[3] METRIC SCREWS, BOLTS AND NUTS; [4] AMERICAN STANDARD SCREWS, BOLTS AND NUTS WITH UNC OR UNF THREADS; [5] PLUGS- Page 41

GENERAL

L3560, L4060, L4760, L5060, L5460, L6060, WSM

G-12

[3]  METRIC SCREWS, BOLTS AND NUTS

WSM000001GEG0003US0

[4]  AMERICAN STANDARD SCREWS, BOLTS AND NUTS WITH 

UNC OR UNF THREADS

WSM000001GEG0008US0

[5] PLUGS

WSM000001GEG0005US0

Grade

Property class 8.8

Property class 10.9

Unit

N·m

kgf·m

lbf·ft

N·m

kgf·m

lbf·ft

M8

24 to 27

2.4 to 2.8

18 to 20

30 to 34

3.0 to 3.5

22 to 25

M10

48 to 55

4.9 to 5.7

36 to 41

61 to 70

6.2 to 7.2

45 to 52

M12

78 to 90

7.9 to 9.2

58 to 66

103 to 117

10.5 to 12.0

76.0 to 86.7

M14

124 to 147

12.6 to 15.0

91.2 to 108

167 to 196

17.0 to 20.0

123 to 144

M16

197 to 225

20.0 to 23.0

145 to 166

260 to 304

26.5 to 31.0

192 to 224

Grade

 SAE GR.5

 SAE GR.8

Unit

N·m

kgf·m

lbf·ft

N·m

kgf·m

lbf·ft

1/4

11.7 to 15.7

1.20 to 1.60

8.63 to 11.5

16.3 to 19.7

1.67 to 2.00

12.0 to 14.6

5/16

23.1 to 27.7

2.36 to 2.82

17.0 to 20.5

33 to 39

3.4 to 3.9

25 to 28

3/8

48 to 56

4.9 to 5.7

36 to 41

61 to 73

6.3 to 7.4

45 to 53

1/2

110 to 130

11.3 to 13.2

81.2 to 95.8

150 to 178

15.3 to 18.1

111 to 131

9/16

150 to 178

15.3 to 18.1

111 to 131

217 to 260

22.2 to 26.5

160 to 191

5/8

204 to 244

20.8 to 24.8

151 to 179

299 to 357

30.5 to 36.4

221 to 263

Shape

Size

Material of opponent part

Ordinariness

Aluminum

N·m

kgf·m

lbf·ft

N·m

kgf·m

lbf·ft

Tapered screw

R1/8

13 to 21

1.3 to 2.2

9.4 to 15

13 to 19

1.3 to 2.0

9.4 to 14

R1/4

25 to 44

2.5 to 4.5

18 to 32

25 to 34

2.5 to 3.5

18 to 25

R3/8

49 to 88

5.0 to 9.0

37 to 65

49 to 58

5.0 to 6.0

37 to 43

R1/2

58.9 to 107

6.00 to 11.0

43.4 to 79.5

59 to 78

6.0 to 8.0

44 to 57

Straight screw

G1/4

25 to 34

2.5 to 3.5

18 to 25

–

–

–

G3/8

62 to 82

6.3 to 8.4

46 to 60

–

–

–

G1/2

49 to 88

5.0 to 9.0

37 to 65

–

–

–

KiSC issued 03, 2016 A