Locke FP-160-C, FP-172-C, FP-148-C manual Torque Specifications

TORQUE SPECIFICATIONS

Wrench Size "A"

AMERICAN

Bolt Head Markings

SAE Grade 2

(No Dashes)

SAE Grade 5

(3 Dashes)

		lt					"
	o					B
	B				"
				r
			te
		e
	m
	ia
D

SAE Grade 8

(6 Dashes)

"

Proper torque for American fasteners used on Locke Turf equipment. Recommended Torque in Foot Pounds (Newton Meters). *

WRENCH	BOLT DIAMETER	SAE		SAE		SAE
SIZE (IN.) “A”	(IN.) “B” AND	GRADE 2		GRADE 5		GRADE 8
	THREAD SIZE
7/16	1/4 –20 UNC	6	(7)	8 (11)		12	(16)
7/16	1/4 –28 UNF	6	(8)	10	(13)	14	(18)
1/2	5/16 – 18 UNC	11	(15)	17	(23)	25	(33)
1/2	5/16 – 24 UNF	13	(17)	19	(26)	27	(37)
9/16	3/8 – 16 UNC	20	(27)	31	(42)	44	(60)
9/16	3/8 – 24 UNF	23	(31)	35	(47)	49	(66)
5/8	7/16 – 14 UNC	32	(43)	49	(66)	70	(95)
5/8	7/16 – 20 UNF	36	(49)	55	(75)	78 (106)
3/4	1/2 – 13 UNC	49	(66)	76 (103)		106	(144)
3/4	1/2 – 20 UNF	55	(75)	85 (115)		120	(163)
7/8	9/16 – 12 UNC	70	(95)	109	(148)	153	(207)
7/8	9/16 – 18 UNF	79 (107)		122	(165)	172	(233)
15/16	5/8 – 11 UNC	97 (131)		150	(203)	212	(287)
15/16	5/8 – 18 UNF	110	(149)	170	(230)	240	(325)
1-1/8	3/4 – 10 UNC	144	(195)	266	(360)	376	(509)
1-1/8	3/4 –16 UNF	192	(260)	297	(402)	420	(569)
1-5/16	7/8 – 9 UNC	166	(225)	430	(583)	606	(821)
1-5/16	7/8 – 14 UNF	184	(249)	474	(642)	668	(905)
1-1/2	1 –8 UNC	250	(339)	644	(873)	909 (1232)
1-1/2	1 – 12 UNF	274	(371)	705	(955)	995 (1348)
1-1/2	1 – 14 UNF	280	(379)	721	(977)	1019	(1381)
1-11/16	1-1/8 – 7 UNC	354	(480)	795 (1077)		1288	(1745)
1-11/16	1-1/8 – 12 UNF	397	(538)	890 (1206)		1444	(1957)
1-7/8	1-1/4 – 7 UNC	500	(678)	1120	(1518)	1817	(2462)
1-7/8	1-1/4 – 12 UNF	553	(749)	1241	(1682)	2013	(2728)
2-1/16	1-3/8 – 6 UNC	655	(887)	1470	(1992)	2382	(3228)
2-1/16	1-3/8 – 12 UNF	746 (1011)		1672	(2266)	2712	(1992)
2-1/4	1-1/2 – 6 UNC	870 (1179)		1950	(2642)	3161	(4283)
2-1/4	1-1/2 – 12 UNF	979 (1327)		2194	(2973)	3557	(4820)

METRIC

	t					"
	l				B
o				"
B			r
		te
	e
m
ia
D

Wrench
Size "A"	8.8

Numbers appearing on bolt heads

Indicate ASTM class.

*Use 75% of the specified torque value for plated fasteners. Use 85% of the specified torque values for lubricated fasteners.

Proper torque for American fasteners used on Locke Turf equipment. Recommended Torque in Foot Pounds (Newton Meters). *

WRENCH	BOLT	ASTM		ASTM		ASTM		ASTM
SIZE	DIA.	4.6		8.8		9.8		10.9
(mm) “A”	(mm) “B”
8	5	1.8	(2.4)			5.1	(6.9)	6.5	(8.8)
10	6	3	(4)			8.7 (12)		11.1 (15)
13	8	7.3 (10)				21.1 (29)		27	(37)
16	10	14.5 (20)				42	(57)	53	(72)
18	12	25	(34)	74 (100)		73	(99)	93 (126)
21	14	40	(54)	118	(160)	116	(157)	148	(201)
24	16	62	(84)	167	(226)	181	(245)	230	(312)
30	20	122	(165)	325	(440)			449	(608)
33	22			443	(600)			611	(828)
36	24	211	(286)	563	(763)			778 (1054)
41	27			821 (1112)				1138	(1542)
46	30	418	(566)	1119	(1516)			1547	(2096)

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