Fasalka 8.8 Hex Bolts

2026-08-03

1. Fasalka 8.8 - Dhexdhexaad-Xoog Adag oo Sare

1.1 Decodeynta 8.8 Magacaabidda

Astaanta "8.8" waa astaamaynta heerka hantida ee lagu qeexay ISO 898-1, heerka caalamiga ah ee xukuma sifooyinka farsamada ee birta kaarboonka iyo xirmooyinka birta daawaha. Nidaamka laba-god wuxuu dhigayaa laba cabbir oo farsamo oo muhiim ah:

● Nambarka koowaad (8): Wuxuu muujiyaa toban meelood meel meel ka mid ah xoogga jilicsanaanta magaca ee megapascals → 8 × 100 = 800 MPa ugu yaraan xoogga xajinta.

● Nambarka labaad (.8): Waxay ka dhigan tahay saamiga wax-soo-saarka → 0.8 × 800 = 640 MPa ugu yar ee xoogga wax-soo-saarka.

Xidhiidhiyayaasha darajada 8.8 ayaa ah kuwa ugu ballaadhan ee loo isticmaalo xidhidhiyeyaasha qaabdhismeedka guud ee adduunka oo dhan, daboolaya boolal hex, boolal koofiyad hex ah, boolal gaadhiga, boolal istuud ah, iyo boolal si buuxda u dunsan oo loogu talagalay dhismaha birta, shirarka baabuurta, iyo mashiinada guud.

Jaantuska 1. Fasalka 8.8 boolal hex ah oo leh calaamadaynta heerka hantida

1.2 Guryaha Makaanikada

Xidhiidhiyayaasha darajada 8.8 waxa laga soo saaray birta kaarboon dhexdhexaadka ah waxaana la mariyaa deminta iyo xanaaqa (Q&T) si loo gaadho waxqabadka farsamada ee loo baahan yahay. Qalabka muhiimka ah ee ISO 898-1:

Hanti	Qiimaha	Unug
Xoogga ugu Yar ee Jeelka (Rm)	800	MPa
Xoogga Wax-soosaarka Ugu Yar (ReL)	640	MPa
Balaarinta ugu yar ee jabka ka dib	≥ 12	%
Hardness Core (HV)	250-310	HV
Qalafsanaanta Q&T ee Caadiga ah (HRC)	22–32	HRC
Dhexroorka Magaca Bolt	M5 – M39	mm

Shaxda 1. Qalabka muhiimka ah ee farsamada ee xirmooyinka Fasalka 8.8 ee ISO 898-1

1.3 Agabka lagu taliyay

Xulashada alaabta ceeriin ee saxda ah ayaa aasaas u ah soo saarista xeryahooda la isku halayn karo ee Fasalka 8.8. Biraha soo socda, oo ay weheliyaan Q&T habboon, waxay gaadhaan waxqabadka Fasalka 8.8 joogto ah:

● 35# Birta Kaarboon Dhexdhexaadka ah - Ku haboon xirayaasha dhexroorka yar (≤ M16). Kharash-ku-ool ah, adkeysi ku filan Q&T kadib.

● 45# Dhexdhexaad-Carbon Steel - Doorashada ugu caansan ee Fasalka 8.8 boolal hex ah iyo boolal istuud ah. Mashiin wanagsan, siyaalo farsamo oo deggan kadib Q&T.

● 40Cr Alloy Steel - Waxaa loo door bidayaa boolal dhexroorka ka weyn (M20+). Ku darida Chromium waxay wanaajisaa adkaanta iyo isku-duubnida is-goysyada qaybaha.

1.4 Isbarbardhigga Fasalka

Darajo	Xoojinta (MPa)	Wax-soo-saarka (MPa)	Agabka lagu taliyay
4.6	400	240	Bir kaarboon yar, aan kuleyl lagu daweyn
4.8	420	340	Bir kaarboon yar, qabow-shaqeeyay
8.8	800	640	35# / 45# Birta Kaarboon, 40Cr Alloy Steel; Q&T
10.9	1,040	940	40Cr, 35CrMo, 42CrMo, SCM435; Q&T
12.9	1,220	1,100	42CrMo4 / SCM440, 35CrMoV; Q&T 39–44 HRC

Shaxda 2. Fasalada hantida xidheha guud iyo agabka lagu taliyay

2. Hex Bolts - Xadhigaha ugu Wanaagsan

2.1 Waa maxay Hex Bolt?

Daboolka hex-ga ah (Bolt madaxa laba geesoodka ah) waa xire dun leh oo leh madax lix-gees ah, oo loogu talagalay in la geliyo godadka qaybo la isku daray oo lagu hubsado lowska. Joomatari laba geesoodka ah ayaa u oggolaanaya furaha ama ka-qaybgalka godka xaglo badan, taas oo ka dhigaysa nooca bolt ee ugu waxtarka badan uguna ballaaran dhammaan warshadaha oo dhan. Laba nooc oo waaweyn ayaa jira:

Hex Bolt (ISO 4014 / DIN 931) - Qayb ahaan dunta: qayb shank ah oo aan la daabicin ayaa bixisa xoogga xiirta iyo toosinta, oo ku habboon isku xirka qaabdhismeedka.

