China ASME B18.2.1 UNC Hex Bolt Grade 5 Black Oxide Inch Iwọn 1 / 2-13 awọn olupese ati awọn olupese

ASME B18.2.1 UNC Hex Bolt Ipele 5 Iwọn Oxide Inch Dudu 1/2-13 Aworan Ifihan

ASME B18.2.1 UNC Hex Bolt Ite 5 Iwon Oxide Inch Dudu 1/2-13

Apejuwe kukuru:

Standard: ASME B18.2.1

Orukọ Ọja: UNC Hex Head Bolt Black Oxide

Awọn ọrọ pataki: ASME B18.2.1, UNC, A307

Iwọn: 1/4 "-2"

Ohun elo: 10B21, 35K, 45 # irin

Ite Agbara: Ite 5, Ite 8

Itọju Oju: Black Oxide

Ipari Opo: Opo kikun/ Opo idaji

Opo Iru: isokuso/Fine

Iṣakojọpọ: Carton/Pallet

Awọn ẹya miiran: Pese ami ori ti adani

Fi imeeli ranṣẹ si wa

Alaye ọja

ọja Tags

Apejuwe

YARAIdahun

YARAAsọsọ

YARAIfijiṣẹ

SETAN LATI GBE OKUN

10000+ SKU ni ile ise

A ṣe adehun fun awọn nkan RTS:

70% awọn ohun ti a firanṣẹ laarin 5 ọjọ

80% awọn ohun ti a firanṣẹ laarin 7 ọjọ

90% awọn ohun ti a firanṣẹlaarin 10 ọjọ

Awọn ibere olopobobo, jọwọ kan si iṣẹ alabara

Jọwọ kan si wa fun alaye diẹ sii, gẹgẹbi iwuwo, sipesifikesonu iṣakojọpọ, atokọ idiyele, ati bẹbẹ lọ.

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	o pọju	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	o pọju	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	o pọju	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	o pọju	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	o pọju	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	o pọju	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	o pọju	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	o pọju	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	o pọju	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	o pọju	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

Iyaworan alaye

Kini itumo "UNC"?

UNC n tọka si okùn isokuso ni Okun isokan United States UN jara (radius o tẹle okun ita ita yiyan).

Kini itọju dada Black Oxide?

Black oxide, ọna ti o wọpọ fun itọju dada kemikali. Black oxide jẹ ọna ti o wọpọ fun itọju dada kemikali. Ilana naa ni lati ṣe agbejade fiimu oxide lori oju irin lati ya sọtọ afẹfẹ ati ṣaṣeyọri idi ti idena ipata. Nigbati awọn ibeere hihan ko ba ga, dudu le ṣee lo, ati oju awọn ẹya irin ti dudu, eyiti a tun pe ni buluu.

Awọn ọna ti o wọpọ ti itọju ohun elo afẹfẹ dudu pẹlu didaku alapapo alkali ibile ati didimu otutu otutu ti o waye nigbamii. Sibẹsibẹ, ilana didaku ni iwọn otutu yara ko munadoko pupọ fun irin kekere erogba. Pipin didasilẹ alkaline ti pin, ati pe iyatọ wa laarin dida dudu lẹẹkan ati dudu lẹẹmeji. Awọn paati akọkọ ti omi dudu jẹ iṣuu soda hydroxide ati iṣuu soda nitrite. Iyatọ iwọn otutu ti o nilo fun dida dudu ko tobi, ati pe o le gba aaye ti o dara laarin 135-155 °C, ṣugbọn akoko ti o nilo jẹ pipẹ diẹ.