ITEM NO.

SIZE

L

C

B

C'

B'

WT

MM

SAE

MM

Inch

mm

mm

mm

mm

mm

g

W57010607

6x7

165

13

10.6

6

5.5

50

W57010608

W57020608

6x8

1/4x5/16

165

13

10.6

6

5.5

50

W57010809

8x9

170

16.5

14.5

6.5

6

64

W57010810

W57020810

8x10

5/16x3/8

170

16.5

14.5

6.5

6

64

W57011011

W57021011

10x11

3/8x7/16

180

17.5

15

7

6.5

78

W57011012

10x12

195

19.2

17.2

7.5

7

88

W57011113

W57021113

11x13

7/16x1/2

206

22

20

8.5

8

100

W57011213

12x13

206

22

20

8.5

8

100

W57011214

12x14

206

22

20

8.5

8

100

W57011314

W57021314

13x14

1/2x9/16

206

22

20

8.5

8

100

W57011415

W57021415

14x15

9/16x5/8

232

24

22

9

8.5

132

W57011417

14x17

232

24

22

9

8.5

132

W57011617

W57021617

16x17

5/8x11/16

237

26

24

10

9.5

140

W57011719

W57021719

17x19

11/16x3/4

270

29.5

28

11.5

11

205

W57011819

18x19

270

29.5

28

11.5

11

205

W57011921

19x21

292

32.5

29

12.2

11.7

250

W57011922

19x22

292

32.5

29

12.2

11.7

250

W57012022

20x22

292

32.5

29

12.2

11.7

250

W57012123

W57022123

21x23

13/16x7/8

327

34.5

32.5

13

12.2

390

W57012224

W57022224

22x24

7/8x15/16

342

34.5

32.5

13

12.2

390

W57012326

23x26

362

36.5

34.5

13.5

13

600

W57012426

W57022426

24x26

15/16x1

362

36.5

34.5

13.5

13

600

W57012427

24x27

372

42.4

39.8

15

13.5

630

W57012528

W57022528

25x28

1x1-1/8

372

42.4

39.8

15

13.5

630

W57013032

W57023032

30x32

1-1/8x1-1/4

392

45

43.5

18

16.5

800

W57013236

32x36

405

55

50

20

18

1000

W57013641

36x41

458

63

55.5

21

20

1350

W57014146

41x46

491

71

63

24

22

1700

W57014650

46x50

534

77.5

71

25

24

2350