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Flat Washers Heavy Duty Finished
FLAT WASHERS - HEAVY DUTY
Case Hardened
MaterIal: 1010 Cold Drawn
Heat Treatment: case hardened to Rockwell N scale 60
Thickness Parallel Tolerance: +/- 0.005
Appearance: Finished and Blackened
Part #
Bolt Size
OD
ID
THICK
D (in)
E (in)
F (in)
W405
1/4
5/8
9/32
3/16
W410
5/16
3/4
11/32
3/16
W415
3/8
1
13/32
3/16
W420
7/16
1
15/32
3/16
W425
1/2
1 1/8
17/32
3/16
W430
5/8
1 3/8
21/32
3/16
W435
3/4
1 5/8
25/32
1/4
W440
7/8
1 3/4
29/32
1/4
W445
1
2
1 1/32
9/32
500 North 26th Street, Unit 205, Opelika, AL 36801
334 737 6023 • Fax: 334 737 6102
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Copyright 2011 Bronco Tool Company. All rights reserved
