FASTENERS Inch Nuts & Washers 2
WASHERS — FLAT MACHINE SCREW
H
For use with Machine Screws Material:
G
ANSI B18.22.1
Steel
1
Plating:
Zinc
F
Nominal Diameter
#4
#5
#6
#8
#10 .208 .443 .036
#12 .232 .505 .052
1/4” .270 .567 .052
I.D. O.D. Thick
G
.130 .285 .030
.145 .285 .030
.155 .380 .036
.175 .380 .036
F
H
Part No.
403.4
403.5
403.6
403.8
403.10
403.12
403.14
WASHERS — EXTRA THICK SAE THU-HARDENED FLAT USA
H
For use with Gr. 8 Fasteners Material:
Steel
Plating:
Yellow Zinc
G
Made in U.S.A.
F
Nominal Diameter
1/4” 9/32
5/16” 11/32 11/16 7/64
3/8”
7/16” 15/32 59/64 7/64
1/2”
9/16” 19/32 1-5/32
5/8”
3/4”
7/8”
1”
I.D. O.D. Thick
G F H
13/32 13/16 7/64
17/32 1-1/16
21/32 1-5/16 13/64
13/16 1-5/32 13/64
15/16 1-3/4 17/64
1-1/16
5/8
2
7/64
3/16
3/16
17/64
Part No.
405.014 405.0516 405.038 405.0716 405.012 405.0916 405.058 405.034 405.078
405.01
WASHERS — BLACK FLAT USA
F
H
Material: Plating:
C1010 Steel Case Hardened
Black Oxide
G
Made in U.S.A.
Nominal Diameter
3/16” 13/64
1/4” 9/32
5/16” 11/32
3/8”
7/16” 15/32
1/2”
5/8”
3/4”
7/8”
1”
1-1/8” 1-5/32
1-1/4” 1-9/32
ID
G F H
13/32
17/32 1-1/8
21/32 1-3/8
25/32 1-5/8
29/32 1-3/4
1-1/32
OD
1/2
5/8 1/8
3/4 1/8
7/8 1/8
1
2
2-1/4 7/32
2-1/2 9/32
Thick
3/32
1/8
1/8
1/8
5/32
5/32
3/16
Part No.
405.2.316 405.2.14 405.2.516 405.2.38 405.2.716 405.2.12 405.2.58 405.2.34 405.2.78 405.2.1 405.2.118 405.2.114
WASHERS — THICK BLACK FLAT USA
H
F
Material: Plating:
C1010 Steel Case Hardened
Black Oxide
G
Made in U.S.A. Nominal Diameter
1/4” 9/32
5/16” 11/32
3/8”
1/2”
5/8”
3/4”
7/8”
1”
ID
G F
13/32
17/32 1-1/8
21/32 1-3/8
25/32 1-5/8
29/32 1-3/4
1-1/32
OD
5/8
3/4
7/8
2
Thick
H
3/16
3/16
3/16
3/16
3/16
1/4
1/4
9/32
Part No.
405.2.014
405.2.0516
405.2.038
405.2.012
405.2.058
405.2.034 405.2.078
405.2.01
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