Madaxa Wareegga Xididda Qalloocan ee Bolt
Halbeegga wax-soo-saarka
| Cabbirka xadhigga d | M12 | M16 | M20 | M22 | M24 | M27 | M30 | M36 | |
| P | garoonka | 1.75 | 2 | 2.5 | 2.5 | 3 | 3 | 3.5 | 4 |
| dk | Min | 21 | 27 | 34 | 38.5 | 43 | 48 | 52 | 66 |
| k | magac ahaan | 8 | 10 | 13 | 14 | 15 | 17 | 19 | 23 |
| Max | 8.8 | 10.8 | 13.9 | 14.9 | 15.9 | 17.9 | 20 | 24 | |
| Min | 7.2 | 9.2 | 12.1 | 13.1 | 14.1 | 16.1 | 18 | 22 | |
| b | L≤125 | 30 | 38 | 46 | 50 | 54 | 60 | 66 | 78 |
| 125 L≤200 | - | 44 | 52 | 56 | 60 | 66 | 72 | 84 | |
| L ＞200 | - | - | 65 | 69 | 73 | 79 | 85 | 97 | |
| ds | Max | 12.7 | 16.7 | 20.84 | 22.84 | 24.84 | 27.84 | 30.84 | 37 |
| Min | 11.3 | 15.3 | 19.16 | 21.16 | 23.16 | 26.16 | 29.16 | 35 | |
| db | magac ahaan | 7.7 | 11.3 | 14.1 | 15.4 | 16.8 | 19 | 21.1 | 25.4 |
| Max | 8 | 11.6 | 14.4 | 15.7 | 17.1 | 19.3 | 21.4 | 25.7 | |
| Min | 7.4 | 11 | 13.8 | 15.1 | 16.5 | 18.7 | 20.8 | 25.1 | |
| dc | Min | 8.36 | 12.43 | 15.6 | 17.06 | 18.65 | 21.13 | 23.5 | 28.5 |
| F1 | Min | 11 | 13 | 15 | 15.5 | 16 | 19 | 21 | 25 |
| Max | 16 | 18 | 21 | 21.5 | 24 | 26 | 31 | ||
| r | Min | 1.2 | 1.2 | 1.5 | 1.5 | 1.5 | 2 | 2 | 2 |
| R | magac ahaan | 18 | 20 | 22 | 23 | 25 | 27 | 30 | 36 |
| Max | - | - | - | - | - | - | - | - | |
Sharaxaada wax soo saarka
Qaab dhismeedka birta torsion dhogorta xiirid waa boolal aad u sarreeya iyo sidoo kale nooc ka mid ah qaybta caadiga ah. Dhalooyinka qaab dhismeedka birta waxay u qaybsamaan boolal xoog sare leh oo xiirid torsion ah iyo boolal waaweyn oo laba geesood ah. Boolal waaweyn oo laba geesood ah ayaa iska leh darajada xoogga sare ee boolal caadi ah, halka torsion-xiiritaanka boolal-xoog-sare ay yihiin nooc la hagaajiyay oo ah boolal waaweyn oo xoog badan oo laba geesood ah si dhismo fiican loo sameeyo. Birta qaab dhismeedka weyn ee birta lix geesoodka ah waxay ka kooban tahay hal bolt, hal laws, iyo laba weel. Maroojin birta qaab dhismeedka birta waxay ka kooban tahay hal bool, hal laws, iyo hal dhaqe. Qaab dhismeedka guud ee birta, birta qaab dhismeedka loo baahan yahay waa fasalka 8.8 ama ka sareeya, iyo sidoo kale darajooyinka 10.9 iyo 12.9, kuwaas oo dhamaantood ah birta qaab dhismeedka birta oo aad u sareysa. Mararka qaarkood, boolalka ku yaal dhismayaasha birta uma baahna koronto-samaynta.
