Land Pride RCR16 Series manual Torque Values Chart for Common Bolt Sizes, Appendix

Land Pride

Section 6 Appendix

Torque Values Chart for Common Bolt Sizes

			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
									Grade 8
in-tpi1	N	· m2	ft-lb3		N · m		ft-lb	N · m		ft-lb	mm x pitch4		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	215			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 dia .in inches-threads per inch
1 3/8" - 6	890		655		1990		1470	3230		2380
1 3/8" - 12	1010		745		2270		1670	3680		2710	2 N· m = newton-meters
1 1/2" - 6	1180		870		2640		1950	4290		3160	3 ft-lb= foot pounds
1 1/2" - 12	1330		980		2970		2190	4820		3560	4 mm x pitch = nominal thread dia. in millimeters x thread pitch

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

12/14/01 RCR16 Series Rotary Cutters 312-742M 23