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3 F436 Thru Hardened Flat Washer

Selected F436 Stuctural Washer Black OxideF436 Flat Washer
F436 Stuctural Washer Black OxideF436 Flat Washer

Product Specification

Grade
Grade F436
Finish
Black
Inside Diameter
3.1250
Outside Diameter
5.5000
Thickness
0.3400
Weight
1.310030
Diameter
3

Governing Standards

ASTM F436/F436M Covers the chemical, mechanical, and dimensional requirements for hardened steel washers for use with fasteners having nominal thread diameters of 1⁄4 through 4 in. and M12 through M100.

Chemical Properties

Per ASTM F436/F436M-16
Grade Material Phosphorus Sulfur
% by weight % by weight
F325 Type 1 Carbon Steel 0.040 0.050

Dimensional Specifications

F436 thru hardened flat washer dimensions
Per ASTM F436/F436M-16
Size Nominal A B C
Inside
Diameter
Outside
Diameter
Thickness Thickness
Min Max
1/2 0.5000 0.5310 1.0630 0.0970 0.1770
5/8 0.6250 0.6880 1.3130 0.1220 0.1770
3/4 0.7500 0.8130 1.4680 0.1220 0.1770
7/8 0.8750 0.9380 1.7500 0.1360 0.1770
1 1.0000 1.0630 2.0000 0.1360 0.1770
1 1/8 1.1250 1.1880 2.2500 0.1360 0.1770
1 1/4 1.2500 1.3750 2.5000 0.1360 0.1770
1 3/8 1.3750 1.5000 2.7500 0.1360 0.1770
1 1/2 1.5000 1.6250 3.0000 0.1360 0.1770
1 5/8 1.6250 1.7700 3.2500 0.1780 0.2800
1 3/4 1.7500 1.8750 3.3750 0.1780 0.2800
1 7/8 1.8750 2.0000 3.5000 0.1780 0.2800
2 2.0000 2.1250 3.7500 0.1780 0.2800
2 1/4 2.2500 2.3750 4.0000 0.2400 0.3400
2 1/2 2.5000 2.6250 4.5000 0.2400 0.3400
2 3/4 2.7500 2.8750 5.0000 0.2400 0.3400
3 3.0000 3.1250 5.5000 0.2400 0.3400
  1. All dimensions are in inches.

Mechanical Properties

Thru Hardened Steel Per ASTM F436/F436M-16
Rockwell Hardness
Plain   Finish Hot Dip Galvanized
38-45 HRC 26-45 HRC
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