Internal Tooth Lockwasher SEMS

Internal-Tooth-Lockwasher-SEMS.png
SEMS with captive, internal tooth washers provide extra gripping power and control during assembly. APEX provides internal tooth lockwasher SEMS in a wide range of sizes and materials. The internal facing of the washer provides for a neat finished appearance.
Internal-Tooth-Lockwasher-SEMS-Drawing.png
Material Codes
Steel Zinc
SZ
Stainless Steel
SS

All measurements are in inches.

Basic Part Number Size Length Drive Drive Sems Washer
SE02C015PPI 2-56 5/32 Phillips Pan Internal
SE02C018PPI 2-56 3/16 Phillips Pan Internal
SE02C018PPI 2-56 3/16 Phillips Pan Internal
SE02C025PPI 2-56 1/ 4 Phillips Pan Internal
SE02C025PPI 2-56 1/ 4 Phillips Pan Internal
SE02C025PPI 2-56 1/ 4 Phillips Pan Internal
SE02C031PPI 2-56 5/16 Phillips Pan Internal
SE02C031PPI 2-56 5/16 Phillips Pan Internal
SE02C037PPI 2-56 3/ 8 Phillips Pan Internal
SE02C037PPI 2-56 3/ 8 Phillips Pan Internal
SE02C043PPI 2-56 7/16 Phillips Pan Internal
SE02C050PPI 2-56 1/ 2 Phillips Pan Internal
SE02C050PPI 2-56 1/ 2 Phillips Pan Internal
SE02C075PPI 2-56 3/ 4 Phillips Pan Internal
SE02C075PPI 2-56 3/ 4 Phillips Pan Internal
SE02C025SPI 2-56 1/ 4 Slotted Pan Internal
SE04C012PPI 4-40 1/ 8 Phillips Pan Internal
SE04C018PPI 4-40 3/16 Phillips Pan Internal
SE04C018PPI 4-40 3/16 Phillips Pan Internal
SE04C025PPI 4-40 1/ 4 Phillips Pan Internal
SE04C025PPI 4-40 1/ 4 Phillips Pan Internal
SE04C025PPI 4-40 1/ 4 Phillips Pan Internal
SE04C025PPI 4-40 1/ 4 Phillips Pan Internal
SE04C031PPI 4-40 5/16 Phillips Pan Internal
SE04C031PPI 4-40 5/16 Phillips Pan Internal
SE04C037PPI 4-40 3/ 8 Phillips Pan Internal
SE04C037PPI 4-40 3/ 8 Phillips Pan Internal
SE04C037PPI 4-40 3/ 8 Phillips Pan Internal
SE04C043PPI 4-40 7/16 Phillips Pan Internal
SE04C043PPI 4-40 7/16 Phillips Pan Internal
SE04C050PPI 4-40 1/ 2 Phillips Pan Internal
SE04C050PPI 4-40 1/ 2 Phillips Pan Internal
SE04C050PPI 4-40 1/ 2 Phillips Pan Internal
SE04C062PPI 4-40 5/ 8 Phillips Pan Internal
SE04C062PPI 4-40 5/ 8 Phillips Pan Internal
SE04C062PPI 4-40 5/ 8 Phillips Pan Internal
SE04C075PPI 4-40 3/ 4 Phillips Pan Internal
SE04C075PPI 4-40 3/ 4 Phillips Pan Internal
SE04C075PPI 4-40 3/ 4 Phillips Pan Internal
SE04C087PPI 4-40 7/ 8 Phillips Pan Internal
SE04C100PPI 4-40 1 Phillips Pan Internal
SE04C100PPI 4-40 1 Phillips Pan Internal
SE04C025SPI 4-40 1/ 4 Slotted Pan Internal
SE04C031SPI 4-40 5/16 Slotted Pan Internal
SE04C031SPI 4-40 5/16 Slotted Pan Internal
SE06C018PPI 6-32 3/16 Phillips Pan Internal
SE06C018PPI 6-32 3/16 Phillips Pan Internal
SE06C018PPI 6-32 3/16 Phillips Pan Internal
SE06C018PPI 6-32 3/16 Phillips Pan Internal
SE06C025PPI 6-32 1/ 4 Phillips Pan Internal
SE06C025PPI 6-32 1/ 4 Phillips Pan Internal
SE06C025PPI 6-32 1/ 4 Phillips Pan Internal
SE06C025PPI 6-32 1/ 4 Phillips Pan Internal
