China DIN7991 Hex Socket Countersunk Screw Grade Carbon Steel Black Oxide Grade 8.8 10.9 ndị na-emepụta na ndị na-ebubata

DIN7991 Hex Socket Countersunk Screw Grade Carbon Steel Black Oxide Grade 8.8 10.9 Foto egosipụtara

DIN7991 Hex Socket Countersunk Screw Grade Carbon Steel Black Oxide ọkwa 8.8 10.9

Nkọwa dị mkpirikpi:

ọkọlọtọ: DIN7991

Aha ngwaahịa: Hex Socket Flat Head Screw

Okwu igodo: DIN7991, Hex socket flat head skru, Countersunk Screw

Nha: M3-M42

Ihe onwunwe: 10B21, 35CrMo, 40Cr

Ọkwa isi: 8.8, 10.9

Ọgwụgwọ elu: Black oxide

Ogologo eriri: eri zuru oke/Ọkara eriri

Nkwakọ ngwaahịa: Akpa / Katọn / Osisi osisi

Atụmatụ ndị ọzọ: Nye akara isi ahaziri ahazi

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Ngwa ngwaNzaghachi

Ngwa ngwaNhota

Ngwa ngwaNnyefe

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10000+ SKU n'ụlọ nkwakọba ihe

Anyị na-akwado maka ihe RTS:

70% ihe ndị a napụtara n'ime ụbọchị 5

80% ihe ndị a napụtara n'ime ụbọchị 7

90% ihe ndị a napụtaran'ime ụbọchị iri

Nnukwu iwu, biko kpọtụrụ ndị ahịa

d		M3	M4	M5	M6	M8	M10	M12	(M14)	M16	(M18)	M20	(M22)	M24
d
P	Mgbapụta	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	Oke = Ọnụ ọnụ	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	Oke = Ọnụ ọnụ	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	Oke	1.7	2.3	2.8	3.3	4.4	5.5	6.5	7	7.5	8	8.5	13.1	14
s	Aha aha	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
	Oke	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	Oke = Ọnụ ọnụ	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

Nkọwa zuru ezu

DIN7991 countersunk hexagon socket skru, isi bụ conical, n'etiti bụ a recessed hexagon, ịghasa isi nwere ike agbakwunyere na arịọnụ elu mgbe echichi, elu bụ ezigbo na mara mma. Enwere ike itinye isi nke countersunk hexagon soket skru na mpaghara ahụ, ma nwee ike itinye torque buru ibu, na ike njikọ dị elu. Ọ nwere ike dochie bolt oghere hexagon. A na-ejikarị ya eme ihe na nhazi nke kọmpat, ọdịdị dị mma nke nkwonkwo. DIN7991 hexagon soket countersunk isi ịghasa bụ ntụaka maka ọkọlọtọ German DIN7991-1986, nke na-akọwapụta nkọwapụta eri sitere na M3 -- M24 ISO metric thread, ọkwa ngwaahịa A hexagon soket countersunk head screw.

DIN7991 hexagon soket countersunk isi kposara dị na carbon ígwè na igwe anaghị agba nchara. The arụmọrụ akara ule nke carbon ígwè hexagon soket countersunk isi kposara bụ 8.8, 10.9, 12.9, ọkọlọtọ nwere ike na-ezo aka GB3098.1. Carbon ígwè ihe n'ozuzu chọrọ n'elu ọgwụgwọ, nkịtị bụ ọxịdashọn, electroplating, dị ka mkpa nke ọzọ n'elu mkpuchi ma ọ bụ elu ọgwụgwọ, nwekwara ike kpakorita. Igwe anaghị agba nchara hexagon soket countersunk isi kposara nke a na-ejikarị n'ahịa bụ nke SUS304 na SUS316, igwe anaghị agba nchara ihe na-eguzogide corrosion na okpomọkụ siri ike. SUS304 ọkara na-arụ ọrụ siri ike, dabara maka ọrụ oyi izugbe na ịgbatị; Mgbochi CORROSION nke SUS316 dị mma karịa nke 304. Ọ dị mma maka mgbasa ozi mmiri na mmiri ọgwụ. Ọ nwere nguzogide corrosion ka mma yana nguzogide corrosion oghere.

A na-ekewa skru hexagon n'ime oghere cylindrical isi hexagon dị ka isi si dị, nke a na-ejikarị eme ihe, ọ nwekwara ọtụtụ ụdị, dịka ihe ahụ si dị, e nwere ígwè, ya bụ, carbon steel na igwe anaghị agba nchara. Igwe anaghị agba nchara hex bolts nwekwara igwe anaghị agba nchara 304 na 202 na ihe ndị ọzọ. Semi-round head hex soket bolt, nke a na-akpọkwa pan head hex soket bolt. Countersunk isi hex socket bolt, isi bụ isi dị larịị, ime bụ oghere hex. Enwere ụdị ọkọlọtọ mba pụrụ iche, nke a na-akpọ bolt hexagon na-enweghị isi. Nke bụ ihe anyị na-akpọkarị screw mita, screw ugwo, setịpụ ihe nkedo. Ndị a bụ okwu nkịtị maka hex bolt na-enweghị isi, mana ha niile pụtara otu ihe. N'ezie, e nwekwara ụfọdụ bolts na flowered n'ime hexagon isi. Nke a na ojiji bụ obere, ahịa bụkwa isi ike ịhụ. Hexagon soket ịghasa ọ bụ ezie na dịgasị iche iche nke mba ụkpụrụ bụkwa ihe, ma ihu ọma ụfọdụ ọzọ pụrụ iche, ihu ọma mmadụ ole na ole ga-aga na-eji na ahịa. Ejiri ya karịa ma ọ bụ ọnụ ọgụgụ nke skru cylindrical isi hex soket, nke a makwaara dị ka screws cylindrical head hex soket.