Dhererka xiirid torsion bolt-xoog sare waa dhererka laga bilaabo dusha taageerada hoose ee madaxa fur ilaa jeexan dhamaadka furka. Torsion xiirid bolt-xoog sare ayaa leh madaxa ubaxa plum dabada ee furka, iyo fur gaar ah ayaa loo isticmaalaa si loo adkeeyo lawska inta lagu jiro dhismaha. Hirarka marka madaxa ubaxa plumku uu jabo waa qulqulka caadiga ah. Dhammaantood waxay ka tirsan yihiin is-jiidhiyaha nooca xargaha-xoogga sare leh oo la bedeli karo, laakiin torsion-xiirid nooca-xiirashada ah ee xajmiga sare uma baahna xisaabinta qulqulka waana sahlan tahay in la hubiyo qulqulka, taas oo ka fogaan karta ifafaalaha awood la'aanta si loo hubiyo adkeynta kama dambaysta ah sababtoo ah khaladaadka xisaabinta ama isticmaalka furayaasha caadiga ah halkii laga isticmaali lahaa wiishyada qulqulka.
Baaxadda madaxa laba geesoodka ah ee qaab dhismeedka birta lammaane weyn oo bool leh ayaa ka duwan midka guud ee labada dal ee laba geesoodka ah. Baaxadda madaxa laba geesoodka ah ee qaab dhismeedka birta lammaane weyn oo bool leh oo laba geesood ah ayaa ka weyn midka caadiga ah ee alaabada boolka leh ee laba geesoodka ah. Sidaa darteed, qaab dhismeedka birta lammaane isku xidhka bool leh ee weyn waxa sidoo kale loogu yeedhi karaa qaab dhismeedka birta lammaane isku xidhka laba geesoodka weyn. Qaab dhismeedka birta ee weyn ee isku xirka bolt hexagonal waxaa inta badan loo isticmaalaa dhismaha warshadaha iyo dhismayaasha madaniga ah, buundooyinka tareenka, buundooyinka wadooyinka, buundooyinka dhuumaha, munaarad iyo qaab dhismeedka masst, foomamka kuleyliyaha, dhismayaasha birta kuleyliyaha, dhirta waaweyn-span warshadaha, dhismayaasha madaniga ah ee sare-sare, munaaradaha kala duwan, dhismayaasha birta fudud, mashiinada qaadista, iyo dhismayaasha kale ee isku xirka birta.
Qayb kasta oo ka mid ah qaab dhismeedka birta ee weyn ee isku xirka boodhka laba geesoodka ah waxaa ku jira hal qaab-dhismeed bir ah oo aad u sarreeya oo isku xira laba geesoodka weyn ee GB/T 1228, hal lows GB/T1229 ah oo aad u sarreeya oo loogu talagalay qaab dhismeedka birta, iyo laba dhaqdhaqaale sare oo GB/T1230 ah oo loogu talagalay qaab-dhismeedyada birta, kuwaas oo dhammaantood lagu soo saaray isku dufcad isku mid ah. Heerarka isku xirka laba geesoodka weyn ee dhismaha birta waxaa ka mid ah: GB/T1228-2006 Qaab-dhismeedka Birta Large Large Bolt Connection Large GB/T1231-2006 Shuruudaha Farsamo ee Lammaanaha Isku Xidhka Laba geesood ee Weyn, Nuts Laba geesood ah oo Weyn, iyo Mashiinnada Dhismayaasha Birta.
Marka la ururinayo lammaanaha isku xidha ee biraha laba geesoodka ah ee waaweyn ee dhismayaasha birta ah, dhinaca maydhsan ee dhaqaha ee ka hooseeya madaxa birta waa in ay wajahaan madaxa birta; Marka la dhisayo isku xirka laba geesoodka weyn ee dhismayaasha birta, furaha qulqulka ayaa loo baahan yahay, kaas oo u baahan meel shaqo oo weyn una baahan in la dhamaystiro laba qaybood: adkaynta bilowga ah iyo adkaynta ugu dambeysa. Dhismuhu waa ka dhib badan yahay marka la barbar dhigo boolal xiiran; Kormeerka tayada ayaa sidoo kale u baahan kormeer xoog leh, oo u baahan qalab xirfad leh iyo kormeerayaal tayo leh.