China DIN912 Hex Socket Cup Head Screw M3-M30/carbon steel /grade 12.9 baetsi le bafani ba thepa

DIN912 Hex Socket Cup Head Screw M3-M30/carbon steel /grade 12.9

Tlhaloso e Khutšoanyane:

Qetella: e ntšo, ZINC, Brass

Boitsebiso: Tšepe
Sistimi ea litekanyo: NCH, Metric

Setaele sa Hlooho: Flat, Round, HEX

Sebaka sa Tšimoloho: Hebei, Chaena

Lebitso la Brand:Hongji, Hongji

Nomoro ea mohlala: M3-M30

Tekanyetso:DIN

Lebitso la sehlahisoa:Hex Socket Cup Head Screw

Mofuta: Hex Socket Bolt

Mofuta oa hlooho: Hlooho ea Mohope

Boleng: Tšepe ea Carbon

Kalafo ea holim'a metsi: zinc plated

Kereiti:12.9

Boholo: M3-M30

'Mala:setšoantšo

Ho paka:Mabokose, Nyeoe ea Lehong, Mokotla oa Lebokose+Oohiloeng

Re romelle lengolo-tsoibila

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Tlhaloso

PHAKANGKarabo

PHAKANGQotsulo

PHAKANGPhano

RETS'ELISITSOE HO FIHLELA KEKEPE

10000+ SKU sebakeng sa polokelo

Re ikemiselitse ho etsa lintho tsa RTS:

70% lintho tse fanoeng nakong ea matsatsi a 5

80% lintho tse fanoeng nakong ea matsatsi a 7

90% lintho tse fanoengnakong ea matsatsi a 10

Liodara tse ngata, ka kopo ikopanye le litšebeletso tsa bareki

d		M1.4	M1.6	M2	M2.5	M3	M4	M5	M6	M8	M10	M12	(M14)	M16	(M18)	M20
d
P	Khoele e mahoashe	0.3	0.35	0.4	0.45	0.5	0.7	0.8	1	1.25	1.5	1.75	2	2	2.5	2.5
	Khoele e ntle	/	/	/	/	/	/	/	/	1	1.25	1.5	1.5	1.5	2	2
	Khoele e ntle haholo	/	/	/	/	/	/	/	/	/	1	1.25	/	/	1.5	1.5
b	Reference value	14	15	16	17	18	20	22	24	28	32	36	40	44	48	52
dk	Max (Boreleli)	2.6	3	3.8	4.5	5.5	7	8.5	10	13	16	18	21	24	27	30
	Max (Knurl*)	2.74	3.14	3.98	4.68	5.68	7.22	8.72	10.22	13.27	16.27	18.27	21.33	24.33	27.33	30.33
	Min	2.46	2.86	3.62	4.32	5.32	6.78	8.28	9.78	12.73	15.73	17.73	20.67	23.67	26.67	29.67
ds	Max	1.4	1.6	2	2.5	3	4	5	6	8	10	12	14	16	18	20
ds	Min	1.26	1.46	1.86	2.36	2.86	3.82	4.82	5.82	7.78	9.78	11.73	13.73	15.73	17.73	19.67
k	Max	1.4	1.6	2	2.5	3	4	5	6	8	10	12	14	16	18	20
k	Min	1.26	1.46	1.86	2.36	2.86	3.82	4.82	5.7	7.64	9.64	11.57	13.57	15.57	17.57	19.48
s	Lebitso	1.3	1.5	1.5	2	2.5	3	4	5	6	8	10	12	14	14	17
	Min	1.32	1.52	1.52	2.02	2.52	3.02	4.02	5.02	6.02	8.025	10.025	12.032	14.032	14.032	17.05
	Max	1.36	1.56	1.56	2.06	2.58	3.08	4.095	5.14	6.14	8.175	10.175	12.212	14.212	14.212	17.23
t	Min	0.6	0.7	1	1.1	1.3	2	2.5	3	4	5	6	7	8	9	10
Bolelele ba khoele=b		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-



d		(M22)	M24	(M27)	M30	(M33)	M36	M42	M48	M56	M64	M72	M80	M90	M100
d
P	Khoele e mahoashe	2.5	3	3	3.5	3.5	4	4.5	5	5.5	6	6	6	6	6
	Khoele e ntle	2	2	2	2	2	3	3	3	4	4	4	4	4	4
	Khoele e ntle haholo	1.5	/	/	/	/	/	/	/	/	/	/	/	/	/
b	Reference value	56	60	66	72	78	84	96	108	124	140	156	172	192	212
dk	Max (Boreleli)	33	36	40	45	50	54	63	72	84	96	108	120	135	150
	Max (Knurl*)	33.39	36.39	40.39	45.39	50.39	54.46	63.46	72.46	84.54	96.54	108.54	120.54	135.63	150.63
	Min	32.61	35.61	39.61	44.61	49.61	53.54	62.54	71.54	83.46	95.46	107.46	119.46	134.37	149.37
ds	Max	22	24	27	30	33	36	42	48	56	64	72	80	90	100
ds	Min	21.67	23.67	26.67	29.67	32.61	35.61	41.61	47.61	55.54	63.54	71.54	79.54	89.46	99.46
k	Max	22	24	27	30	33	36	42	48	56	64	72	80	90	100
k	Min	21.48	23.48	26.48	29.48	32.38	35.38	41.38	47.38	56.26	63.26	71.26	79.26	89.13	99.13
s	Lebitso	17	19	19	22	24	27	32	36	41	46	55	65	75	85
	Min	17.05	19.065	19.065	22.065	24.065	27.065	32.08	36.08	41.08	46.08	55.1	65.1	75.1	85.12
	Max	17.23	19.275	19.275	22.275	24.275	27.275	32.33	36.33	41.33	46.33	55.4	65.4	75.4	85.47
t	Min	11	12	13.5	15.5	18	19	24	28	34	38	43	48	54	60
Bolelele ba khoele=b		-	-	-	-	-	-	-	-	-	-	-	-	-	-

