Land Pride RCR2584 manual Torque Values Chart for Common Bolt Sizes

Land Pride

Section 7 Appendix

Table of Contents

Torque Values Chart for Common Bolt Sizes

					Bolt Head Identification
Bolt Size
(Inches)
			Grade 2				Grade 5
										Grade 8
in-tpi	1	2		3		N · m		ft-lb	N · m		ft-lb
		N · m		ft-lb
1/4" - 20		7.4		5.6		11		8	16		12
1/4" - 28		8.5		6		13		10	18		14
5/16 - 18		15		11		24		17	33		25
5/16" - 24		17		13		26		19	37		27
3/8" - 16		27		20		42		31	59		44
3/8" - 24		31		22		47		35	67		49
7/16" - 14		43		32		67		49	95		70
7/16" - 20		49		36		75		55	105		78
1/2" - 13		66		49		105		76	145		105
1/2" - 20		75		55		115		85	165		120
9/16" - 12		95		70		150		110	210		155
9/16" - 18		105		79		165		120	235		170
5/8" - 11		130		97		205		150	285		210
5/8" - 18		150		110		230		170	325		240
3/4" - 10		235		170		360		265	510		375
3/4" - 16		260		190		405		295	570		420
7/8" - 9		225		165		585		430	820		605
7/8" - 14		250		185		640		475	905		670
1" - 8		340		250		875		645	1230		910
1" - 12		370		275		955		705	1350		995
1-1/8" - 7		480		355		1080		795	1750		1290
1 1/8" - 12		540		395		1210		890	1960		1440
1 1/4" - 7		680		500		1520		1120	2460		1820
1 1/4" - 12		750		555		1680		1240	2730		2010
1 3/8" - 6		890		655		1990		1470	3230		2380
1 3/8" - 12		1010		745		2270		1670	3680		2710
1 1/2" - 6		1180		870		2640		1950	4290		3160
1 1/2" - 12		1330		980		2970		2190	4820		3560

					Bolt Head Identification
Bolt Size	5.8			8.8		10.9
(Metric)
		Class 5.8					Class 8.8				Class 10.9
mm x pitch4
	N · m				ft-lb	N · m			ft-lb	N · m				ft-lb
M 5 X 0.8	4			3		6			5	9			7
M 6 X 1	7			5		11			8	15			11
M 8 X 1.25	17			12		26			19	36			27
M 8 X 1	18			13		28			21	39			29
M10 X 1.5	33			24		52			39	72			53
M10 X 0.75	39			29		61			45	85			62
M12 X 1.75	58			42		91			67	125			93
M12 X 1.5	60			44		95			70	130			97
M12 X 1	90			66		105			77	145			105
M14 X 2	92			68		145			105	200			150
M14 X 1.5	99			73		155			115	215			160
M16 X 2	145			105		225			165	315			230
M16 X 1.5	155			115		240			180	335			245
M18 X 2.5	195			145		310			230	405			300
M18 X 1.5	220			165		350			260	485			355
M20 X 2.5	280			205		440			325	610			450
M20 X 1.5	310			230		650			480	900			665
M24 X 3	480			355		760			560	1050			780
M24 X 2	525			390		830			610	1150			845
M30 X 3.5	960			705		1510			1120	2100			1550
M30 X 2	1060			785		1680			1240	2320			1710
M36 X 3.5	1730			1270		2650			1950	3660			2700
M36 X 2	1880			1380		2960			2190	4100			3220

1in-tpi = nominal thread dia.in inches-threads per inch

2N· m = newton-meters

3ft-lb= foot pounds

4mm x pitch = nominal thread dia. in millimeters x thread pitch

7/14/08 RCR2584 Rotary Cutter 312-459M 27