SE06C031PPI 6-32 5/16 Phillips Pan Internal
SE06C031PPI 6-32 5/16 Phillips Pan Internal
SE06C031PPI 6-32 5/16 Phillips Pan Internal
SE06C037PPI 6-32 3/ 8 Phillips Pan Internal
SE06C037PPI 6-32 3/ 8 Phillips Pan Internal
SE06C037PPI 6-32 3/ 8 Phillips Pan Internal
SE06C037PPI 6-32 3/ 8 Phillips Pan Internal
SE06C037PPI 6-32 3/ 8 Phillips Pan Internal
SE06C043PPI 6-32 7/16 Phillips Pan Internal
SE06C043PPI 6-32 7/16 Phillips Pan Internal
SE06C050PPI 6-32 1/ 2 Phillips Pan Internal
SE06C050PPI 6-32 1/ 2 Phillips Pan Internal
SE06C056PPI 6-32 9/16 Phillips Pan Internal
SE06C062PPI 6-32 5/ 8 Phillips Pan Internal
SE06C062PPI 6-32 5/ 8 Phillips Pan Internal
SE06C062PPI 6-32 5/ 8 Phillips Pan Internal
SE06C062PPI 6-32 5/ 8 Phillips Pan Internal
SE06C075PPI 6-32 3/ 4 Phillips Pan Internal
SE06C075PPI 6-32 3/ 4 Phillips Pan Internal
SE06C075PPI 6-32 3/ 4 Phillips Pan Internal
SE06C087PPI 6-32 7/ 8 Phillips Pan Internal
SE06C100PPI 6-32 1 Phillips Pan Internal
SE06C100PPI 6-32 1 Phillips Pan Internal
SE06C125PPI 6-32 1 1/ 4 Phillips Pan Internal
SE06C025SPI 6-32 1/ 4 Slotted Pan Internal
SE08C025PPI 8-32 1/ 4 Phillips Pan Internal
SE08C025PPI 8-32 1/ 4 Phillips Pan Internal
SE08C031PPI 8-32 5/16 Phillips Pan Internal
SE08C031PPI 8-32 5/16 Phillips Pan Internal
SE08C037PPI 8-32 3/ 8 Phillips Pan Internal
SE08C037PPI 8-32 3/ 8 Phillips Pan Internal
SE08C037PPI 8-32 3/ 8 Phillips Pan Internal
SE08C037PPI 8-32 3/ 8 Phillips Pan Internal
SE08C043PPI 8-32 7/16 Phillips Pan Internal
SE08C043PPI 8-32 7/16 Phillips Pan Internal
SE08C050PPI 8-32 1/ 2 Phillips Pan Internal
SE08C050PPI 8-32 1/ 2 Phillips Pan Internal
SE08C050PPI 8-32 1/ 2 Phillips Pan Internal
SE08C062PPI 8-32 5/ 8 Phillips Pan Internal
SE08C075PPI 8-32 3/ 4 Phillips Pan Internal
SE08C075PPI 8-32 3/ 4 Phillips Pan Internal
SE08C075PPI 8-32 3/ 4 Phillips Pan Internal
SE08C100PPI 8-32 1 Phillips Pan Internal
SE08C100PPI 8-32 1 Phillips Pan Internal
SE08C100PPI 8-32 1 Phillips Pan Internal
SE10F031PPI 10-32 5/16 Phillips Pan Internal
SE10F031PPI 10-32 5/16 Phillips Pan Internal
SE10F037PPI 10-32 3/ 8 Phillips Pan Internal
SE10F037PPI 10-32 3/ 8 Phillips Pan Internal
SE10F050PPI 10-32 1/ 2 Phillips Pan Internal
SE10F050PPI 10-32 1/ 2 Phillips Pan Internal
SE10F050PPI 10-32 1/ 2 Phillips Pan Internal
SE10F062PPI 10-32 5/ 8 Phillips Pan Internal
SE10F062PPI 10-32 5/ 8 Phillips Pan Internal
SE10F075PPI 10-32 3/ 4 Phillips Pan Internal
SE10F075PPI 10-32 3/ 4 Phillips Pan Internal
SE10F100PPI 10-32 1 Phillips Pan Internal
SE10F100PPI 10-32 1 Phillips Pan Internal
SE25C037PPI 1/4-20 3/ 8 Phillips Pan Internal
SE25C050PPI 1/4-20 1/ 2 Phillips Pan Internal
SE25C050PPI 1/4-20 1/ 2 Phillips Pan Internal
SE25C075PPI 1/4-20 3/ 4 Phillips Pan Internal





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.
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