Stainless Flat Washers
For product information or to request a catalog, please call: 415.861.8300 or fax: 415.552.0796
Available Materials: Zinc plated and stainless steel
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Nominal Washer Size Internal Minimum I.D. Internal Maximum I.D. Internal Minimum O.D. Internal Maximum O.D. Internal Minimum Thickness Internal Maximum Thickness External Minimum I.D. External Maximum I.D. External Minimum O.D. External Maximum O.D. External Minimum Thickness External Maximum Thickness
2 0.0890 0.0950 0.1750 0.2000 0.0100 0.0150 --- --- --- --- --- ---
4 0.1150 0.1230 0.2550 0.2700 0.0150 0.0190 0.1150 0.1230 0.2450 0.2600 0.0150 0.0190
6 0.1410 0.1500 0.2750 0.2950 0.0170 0.0210 0.1410 0.1500 0.3050 0.3200 0.0160 0.0220
8 0.1680 0.1760 0.3250 0.3400 0.0180 0.0230 0.1680 0.1760 0.3650 0.3810 0.0180 0.0230
10 0.1950 0.2040 0.3650 0.3810 0.0200 0.0250 0.1950 0.2040 0.3950 0.4100 0.0200 0.0250
12 0.2210 0.2310 0.3940 0.4100 0.0200 0.0250 0.2210 0.2310 0.4600 0.4750 0.0230 0.0280
1/4 0.2560 0.2670 0.4600 0.4780 0.0230 0.0280 0.2560 0.2670 0.4940 0.5100 0.0230 0.0280
5/16 0.3200 0.3320 0.5940 0.6100 0.0280 0.0340 0.3200 0.3320 0.5880 0.6100 0.0280 0.0340
3/8 0.3840 0.3980 0.6700 0.6920 0.0320 0.0400 0.3840 0.3980 0.6700 0.6940 0.0320 0.0400
7/16 0.4480 0.4640 0.7400 0.7890 0.0320 0.0400 0.4480 0.4640 0.7400 0.7600 0.0320 0.0400
1/2 0.5120 0.5300 0.8670 0.9000 0.0370 0.0450 0.5130 0.5300 0.8800 0.9000 0.0370 0.0450
9/16 0.5760 0.5960 0.9570 0.9850 0.0370 0.0450 0.5760 0.5960 0.9600 0.9850 0.0370 0.0450
5/8 0.6400 0.6630 1.0450 1.0710 0.0420 0.0500 0.6410 0.6630 1.0450 1.0700 0.0420 0.0500
3/4 0.7690 0.7950 1.2200 1.2450 0.0470 0.0550 0.7680 0.7950 1.2200 1.2600 0.0470 0.0550
7/8 0.8940 0.9270 1.3640 1.4100 0.0520 0.0600 0.8970 0.9270 1.3800 1.4100 0.0520 0.0600
1 1.0190 1.0600 1.5900 1.6370 0.0590 0.0670 1.0250 1.0600 1.5900 1.6200 0.0590 0.0670
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For product information or to request a catalog, please call: 415.861.8300 or fax: 415.552.0796