● Hex Cap Screw (ISO 4017 / DIN 933) - duntu si buuxda u duuban tahay: duntu waxay wadaan dhererka oo dhan, oo ku habboon codsiyada u baahan ka-qaybgalka dunta ugu badan.

Jaantuska 2. Anatomy bolt hex - curiyayaasha qaab dhismeedka muhiimka ah

2.2 Noocyada Hex Bolt ee Caadiga ah & Kala duwanaanshaha

● Hex Head Bolt / Cap Screw — Heerarka madaxa lix-geesoodka ah; ugu badan, loo isticmaalo dhismaha, mishiinada, baabuurta.

● Hex Flange Bolt - Dhaqdhaqaaq isku dhafan oo u eg garabka madaxa hoostiisa; qaybiyaa culeyska isku dhejiska ah, wuxuu baabi'iyaa dhaqaha kala duwan.

Heavy Hex Bolt (ASTM A325) - Madax ka weyn isku xirka birta qaab dhismeedka; ku qeexan heerarka Waqooyiga Ameerika.

● Hex Lag Bolt / Carriage Bolt - Kala duwanaansho gaar ah oo loogu talagalay isku xirka alwaax-ilaa-birta iyo alwaaxyada.

2.3 Cabirka Guud & Cabbirrada

Cabbirka	Garoon	Fure	Madaxa dia.	Madaxa ht.	Shank dia.	Dhererka dhererka
M6	1.0	10 mm	10.0	4.0	6.0	16–60
M8	1.25	13 mm	13.0	5.3	8.0	20-80
M10	1.5	16 mm	16.0	6.4	10.0	25–100
M12	1.75	18 mm	18.0	7.5	12.0	30-120
M16	2.0	24 mm	24.0	10.0	16.0	40-150
M20	2.5	30 mm	30.0	12.5	20.0	50-200
M24	3.0	36 mm	36.0	15.0	24.0	60-240

Shaxda 3. Fasalka 8.8 hex bolt cabirka ISO 4014 / ISO 4017

3. Fasalka 8.8 Hex Bolts - Xulashada & Codsiga

3.1 Daaweynta Dusha sare

Xulashada daawaynta dusha sare waxay ku xidhan tahay jawiga qalliinka iyo shuruudaha ilaalinta daxalka. Ikhtiyaarada caadiga ah ee bolts 8.8 hex waxaa ka mid ah:

Zinc Plating (Electroplated) - Dhaqaale, iska caabin daxalka dhexdhexaad ah; doorashada caadiga ah ee gudaha iyo deegaanka khafiifka ah.

Galvanizing Hot-Dip Galvanizing - daahan zinc qaro leh oo loogu talagalay soo-gaadhista dibadda iyo badda; waxay u baahan tahay nuts la taabtay oo aad u weyn.

● Dacromet-ka-ka-free-chromium, habka deegaanka u wanaagsan; iska caabbinta milixda-buufinta sare iyada oo aan lahayn khatarta qallafsanaanta hydrogen. Ku habboon codsiyada baabuurta iyo qaab dhismeedka.

● Dahaarka Ruspert - Saddex lakab oo organic/zinc ah oo ka kooban; cimilada aad u fiican, sida caadiga ah lagu qeexay heerarka warshadaha Japan.

3.2 Hagidda Rakibaadda

● Isticmaal lowska u dhigma ee Fasalka 8 si aad u waafaqdo xoogga dunta.

● Codso wareegtada adkeynta ee go'an xaashida xogta soo saaraha; adkeynta xad-dhaafka ah waxay keenaysaa guul-darro.

● Saliid dunta ka hor inta aan la isticmaalin qulqulka - isku-xirnaanta isku-dhafka ayaa si weyn u saameeya rarka hore ee la gaaray.

● Hubi in ugu yaraan hal dun oo buuxa ay ka soo baxdo wejiga lowska ka dib markaad xoojiso.

● Ka fogow inaad dib ugu isticmaashid bolts Fasalka 8.8 ee isku xirka qaabdhismeedka muhiimka ah ka dib markii hore oo buuxo.

3.3 Heerarka & Shahaadada

Fasalka 8.8 boolal hex waa la soo saaray oo la tijaabiyay si waafaqsan:

TS EN ISO 898-1 Qalabka makaanikada ee xirmooyinka ka samaysan birta kaarboonka iyo birta daawaha

TS EN ISO 4014 - Boolal hex ah oo leh shank qayb ahaan dun leh (cabbir).

TS EN ISO 4017 - Xirmooyinka koofiyadaha oo leh dun buuxa (cabbir).

● Shahaadooyinka tijaabada alaabta oo dhan (MTC) ee EN 10204 3.1 waa la heli karaa marka la codsado.

Tixraaca Degdega ah

Darajo	Agabka lagu taliyay	Noocyada Alaabta Guud	Daawaynta kulaylka
8.8	35# / 45# Birta Kaarboon 40Cr Alloy Steel	Hex Bolt, Hex Cap Screw, Carriage Bolt, Stud Bolt	Deminta & Xanaaqa