Shiinaha DIN7991 Hex Socket Countersunk Screw Fasalka Kaarboon Steel Black Oxide Fasalka 8.8 10.9 soosaarayaal iyo alaab-qeybiyeyaal

DIN7991 Hex Socket Countersunk Screw Fasalka Kaarboon Steel Madaw Oxide Fasalka 8.8 10.9 Sawirka

DIN7991 Hex Socket Countersunk Screw Fasalka Kaarboon Steel Madow Oxide Fasalka 8.8 10.9

Sharaxaad Gaaban:

Heerka: DIN7991

Magaca Alaabta: Hex Socket Flat Head Screw

Erayada Muhiimka ah: DIN7991, Hex socket flat head screw, Countersunk Screw

Cabbirka: M3-M42

Qalabka: 10B21, 35CrMo, 40Cr

Fasalka Adayga: 8.8, 10.9

Daaweynta dusha sare: oksaydh madow

Dhererka Xadhkaha: Xarig-buuxa/ Xarig badhkii

Baakad: Bac/ Kartoon/Kiiska alwaax

Sifooyin kale: Bixi calaamadda madaxa la habeeyey

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Dalabka badan, fadlan la xidhiidh adeegga macaamiisha

d		M3	M4	M5	M6	M8	M10	M12	(M14)	M16	(M18)	M20	(M22)	M24
d
P	Garoon	0.5	0.7	0.8	1	1.25	1.5	1.75	2	2	2.5	2.5	2.5	3
α	tol.(+2)	90°	90°	90°	90°	90°	90°	90°	90°	90°	90°	90°	60°	60°
b	L≤125mm	12	14	16	18	22	26	30	34	38	42	46	50	54
	125 ML ≤ 200	/	/	/	24	28	32	36	40	44	48	52	56	60
	L ＞200	/	/	/	/	/	45	49	53	57	61	65	69	73
dk	Max=Magac ahaan	6	8	10	12	16	20	24	27	30	33	36	36	39
dk	Min	5.7	7.64	9.64	11.57	15.57	19.48	23.48	26.48	29.48	32.38	35.38	35.38	38.38
ds	Max=Magac ahaan	3	4	5	6	8	10	12	14	16	18	20	22	24
ds	Min	2.86	3.82	4.82	5.82	7.78	9.78	11.73	13.73	15.73	17.73	19.67	21.67	23.67
e	Min	2.3	2.87	3.44	4.58	5.72	6.86	9.15	11.43	11.43	13.72	13.72	16	16
k	Max	1.7	2.3	2.8	3.3	4.4	5.5	6.5	7	7.5	8	8.5	13.1	14
s	Magac ahaan	2	2.5	3	4	5	6	8	10	10	12	12	14	14
	Min	2.02	2.52	3.02	4.02	5.02	6.02	8.025	10.025	10.025	12.032	12.032	14.032	14.032
	Max	2.1	2.6	3.1	4.12	5.14	6.14	8.175	10.175	10.175	12.212	12.212	14.212	14.212
t	Max=Magac ahaan	1.2	1.8	2.3	2.5	3.5	4.4	4.6	4.8	5.3	5.5	5.9	8.8	10.3
t	Min	0.95	1.55	2.05	2.25	3.2	4.1	4.3	4.5	5	5.2	5.6	8.44	9.87

Faahfaahinta

DIN7991 countersunk hexagon socket screw, madaxu waa mid koobi ah, dhexda waa hexagon dib loo dhigay, madaxa furaha waxaa lagu dhejin karaa dusha sare ee korka ka dib marka la rakibo, dusha sare waa mid siman oo qurux badan. Madaxa furaha godadka laba geesoodka ah ee countersunk ayaa lagu dhejin karaa qaybta, wuxuuna codsan karaa qulqulka weyn, iyo xoogga isku xirnaanta ayaa sarreeya. Waxay bedeli kartaa godka godka hexagon. Inta badan loo isticmaalo qaab-dhismeedka is haysta, muuqaalka siman ee wadajirka. DIN7991 hexagon socket countersunk head screw waa tixraac heerka Jarmalka DIN7991-1986, kaas oo qeexaya dunta M3 -- M24 ISO metric thread, darajada alaabta A hexagon socket countersunk head screw.

DIN7991 hexagon socket countersunk boolasha madaxa ayaa laga heli karaa birta kaarboonka iyo birta aan fiicnayn. Darajooyinka waxqabadka ee birta kaarboon birta hexagon-ka birta madaxa birta ah waa 8.8, 10.9, 12.9, heerku wuxuu tixraaci karaa GB3098.1. Qalabka birta kaarboon guud ahaan waxay u baahan yihiin daawaynta dusha sare, caadi waa oksaydhaynta, korantada, sida baahida loo qabo dahaarka kale ee dusha sare ama daaweynta dusha sare, sidoo kale waa laga gorgortansan karaa. birta aan birta lahayn ee hexagon-ka birta ah ee sida caadiga ah lagu isticmaalo suuqa ayaa laga sameeyay SUS304 iyo SUS316 SUS304 heerka adkeynta shaqada dhexdhexaadka ah, ku habboon shaqada guud ee qabow iyo kala bixin; Iska caabinta daxalka ee SUS316 way ka fiican tahay tan 304. Waxay si gaar ah ugu habboon tahay warbaahinta badda iyo kiimikaad. Waxay leedahay iska caabin daxalka wanaagsan iyo iska caabin daxalka dalool.

Xirmooyinka godka hexagon waxa loo kala qaybiyaa cylindrical head hexagon ballts sida uu madaxu qabo, kaas oo inta badan la isticmaalo, waxa kale oo uu leeyahay noocyo badan, marka loo eego maaddada, waxaa jira bir, taas oo ah, birta kaarboon iyo birta aan lahayn. Birta hex birta ah waxay sidoo kale leeyihiin birta aan fiicnayn ee 304 iyo 202 iyo wixii la mid ah. Madaxa wareega hex socket bolt, kani waxa kale oo loo yaqaan pan head hex socket bolt. Madaxa Countersunk hex socket bolt, madaxu waa madax fidsan, gudahana waa godka hex. Waxaa jira nooc ka mid ah halbeegyada qaranka oo aad gaar u ah, oo loo yaqaan bolt hexagon aan madax lahayn. Kaas oo ah waxa aan inta badan u yeerno mitirka mitirka, furaha lacag bixinta, furaha dhejiska ah. Kuwani waa ereyo caan ah oo loogu talagalay boolal hex-la'aan ah, laakiin dhammaantood waxay ula jeedaan isku shay. Dabcan, waxa kale oo jira boolal leh madax lix geesood ah oo gudaha ah oo ubax leh. Isticmaalkaani wuu yar yahay, suuqa ayaa sidoo kale asal ahaan adag in la arko. Xirmooyinka godka hexagon inkasta oo noocyada kala duwan ee heerarka qaranka ay sidoo kale aad u badan yihiin, laakiin asal ahaan qaar ka sii gaar ah, asal ahaan dad yar ayaa u isticmaali doona suuqa. La isticmaalay wax ka badan ama tiro ka mid ah biraha godka hex ee madaxa cylindrical, oo sidoo kale loo yaqaanno biraha madaxa cylindrical hex socket.