Tlhaloso e qaqileng

Li-fasteners tse matla tse phahameng li tla hlahisa crispness ha li entsoe ka galvanized. Hloka tlhokomelo e khethehileng.

Hydrogen embrittlement hangata e tšoauoa ka ho lieha ho robeha tlas'a khatello ea maikutlo. Ho bile le liliba tsa likoloi, li-washer, li-screw, li-sheet springs le likarolo tse ling tse entsoeng ka masenke, ka mor'a lihora tse 'maloa ka mor'a hore kopano e robehe, karolo ea 40% ~ 50% e robehile. Ts'ebetsong ea ho sebelisa likarolo tse entsoeng ka cadmium tsa sehlahisoa se khethehileng, ho ne ho e-na le ho robeha ha batch crack, 'me bothata ba senotlolo sa naha bo ile ba rarolloa' me ha etsoa mokhoa o tiileng oa dehydrogenation. Ho phaella moo, ho na le ba bang ba embrittlement haedrojene ha e bontše lieha ho robeha ketsahalo, tse kang: electroplating hanger (tšepe terata, koporo terata) ka lebaka la makhetlo a mangata a electroplating le pickling plating, ho kenella ka hydrogen ke ntho e tebileng haholoanyane, hangata hlaha ka tšebeliso lesaka tla. etsahala brittle fracture phenomenon; Mandrel ea sethunya, ka mor'a makhetlo a 'maloa a chroming, a oela fatše' me a robeha; Likarolo tse ling tse tingoeng (khatello e kholo ea ka hare) li tla peperana ha ho khethoa. Likarolo tsena li na le hydrogenated haholo 'me li phunyeha ntle le khatello ea kelello e ka ntle, e ke keng ea hlola e sebelisoa ho tsosolosa boima ba pele ka dehydrogenation.

Ha matla a thepa a phahame, ho ba le kutloisiso e kholo ea hydrogen embrittlement. Ena ke mohopolo oa mantlha o tlamehang ho hlakisoa ke litsebi tsa kalafo ea holim'a metsi ha li hlophisa lintlha tsa ts'ebetso ea electroplating. Litšepe tse nang le matla a maholo σb> 105kg/mm2 tse hlokoang ke litekanyetso tsa machaba li lokela ho ba tlas'a khatello ea pele ea ho pola le kalafo ea post-plating dehydrogenation ho latela. Indasteri ea lifofane ea Fora e hloka kalafo e tsamaellanang ea dehydrogenation bakeng sa likarolo tsa tšepe tse nang le matla a tlhahiso σs> 90kg/mm2.

Ka lebaka la ngollano e ntle pakeng tsa matla a tšepe le boima, ho bonolo ebile ho bonolo ho ahlola kutloisiso ea hydrogen embrittlement ea lintho tse bonahalang ka thatafalloa ho feta ka matla. Hobane setšoantšo se phethahetseng sa sehlahisoa le ts'ebetso ea machining e lokela ho tšoauoa ka boima ba tšepe. Ka electroplating, re fumane hore ho thatafala ha tšepe ho pota-pota HRC38 ho qalile ho bontša kotsi ea ho robeha ha hydrogen embrittlement. Bakeng sa likarolo tse phahameng ho feta HRC43, dehydrogenation e lokela ho nahanoa ka mor'a ho rala. Ha boima bo ka ba HRC60, kalafo ea dehydrogenation e tlameha ho etsoa hang ka mor'a ho phekola holimo, ho seng joalo likarolo tsa tšepe li tla peperana ka mor'a lihora tse 'maloa.

Ho paka

Mabapi le rona

* Setšoantšo se latelang se bontša li-incoterms tse fapaneng tsa khoebo. Ka kopo, khetha eo u e ratang.

Handan Yongnian Hongji Machinery Parts Co., Ltd.

e thehiloe ka 2012, setsebi sa Fasteners. Lihlahisoa tsa rona tse ka sehloohong ke BOLT, NUT, SCREW, ANCHOR LE WASHER.
Lilemong tsa morao tjena, re atolositse likhoebo ho ea linaheng tse fetang 20, Vietnam, Thailand, Indonesia, Malaysia, Bangladesh, India, Pakistan, Egypt, Kuwait, UAE, Afrika Boroa, Jeremane, Russia, United States, Canada, Mexico, joalo-joalo. ho.