Parafusos Sextavados ASTM-A307 Grau A

REFERÊNCIA ASME B18.2.1 - 1996 (Tabela 2)

Diâmetro Nominal	E	F		G		H		R		LT L<ou =6"L>6"
Diâmetro Nominal	máx.	máx.	min.	máx.	min	máx.	min.	máx.	min.	básico	básico
1/4"	6,604	11,125	10,795	12,827	12,293	4,775	3,810	0,762	0,254	19,050	25,400
5/16"	8,299	12,700	12,293	14,655	14,020	5,969	4,953	0,762	0,254	22,225	28,575
3/8"	9,855	14,274	13,817	16,510	15,748	6,807	5,740	0,762	0,254	25,400	31,750
7/16"	11,480	15,875	15,316	18,338	17,449	8,026	6,908	0,762	0,254	28,575	34,925
1/2"	13,081	19,050	18,415	21,996	20,980	9,245	7,670	0,762	0,254	31,750	38,100
5/8"	16,306	23,812	23,012	27,508	26,238	11,277	9,601	1,524	0,508	38,100	44,450
3/4"	19,507	28,575	27,635	32,994	31,496	13,309	11,557	1,524	0,508	44,450	50,800
7/8"	22,733	33,324	32,232	38,506	36,753	15,341	13,487	1,524	0,508	50,800	57,150
1"	25,958	38,100	36,830	43,992	41,986	17,780	15,011	2,286	0,762	57,150	63,500
1.1/8"	29,184	42,875	41,427	49,504	47,218	19,812	16,713	2,286	0,762	63,500	69,850
1.1/4"	32,435	47,625	46,024	54,991	52,476	22,250	19,024	2,286	0,762	69,850	76,200
1.3/8"	35,661	52,374	50,647	60,502	57,734	23,876	20,574	2,286	0,762	76,200	82,550
1.1/2"	38,887	57,150	55,245	65,989	62,992	26,314	22,910	2,286	0,762	82,550	88,900
1.3/4"	45,339	66,675	64,465	76,987	73,482	30,378	26,771	3,048	1,016	95,250	101,600
2"	51,790	76,200	73,660	87,985	83,972	35,255	29,845	3,048	1,016	107,950	114,300
2.1/4"	58,547	85,725	82,854	98,983	94,462	39,319	33,705	4,826	1,524	120,650	127,000
2.1/2"	64,998	95,250	92,075	109,982	104,978	43,383	37,566	4,826	1,524	133,350	139,700
2.3/4"	71,805	104,775	101,295	120,980	115,468	47,472	41,452	4,826	1,524	146,050	152,400
3"	78,257	114,300	110,490	131,978	125,958	52,324	46,101	4,826	1,524	158,750	165,100
3.1/4"	84,709	123,825	119,684	142,976	136,448	57,175	49,174	4,826	1,524	171,450	177,800
3.1/2"	91,160	133,350	128,905	153,974	146,964	60,452	52,247	4,826	1,524	184,150	190,500
3.3/4"	97,993	142,875	138,099	164,973	157,429	65,328	56,921	4,826	1,524	196,850	203,200
4"	104,419	152,400	147,320	175,971	167,944	70,205	61,569	4,826	1,524	209,550	215,900

Comprimento Nominal	Diâmetro Nominal
Comprimento Nominal	1/4" a 3/8"	7/16" e 1/2"	9/16"a 3/4"	7/8" e 1"	1.1/8" a 1.1/2"	Acima de 1.1/2"
Até1"	+0,508 -0,762	+0,508 -0,762	+0,508 -0,762	---------	---------	---------
Acima de 1"até 2.1/2"	+0,508 -1,016	+1,016 -1,524	+1,524 -2,032	+2,032 -2,540	+3,048 -3,048	+4,572 -4,572
Acima de 2.1/2"até 4"	+1,016 -1,524	+1,524 -2,032	+2,032 -2,540	+2,54 -3,556	+4,064 -4,064	+5,08 -5,080
Acima de 4" até 6"	+1,524 -2,540	+2,032 -2,540	+2,540 -2,540	+3,048 -4,064	+4,572 -4,572	+5,588 -5,588
Acima de 6"	+2,54 -4,572	+3,048 -4,572	+3,556 -4,572	+4,064 -5,080	+5,588 -5,588	+6,096 -6,096