China ASME B18.2.1 Unf fafit mambure hex bolt giredhi 5 dema oxide Vagadziri uye vatengesi

ASME b18.2.1 Unf fafit mambure hex bolt grade 5 dema oxide

Tsananguro pfupi:

Standard: Asme b18.2.1

Chigadzirwa Zita: Unf hex musoro bolt dema oxide

Mazwi Akakosha: Asme b18.2.1, Unf

Saizi: 1/4 "-2"

Zvinyorwa: 10b21, 35K, 45 # Simbi

Stength giredhi: Giredhi 5, giredhi 8

Kumusoro Kurapa: dema oxide

Thread urefu: yakazara tambo / hafu tambo

Thread Type: Coarse / zvakanaka

Kurongedza: carton / pallet

Zvimwe Zvimiro: Offer yakagadziriswa Musoro Mako

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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	5.1996	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

Denderedzwa dhizaini

Chii chinonzi "UN" tambo?

Iyo profil of American National Thread (60 Profile angle uye H / 8 Flatness) yakasiyana neWyther tambo mbiri (55 profile angle uye h / 6 flattening kureba). Tambo yenyika yeAmerica inoshandiswa zvakanyanya mumatunhu uye maindasitiri anokurudzirwa neindasitiri yeAmerica. MuHondo Yenyika II, nekuda kweiyo tambo dzisingawirirani dzakashandiswa nevalsi, matambudziko ekutambisa akakonzera kurasikirwa kwakakomba kwehupfumi uye kuwanda kune vanobatana navo. Pakarepo mushure mekupera kweHondo Yenyika II, United States, United Kingdom, Canada uye mamwe maAllies akabva atanga kugadzira tambo yakabatana, uye yakakurudzira tambo yakabatana muna 1948.

Nekuti simba rezvehupfumi uye simba remauto eUnited States vakatonga masimba emauto panguva iyoyo, tambo yakabatana yakanyanya kugadzirwa zvinoenderana nehuwandu hwenyika yeUnited States. Kubatana "; Tsamba yekupedzisira" n "inotorwa kubva ku" n "Designation yeAmerican National Treeds

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