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Tel: +1.314.739.9191 • +1.800.288.2726 • Fax: +1.314.739.5880 •
www.tapcoinc.comHex Nut
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Available in 302HQ (18-8) Stainless Steel - All nuts and metal washers are Zinc Plated
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NUTS “Inch Series”
IN STOCK FOR IMMEDIATE SHIPPING
AVAILABLE THROUGH INDUSTRIAL DISTRIBUTORS, CONTRACTORS, AND ORIGINAL EQUIPMENT MANUFACTURERS
Dimension (Inches)
Pkg.
Qty.
Size
Inches
1/4-20
5/16-18
3/8-16
1/2-13
Pkg. Wgt.
(Pounds)
Max. Width
Across Flat
Max. Flange
Diameter
Max.
Thickness
1/4-20
5/16-18
3/8-16
1/4-20
5/16-18
3/8-16
1/4-20
5/16-18
3/8-16
1/4-20
5/16-18
3/8-16
1/2-13
0.438
0.500
0.562
0.750
0.438
0.500
0.562
0.438
0.500
0.562
0.438
0.500
0.562
0.438
0.500
0.562
0.752
0.226
0.273
0.337
0.448
0.226
0.273
0.337
0.236
0.283
0.347
0.312
0.375
0.406
0.312
0.344
0.453
0.609
100
100
50
25
100
100
50
100
100
50
100
100
50
100
100
50
25
0.7
1.1
0.8
0.9
0.7
1.1
0.8
0.9
1.2
0.9
1.2
2.3
1.4
0.8
1.1
0.9
1.1
0.594
0.680
0.750
0.728
0.820
0.915
Serrated
Lock Nut
Large Flange
Serrated
Lock Nut
Nylon
Insert
Lock Nut
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Flange
Serrated
Lock Nut
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Washers “Inch Series”
Dimension (Inches)
Pkg.
Qty.
Size
(ID) Inches
Pkg. Wgt.
(Pounds)
Thickness
O.D.
1/4
5/16
3/8
0.478
0.610
0.692
0.028
0.034
0.040
100
100
50
0.7
0.1
0.1
1/4
5/16
3/8
1.000
1.250
1.500
0.078
0.078
0.078
100
100
50
1.3
2.0
1.5
1/4
5/16
3/8
1/2
0.489
0.586
0.683
0.737
0.078
0.093
0.125
0.172
100
100
50
25
0.2
0.4
0.3
0.3
1/4
5/16
3/8
1/2
0.734
0.875
1.000
1.375
0.065
0.083
0.083
0.109
100
100
50
25
0.7
1.1
0.8
1.0
Flat
Internal
Tooth
Lock
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Split
Ring
Lock
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Fender
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1/4
5/16
1/4
5/16
1.25
1.25
1.25
1.25
0.250
0.250
0.500
0.500
100
100
100
100
0.7
0.7
1.3
1.3
1/4” Thick Polyethylene
Spacer
1/2” Thick Polyethylene
Spacer
1/4
5/16
3/8
1.000
1.000
1.000
0.125
0.125
0.125
100
100
50
0.3
0.2
0.2
Leather
(1/8 Thick)