsim khoom siv pob zeb nto moo hauv Suav teb, tshwj xeeb hauv kev tsim cov cuab yeej siv pob zeb nrog kev ua haujlwm zoo heev thiab cov ntaub ntawv zoo tshaj plaws, tsim tawm raws li cov qauv zoo hauv kev lag luam thiab CE, ISO9001 daim ntawv pov thawj zoo. Cov tshuab drilling no yooj yim rau nruab, ua haujlwm thiab tswj. Cov tshuab drilling muaj tus nqi tsim nyog thiab yooj yim siv. Lub tshuab laum pob zeb yog tsim los kom ruaj khov thiab siv tau ntev, tsis yooj yim puas tsuaj, nrog rau ntau yam khoom siv laum pob zeb.