Torque Recommendations for Fractional Systems

Inch
Recommended Spiralock Applied Torque - 75% of Yield
Size	SAE J995 Grade 2					SAE J995 Grade 5					SAE J995 Grade 8
	55000	psi, Proof Load Stress				85000	psi, Proof Load Stress				120000	psi, Proof Load Stress
	Dry		Lubricated		Units	Dry		Lubricated		Units	Dry		Lubricated		Units
	k=	0.2	k=	0.15		k=	0.2	k=	0.15		k=	0.2	k=	0.15
	Min.	Max.	Min.	Max.		Min.	Max.	Min.	Max.		Min.	Max.	Min.	Max.
#0-80	15.7	17.1	11.8	12.8	in-oz	24.2	26.4	18.2	19.8	in-oz	34.2	37.3	25.7	28.0	in-oz
#2-56	46.2	50.4	34.7	37.8	in-oz	71.4	77.9	53.6	58.4	in-oz	100.8	110.0	75.6	82.5	in-oz
#2-64	49.2	53.7	36.9	40.3	in-oz	76.0	82.9	57.0	62.2	in-oz	6.7	7.3	5.0	5.5	in-lb
#3-48	70.0	76.4	52.5	57.3	in-oz	108.2	118.0	81.1	88.5	in-oz	9.5	10.4	7.2	7.8	in-lb
#3-56	75.2	82.0	56.4	61.5	in-oz	116.2	126.8	87.1	95.1	in-oz	10.3	11.2	7.7	8.4	in-lb
#4-40	98.2	107.2	73.7	80.4	in-oz	9.5	10.4	7.1	7.8	in-lb	13.4	14.6	10.0	11.0	in-lb
#4-48	107.5	117.3	80.6	88.0	in-oz	10.4	11.3	7.8	8.5	in-lb	15	16	11	12	in-lb
#5-40	9.0	9.9	6.8	7.4	in-lb	14.0	15.2	10.5	11.4	in-lb	20	21	15	16	in-lb
#5-44	9.4	10.3	7.1	7.7	in-lb	14.6	15.9	10.9	11.9	in-lb	21	22	15	17	in-lb
#6-32	11.4	12.4	8.5	9.3	in-lb	17.6	19.2	13.2	14.4	in-lb	25	27	19	20	in-lb
#6-40	12.7	13.9	9.5	10.4	in-lb	19.6	21.4	14.7	16.1	in-lb	28	30	21	23	in-lb
#8-32	21	23	16	17	in-lb	32	35	24	26	in-lb	45	50	34	37	in-lb
#8-36	22	24	16	18	in-lb	34	37	25	28	in-lb	48	52	36	39	in-lb
#10-24	30	33	23	25	in-lb	47	51	35	38	in-lb	66	72	49	54	in-lb
#10-32	34	38	26	28	in-lb	53	58	40	44	in-lb	75	82	56	62	in-lb
#12-24	47	52	36	39	in-lb	73	80	55	60	in-lb	103	113	78	85	in-lb
#12-28	51	55	38	41	in-lb	78	85	59	64	in-lb	110	120	83	90	in-lb
1/4-20	72	79	54	59	in-lb	112	122	84	91	in-lb	158	172	118	129	in-lb
1/4-28	83	90	62	68	in-lb	128	139	96	104	in-lb	180	196	135	147	in-lb
5/16-18	12	14	9	10	ft-lb	19	21	14	16	ft-lb	27	29	20	22	ft-lb
5/16-24	14	15	10	11	ft-lb	21	23	16	17	ft-lb	30	33	22	24	ft-lb
3/8-16	22	24	16	18	ft-lb	34	37	25	28	ft-lb	48	52	36	39	ft-lb
3/8-24	25	27	19	20	ft-lb	38	42	29	31	ft-lb	54	59	41	44	ft-lb
7/16-14	35	38	26	29	ft-lb	54	59	41	44	ft-lb	77	84	58	63	ft-lb
7/16-20	39	43	29	32	ft-lb	61	66	46	50	ft-lb	86	93	64	70	ft-lb
1/2-13	54	59	40	44	ft-lb	83	90	62	68	ft-lb	117	128	88	96	ft-lb
1/2-20	60	66	45	49	ft-lb	93	102	70	76	ft-lb	132	144	99	108	ft-lb
9/16-12	77	84	58	63	ft-lb	120	130	90	98	ft-lb	169	184	127	138	ft-lb
9/16-18	86	94	65	71	ft-lb	133	146	100	109	ft-lb	188	206	141	154	ft-lb
5/8-11	107	117	80	87	ft-lb	165	180	124	135	ft-lb	233	254	175	191	ft-lb
5/8-18	121	132	91	99	ft-lb	187	204	140	153	ft-lb	264	288	198	216	ft-lb
3/4-10	190	207	142	155	ft-lb	293	320	220	240	ft-lb	414	452	310	339	ft-lb
3/4-16	212	231	159	173	ft-lb	327	357	245	267	ft-lb	462	503	346	378	ft-lb
7/8-9	306	334	229	250	ft-lb	472	515	354	387	ft-lb	667	728	500	546	ft-lb
7/8-14	337	367	253	276	ft-lb	521	568	390	426	ft-lb	735	802	551	601	ft-lb
1-8	458	500	344	375	ft-lb	708	772	531	579	ft-lb	999	1090	750	818	ft-lb
1-12	501	547	376	410	ft-lb	775	845	581	634	ft-lb	1094	1193	821	895	ft-lb
1-14	516	563	387	422	ft-lb	798	870	598	653	ft-lb	1126	1229	845	922	ft-lb
1 1/8-7	649	708	487	531	ft-lb	1003	1094	752	821	ft-lb	1416	1545	1062	1159	ft-lb
1 1/8-12	728	794	546	596	ft-lb	1126	1228	844	921	ft-lb	1589	1733	1192	1300	ft-lb
1 1/4-7	916	999	687	749	ft-lb	1416	1544	1062	1158	ft-lb	1999	2180	1499	1635	ft-lb
1 1/4-12	1014	1107	761	830	ft-lb	1568	1710	1176	1283	ft-lb	2213	2414	1660	1811	ft-lb
1 3/8-6	1201	1310	901	983	ft-lb	1856	2025	1392	1519	ft-lb	2620	2859	1965	2144	ft-lb
1 3/8-12	1367	1492	1026	1119	ft-lb	2113	2305	1585	1729	ft-lb	2983	3255	2238	2441	ft-lb
1 1/2-6	1594	1739	1195	1304	ft-lb	2463	2687	1847	2015	ft-lb	3477	3794	2608	2845	ft-lb
1 1/2-12	1793	1956	1345	1467	ft-lb	2772	3024	2079	2268	ft-lb	3913	4269	2935	3202	ft-lb