Land Pride RTR1550, RTR1558 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)												(Metric)
				Grade 2				Grade 5								Class 5.8				Class 8.8			Class 10.9
											Grade 8
	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 in.
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.

7/22/08 RTR10 & RTR15 Series Rotary Tillers 311-431M 29