Porca e Contra-Porca Sextavada Pesada – Msm Industria – Fixadores especiais

Porca e Contra-Porca Sextavada Pesada

ASME / ANSI B18.2.2 - 1987 (Tabela 9)

Diâmetro	F		G		H		H1
Nominal	máx.	min.	máx.	min.	máx.	min.	máx.	min.
1/4"	12,700	1,395	14,655	14,122	6,350	5,537	4,775	3,962
5/16"	14,274	13,868	16,510	15,798	7,975	7,112	5,588	4,724
3/8"	17,475	16,992	20,167	19,380	9,575	8,661	6,400	5,486
7/16"	19,050	18,491	21,996	21,082	11,201	10,236	7,239	6,273
1/2"	22,225	21,590	25,654	24,612	12,801	11,785	8,051	7,035
9/16"	23,825	23,088	27,508	26,339	14,427	13,360	8,864	7,797
5/8"	26,974	26,187	31,165	29,845	16,027	14,909	9,677	8,559
3/4"	31,750	30,784	36,652	35,102	19,253	18,034	11,328	10,109
7/8"	36,525	35,407	42,164	40,360	22,479	21,158	12,954	11,633
1"	41,275	40,005	47,650	45,618	25,704	24,282	14,605	13,182
1.1/8"	46,024	44,602	53,162	50,850	28,930	27,406	16,230	14,706
1.1/4"	50,800	49,225	58,648	56,108	31,775	30,149	19,075	17,449
1.3/8"	55,575	53,822	64,160	61,366	35,001	33,247	20,701	18,973
1.1/2"	60,325	58,420	69,646	66,598	38,227	36,398	22,352	20,523
1.5/8"	65,074	63,017	75,158	71,831	41,452	39,522	23,977	22,047
1.3/4"	69,850	67,614	80,645	77,089	44,678	42,646	25,628	23,596
1.7/8"	74,625	72,237	86,156	82,346	47,904	45,770	27,254	25,120
2"	79,375	76,835	91,643	87,604	51,130	48,895	28,905	26,670
2.1/4"	88,900	86,055	102,641	98,094	57,175	54,737	31,775	29,337
2.1/2"	98,425	95,250	113,639	108,585	63,627	60,985	38,227	35,585
2.3/4"	107,950	104,444	124,637	119,075	70,078	67,233	41,503	38,658
3"	117,475	113,665	135,636	129,590	76,530	73,482	44,780	41,732
3.1/4"	127,000	122,885	146,659	140,081	82,600	79,349	47,650	44,399
3.1/2"	136,525	132,080	157,657	150,571	89,052	85,598	50,952	47,498
3.3/4"	146,050	141,274	168,656	161,061	95,504	91,846	54,203	50,546
4"	155,575	150,495	179,654	171,677	101,955	98,094	57,505	53,644

OBS: Tolerância para comprimento "l". js 15, vide tabela de ajustes - ISO