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APEX offers full-service design, engineering and manufacturing to your specifications. Our custom fasteners have enjoyed great success supplying all types and sizes of businesses in most sectors of industry.
Contact Apex Fasteners with your hardware requirements

Authorized Distributor for:

Nylon Cup Washers

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Cup washers are designed to protect the head of a metal screw from electrical contact. They are designed to accommodate the most common screw head-styles including binder, round, pan, hex, and fillister, in sizes from #4 to 1/4". Cup washers are molded from tough, electrically insulating nylon 6/6.

Product Number Description A B C D E
PMPNCW004040 CW 4-040 0.305 0.245 0.115 0.117 0.157
PMPNCW006040 CW 6-040 0.360 0.300 0.140 0.142 0.182
PMPNCW008040 CW 8-040 0.414 0.354 0.171 0.166 0.206
PMPNCW008041 CW 8-041 0.414 0.354 0.171 0.130 0.170
PMPNCW010030 CW 10-030 0.568 0.375 0.201 0.127 0.157
PMPNCW010040 CW 10-040 0.470 0.410 0.194 0.190 0.230
PMPNCW250040 CW 250-040 0.595 0.535 0.257 0.247 0.289
PMPNCW312375 CW 312-375 0.875 0.625 0.344 0.250 0.375
PMPNCW008042 CW 8-042 0.497 0.389 0.187 0.093 0.139
PMPNCW312500 CW 312-500 0.875 0.625 0.344 0.378 0.500
PMPNCW250250 CW 250-250 1.000 0.500 0.260 0.150 0.198
PMPNCW375225 CW 375-225 1.000 0.750 0.380 0.125 0.225



APEX FASTENERS, Inc - 15858 Business Center Drive - Irwindale, CA 91706 USA
APEX Fasteners supplies standard and custom screws, nut retainers, shoulder screws, plastites and taptites, all types of rivets, spring steel fasteners and special stampings, sems screws in standard, fractional or metric to electronics, aviation and other OEM industries worldwide. ApexFasteners.com custom manufactures screw machine components for electronic enclosure hardware as well as cold forming and cold headed specials for assembly and production requirements.
Tel: (626) 962-2219 - info@apexfasteners.com
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