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

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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Tsanangudzo

KUKURUMIDZAMhinduro

KUKURUMIDZAquote

KUKURUMIDZADelivery

AKAGADZIRIRA KUENDERERA KUNHU

10000+ SKU mudura

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?

Nhoroondo yeAmerican National thread (60 profile angle uye H/8 flatness) yakasiyana neye Wyeth thread profile (55 profile angle uye H/6 flattening urefu).American National Thread inoshandiswa zvakanyanya mumatunhu uye maindasitiri anofurirwa neAmerican indasitiri.MuHondo Yenyika II, nekuda kwekusawirirana kwetambo zviyero zvakashandiswa neAllies, matambudziko ekupa zvinhu akakonzera kurasikirwa kwakanyanya kwehupfumi uye kukuvadzwa kune veAllies.Pakarepo kupera 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 reUnited 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, shinda yakabatana yakatanga kudzvanya musika wekutanga wekushandisa weBritish Whitworth thread.

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