China ASME B18.2.1 UNF Fine Thread Hex Bolt Giredhi 5 Black Oxide vagadziri uye vatengesi

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

Tsanangudzo Pfupi

Chiyero: ASME B18.2.1

Zita reChigadzirwa: UNF Hex Musoro Bolt Black Oxide

Mazwi Akakosha: ASME B18.2.1, UNF

Saizi: 1/4″-2″

Material: 10B21, 35K, 45 # simbi

Stength Giredhi: Grade 5, Grade 8

Kurapa Kwepamusoro: Black oxide

Thread Length: Yakazara Thread/ Half Thread

Thread Type: Coarse/Fine

Kurongedza: Carton/Pallet

Zvimwe Zvimiro: Ipa customized head mark

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KUKURUMIDZAquote

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Isu tinozvipira kune RTS zvinhu:

70% zvinhu zvinotumirwa mukati memazuva mashanu

80% zvinhu zvinotumirwa mukati memazuva manomwe

90% zvinhu zvinotumirwamukati memazuva gumi

Mahodha akawanda, ndapota taura nevatengi

Ndapota taura nesu kuti uwane rumwe ruzivo, sehuremu, iyo yekurongedza kurongedza, mutengo runyorwa, zvichingodaro.

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

Detail drawing

Chii chinonzi "UN" Thread?

The profile of the American National thread (60 profile angle and H/8 flatness) yakasiyana ne Wyeth thread profile (55 profile angle and H/6 flattening height). American National Thread inoshandiswa zvakanyanya mumatunhu nemaindasitiri anopesvedzerwa neindasitiri yeAmerica. MuHondo Yenyika II, nekuda kwekusawirirana kwetambo zviyero zvinoshandiswa neAllies, matambudziko ekupa zvinhu akakonzera kurasikirwa kwakanyanya kwehupfumi uye kukuvadzwa kune veAllies. Mushure mekupera kweHondo Yenyika II, United States, United Kingdom, Canada nemamwe mubatanidzwa vakabva vatanga kugadzira tambo yakabatana pakati penyika dzakabatana, uye yakashambadzira tambo yakabatana mu1948.

Nekuda kwekuti simba rehupfumi uye simba remauto eUnited States raitonga mauto eAllied panguva iyoyo, tambo yakabatana yainyanya kuumbwa zvichienderana nerudzi rwenyika yeUnited States. Kubatana";vara rekupedzisira "N" rinobva pazita rekuti "N" reAmerican National Threads. Kubva ipapo, tambo yakabatana yakatanga kudzvanya musika wekushandisa wekutanga weBritish Whitworth thread.

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Handan Yongnian Hongji Machinery Parts Co., Ltd.
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