american ring true manufacturing solutions

S Series - Serrated Safety Washers


Part
Number
Bolt
Size
OD
(in.)
ID
(in.)
t
(in.)
Io
(in.)
OD
(mm)
ID
(mm)
t
(mm)
Io
(mm)
Std.

S-1.6
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1.6mm0.1260.0670.0140.0243.201.700.360.61Metric
S-2
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2mm0.1570.0870.0140.0243.992.210.360.61Metric
S-2.5
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2.5mm0.1890.1060.0180.0354.802.690.460.89Metric
S-3
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1/8", 3mm0.2170.1260.0180.0355.513.200.460.89Inch
S-3.5
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3.5mm0.2360.1460.0180.0355.993.710.460.89Metric
S-4
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5/32", 4mm0.2760.1690.0200.0397.014.290.510.99Inch
S-5
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3/16", 5mm0.3540.2090.0240.0438.995.310.611.09Inch
S-6
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6mm0.3940.2520.0280.04710.016.400.711.19Metric
S-6.35
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1/4"0.3740.2640.0280.0479.506.710.711.19Inch
S-7
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7mm0.4720.2910.0280.05111.997.390.711.30Metric
S-8
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5/16", 8mm0.5120.3310.0310.05513.008.410.791.40Inch
S-10
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3/8", 10mm0.6300.4130.0390.06316.0010.490.991.60Inch
S-11.1
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7/16"0.6260.4570.0390.06315.9011.610.991.60Inch
S-12
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12mm0.7090.5120.0430.06718.0113.001.091.70Metric
S-12.7
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1/2"0.7480.5390.0430.07119.0013.691.091.80Metric
S-14
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9/16", 14mm0.8660.5910.0470.07922.0015.011.192.01Inch

Part
Number
Bolt
Size
OD
(in.)
ID
(in.)
t
(in.)
Io
(in.)
OD
(mm)
ID
(mm)
t
(mm)
Io
(mm)
Std.

S-16
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5/8", 16mm0.9450.6690.0510.08324.0016.991.302.11Inch
S-18
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18mm1.0630.7480.0590.09127.0019.001.502.31Metric
S-19
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3/4", 19mm1.1810.7870.0590.09830.0019.991.502.49Inch
S-20
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20mm1.1810.8270.0590.09830.0021.011.502.49Metric
S-22
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7/8", 22mm1.2990.9060.0590.10632.9923.011.502.69Inch
S-24
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24mm1.4171.0080.0710.11435.9925.601.802.90Metric
S-25.4
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1"1.2991.0630.0790.12232.9927.002.013.10Inch
S-27
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27mm1.5351.1260.0790.12238.9928.602.013.10Metric
S-30
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1-1/8", 30mm1.7721.2440.0790.14245.0131.602.013.61Inch
S-36
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1-3/8", 36mm2.1261.4960.0980.16554.0038.002.494.19Inch