Land Pride 311-252M manual Torque Values Chart, Appendix, In-tpi · m Ft-lb Mm x pitch

Land Pride

Section 8 Appendix

Table of Contents

Torque Values Chart

				Bolt Head Identification											Bolt Head Identification
	Bolt Size									Bolt Size			5.8			8.8		10.9
	(Inches)		Grade 2		Grade 5			Grade 8		(Metric)		Class 5.8				Class 8.8			Class 10.9
	in-tpi 1		N · m	ft-lb 3	N · m	ft-lb	N · m		ft-lb	mm x pitch		N · m		ft-lb		N · m		ft-lb	N · m		ft-lb
1/4" - 20			7.4	5.6	11	8	16		12	M 5 X 0.8		4		3		6		5	9		7
1/4" - 28			8.5	6	13	10	18		14	M 6 X 1		7		5		11		8	15		11
5/16" - 18			15	11	24	17	33		25	M 8 X 1.25		17		12		26		19	36		27
5/16" - 24			17	13	26	19	37		27	M 8 X 1		18		13		28		21	39		29
3/8" - 16			27	20	42	31	59		44	M10	X 1.5	33		24		52		39	72		53
3/8" - 24			31	22	47	35	67		49	M10	X 0.75	39		29		61		45	85		62
7/16" - 14			43	32	67	49	95		70	M12	X 1.75	58		42		91		67	125		93
7/16" - 20			49	36	75	55	105		78	M12	X 1.5	60		44		95		70	130		97
1/2" - 13			66	49	105	76	145		105	M12	X 1	90		66		105		77	145		105
1/2" - 20			75	55	115	85	165		120	M14	X 2	92		68		145		105	200		150
9/16" - 12			95	70	150	110	210		155	M14	X 1.5	99		73		155		115	l215		160
9/16" - 18			105	79	165	120	235		170	M16	X 2	145		105		225		165	315		230
5/8" - 11			130	97	205	150	285		210	M16	X 1.5	155		115		240		180	335		245
5/8" - 18			150	110	230	170	325		240	M18	X 2.5	195		145		310		230	405		300
3/4" - 10			235	170	360	265	510		375	M18	X 1.5	220		165		350		260	485		355
3/4" - 16			260	190	405	295	570		420	M20	X 2.5	280		205		440		325	610		450
7/8" - 9			225	165	585	430	820		605	M20	X 1.5	310		230		650		480	900		665
7/8" - 14			250	185	640	475	905		670	M24	X 3	480		355		760		560	1050		780
1" - 8			340	250	875	645	1230		910	M24	X 2	525		390		830		610	1150		845
1" - 12			370	275	955	705	1350		995	M30	X 3.5	960		705		1510		1120	2100		1550
1-1/8" - 7			480	355	1080	795	1750		1290	M30	X 2	1060		785		1680		1240	2320		1710
1	1/8" -	12	540	395	1210	890	1960		1440	M36	X 3.5	1730		1270		2650		1950	3660		2700
1	1/4" -	7	680	500	1520	1120	2460		1820	M36	X 2	1880		1380		2960		2190	4100		3220
1	1/4" -	12	750	555	1680	1240	2730		2010	1 in-tpi = nominal thread diameter in inches-threads per inch
1	3/8" -	6	890	655	1990	1470	3230		2380	2 N· m = newton-meters
1	3/8" -	12	1010	745	2270	1670	3680		2710	3 ft-lb= foot pounds
1	1/2" -	6	1180	870	2640	1950	4290		3160	4 mm x pitch = nominal thread diameter in millimeters x thread
1	1/2" -	12	1330	980	2970	2190	4820		3560	pitch

Torque tolerance + 0%, -15% of torquing values. Unless otherwise specified use torque values listed above.

10/13/08 RTA10 & RTA15 Series Rotary Tillers 311-252M 27