China ASME B18.2.1 UNF Fine Thread Hex Bolt Grade 5 Black Oxide na-emepụta na ndị na-ebubata ya

ASME B18.2.1 UNF Fine Thread Hex Bolt Grade 5 Black Oxide

Nkọwa dị mkpirikpi:

Ọkọlọtọ: ASME B18.2.1

Aha ngwaahịa: UNF Hex Head Bolt Black Oxide

Isi Okwu: ASME B18.2.1, UNF

Nha: 1/4 ″-2″

Ihe: 10B21, 35K, 45 # ígwè

Ọkwa siri ike: Ọkwa 5, klaasị 8

Ọgwụgwọ n'elu: Black Oxide

Ogologo eriri: eri zuru oke/Ọkara eriri

Ụdị eriri: Ọ dị oke njọ/dị mma

Nkwakọ ngwaahịa: Katọn/Pallet

Atụmatụ ndị ọzọ: Nye akara isi ahaziri ahazi

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Ngwa ngwaNzaghachi

Ngwa ngwaNhota

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Njikere ibuga mbupu

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

Biko kpọtụrụ anyị maka ozi ndị ọzọ, dị ka ibu, nkọwa mbukota, ndepụta ọnụahịa, na ihe ndị ọzọ.

Dia/d		1/4	5/16	3/8	7/16	1/2	5/8	3/4	7/8	1	1-1/8	1-1/4	1-3/8	1-1/2
PP	UNC	20	18	16	14	13	11	10	9	8	7	7	6	6
	UNF	28	24	24	20	20	18	16	14	12	12	12	12	12
	8-UN	-	-	-	-	-	-	-	-	-	8	8	8	8
d_s	max	0.26	0,324	0,388	0,452	0,515	0,642	0,768	0,895	1.022	1.149	1.277	1.404	1.531
d_s	min	0,237	0,298	0.36	0,421	0,482	0,605	0,729	0,852	0,976	1.098	1.223	1.345	1.47
s	max	0,438	0.5	0,562	0,625	0.75	0,938	1.125	1.312	1.5	1.688	1.875	2.062	2.25
s	min	0,425	0,484	0,544	0,603	0,725	0,906	1.088	1.269	1.45	1.631	1.812	1.994	2.175
e	max	0,505	0,577	0.65	0,722	0,866	1.083	1.299	1.516	1.732	1,949	2.165	2.382	2.598
e	min	0,484	0,552	0.62	0,687	0,826	1.033	1.24	1.447	1.653	1.859	2.066	2.273	2.48
k	max	0.188	0,235	0,268	0,316	0,364	0,444	0,524	0.604	0.7	0.78	0,876	0.94	1.036
k	min	0.15	0.195	0.226	0,272	0,302	0,378	0,455	0,531	0,591	0,658	0,749	0.81	0,902
r	max	0.03	0.03	0.03	0.03	0.03	0.06	0.06	0.06	0.09	0.09	0.09	0.09	0.09
r	min	0.01	0.01	0.01	0.01	0.01	0.02	0.02	0.02	0.03	0.03	0.03	0.03	0.03
b	L≤6	0.75	0,875	1	1.125	1.25	1.5	1.75	2	2.25	2.5	2.75	3	3.25
b	L＞6	1	1.125	1.25	1.375	1.5	1.75	2	2.25	2.5	2.75	3	3.25	3.5

Dia/d		1-5/8	1-3/4	1-7/8	2	2-1/4	2-1/2	2-3/4	3	3-1/4	3-1/2	3-3/4	4
PP	UNC	-	5	-	4-1/2	4-1/2	4	4	4	4	4	4	4
	UNF	-	-	-	-	-	-	-	-	-	-	-	-
	8-UN	8	8	8	8	8	8	8	8	8	8	8	8
d_s	max	1.658	1.785	1.912	2.039	2.305	2.559	2.827	3.081	3.335	3,589	3,858	4.111
d_s	min	1.591	1.716	1,839	1.964	2.214	2.461	2.711	2.961	3.21	3,461	3.726	3,975
s	max	2.438	2.625	2.812	3	3,375	3.75	4.125	4.5	4,875	5.25	5,625	6
s	min	2.356	2.538	2.719	2.9	3.262	3.625	3,988	4.35	4.712	5.075	5,437	5.8
e	max	2.815	3.031	3.248	3.464	3,897	4.33	4,763	5.196	5,629	6.062	6,495	6,928
e	min	2.616	2,893	3.099	3.306	3.719	4.133	4.546	4,959	5,372	5,786	6.198	6.612
k	max	1.116	1.196	1.276	1.388	1.548	1.708	1.869	2.06	2.251	2.38	2.572	2.764
k	min	0,978	1.054	1.13	1.175	1.327	1,479	1.632	1.815	1,936	2.057	2.241	2.424
r	max	0.09	0.12	0.12	0.12	0.19	0.19	0.19	0.19	0.19	0.19	0.19	0.19
r	min	0.03	0.04	0.04	0.04	0.06	0.06	0.06	0.06	0.06	0.06	0.06	0.06
b	L≤6	3.5	3.75	4	4.25	4.75	5.25	5.75	6.25	6.75	7.25	7.75	8.25
b	L＞6	3.75	4	4.25	4.5	5	5.5	6	6.5	7	7.5	8	8.5

Nkọwa nkọwa

Kedu ihe bụ eriri "UN"?

Profaịlụ nke American National thread (60 profile angle na H / 8 flatness) dị iche na Wyeth thread profile (55 profile angle and H / 6 flattening high). A na-eji eriri mba America eme ihe na mpaghara na ụlọ ọrụ ndị ụlọ ọrụ America na-emetụta. N'Agha Ụwa nke Abụọ, n'ihi ụkpụrụ eri na-ekwekọghị ekwekọ nke ndị Allies na-eji, ihe isi ike ọkọnọ na-eweta nnukwu mfu akụ na ụba na ndị merụrụ ahụ n'etiti ndị Allies. Ozugbo Agha Ụwa nke Abụọ biri, United States, United Kingdom, Canada na ndị ọzọ jikọrọ aka malitere ozugbo guzobe ụkpụrụ erikọrọ ọnụ n'etiti mba ndị jikọrọ aka, ma wepụta ụkpụrụ ejikọtara ọnụ na 1948.

N'ihi na ike akụ na ụba na ike agha nke United States na-achị ndị agha jikọrọ aka n'oge ahụ, a na-emepụta eri ahụ jikọtara ọnụ dịka ọkọlọtọ mba United States si dị. Unitydị n'otu"; mkpụrụedemede ikpeazụ "N" sitere na nhọpụta "N" maka American National Threads. Kemgbe ahụ, eri jikọtara ọnụ malitere ịpịa ahịa mbụ nke eriri British Whitworth.

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Handan Yongnian Hongji Machinery Parts Co., Ltd.
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