Contact Apex Fasteners

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:

External Tooth Lockwasher SEMS

External-Tooth-Lockwasher.png
SEMS with captive, external tooth washers provide extra gripping power and control during assembly. APEX provides external tooth lockwasher SEMS in a wide range of sizes and materials.
External-Tooth-Lockwasher-Drawing.png
Material Codes
Steel Zinc
SZ
Stainless Steel
SS

All measurements are in inches.

Basic Part Number Size Length Drive Drive Sems Washer
SE02C018PPE 2-56 3/16 Phillips Pan External
SE02C025PPE 2-56 1/ 4 Phillips Pan External
SE02C025PPE 2-56 1/ 4 Phillips Pan External
SE02C043PPE 2-56 7/16 Phillips Pan External
SE04C037HWE 4-40 3/ 8
Ind Hex Wash External
SE04C018PPE 4-40 3/16 Phillips Pan External
SE04C018PPE 4-40 3/16 Phillips Pan External
SE04C018PPE 4-40 3/16 Phillips Pan External
SE04C025PPE 4-40 1/ 4 Phillips Pan External
SE04C025PPE 4-40 1/ 4 Phillips Pan External
SE04C025PPE 4-40 1/ 4 Phillips Pan External
SE04C025PPE 4-40 1/ 4 Phillips Pan External
SE04C025PPE 4-40 1/ 4 Phillips Pan External
SE04C031PPE 4-40 5/16 Phillips Pan External
SE04C031PPE 4-40 5/16 Phillips Pan External
SE04C031PPE 4-40 5/16 Phillips Pan External
SE04C031PPE 4-40 5/16 Phillips Pan External
SE04C037PPE 4-40 3/ 8 Phillips Pan External
SE04C037PPE 4-40 3/ 8 Phillips Pan External
SE04C037PPE 4-40 3/ 8 Phillips Pan External
SE04C043PPE 4-40 7/16 Phillips Pan External
SE04C043PPE 4-40 7/16 Phillips Pan External
SE04C050PPE 4-40 1/ 2 Phillips Pan External
SE04C050PPE 4-40 1/ 2 Phillips Pan External
SE04C062PPE 4-40 5/ 8 Phillips Pan External
SE04C062PPE 4-40 5/ 8 Phillips Pan External
SE04C062PPE 4-40 5/ 8 Phillips Pan External
SE04C075PPE 4-40 3/ 4 Phillips Pan External
SE04C075PPE 4-40 3/ 4 Phillips Pan External
SE04C087PPE 4-40 7/ 8 Phillips Pan External
SE04C087PPE 4-40 7/ 8 Phillips Pan External
SE04C100PPE 4-40 1 Phillips Pan External
SE04C125PPE 4-40 1 1/ 4 Phillips Pan External
SE04C025SPE 4-40 1/ 4 Slotted Pan External
SE04C025SPE 4-40 1/ 4 Slotted Pan External
SE04C050SPE 4-40 1/ 2 Slotted Pan External
SE04C050SPE 4-40 1/ 2 Slotted Pan External
SE04C037TPE 4-40 3/ 8 6-Lobe Pan External
SE06C050HE 6-32 1/ 2
Ind Hex External
SE06C018PPE 6-32 3/16 Phillips Pan External
SE06C018PPE 6-32 3/16 Phillips Pan External
SE06C025PPE 6-32 1/ 4 Phillips Pan External
SE06C025PPE 6-32 1/ 4 Phillips Pan External
SE06C025PPE 6-32 1/ 4 Phillips Pan External
SE06C031PPE 6-32 5/16 Phillips Pan External
SE06C031PPE 6-32 5/16 Phillips Pan External
SE06C037PPE 6-32 3/ 8 Phillips Pan External
SE06C037PPE 6-32 3/ 8 Phillips Pan External
SE06C037PPE 6-32 3/ 8 Phillips Pan External
SE06C037PPE 6-32 3/ 8 Phillips Pan External
SE06C043PPE 6-32 7/16 Phillips Pan External
SE06C043PPE 6-32 7/16 Phillips Pan External
SE06C043PPE 6-32 7/16 Phillips Pan External
SE06C043PPE 6-32 7/16 Phillips Pan External
SE06C050PPE 6-32 1/ 2 Phillips Pan External
SE06C050PPE 6-32 1/ 2 Phillips Pan External
SE06C050PPE 6-32 1/ 2 Phillips Pan External
SE06C050PPE 6-32 1/ 2 Phillips Pan External
SE06C062PPE 6-32 5/ 8 Phillips Pan External
SE06C062PPE 6-32 5/ 8 Phillips Pan External
SE06C062PPE 6-32 5/ 8 Phillips Pan External
SE06C075PPE 6-32 3/ 4 Phillips Pan External
SE06C075PPE 6-32 3/ 4 Phillips Pan External
SE06C075PPE 6-32 3/ 4 Phillips Pan External
SE06C100PPE 6-32 1 Phillips Pan External
SE06C100PPE 6-32 1 Phillips Pan External
SE06C125PPE 6-32 1 1/ 4 Phillips Pan External
SE06C137PPE 6-32 1 3/ 8 Phillips Pan External
SE06C150PPE 6-32 1 1/ 2 Phillips Pan External
SE06C200PPE 6-32 2 Phillips Pan External
SE06C062SHE 6-32 5/ 8 Slotted Ind Hex External
SE06C025SPE 6-32 1/ 4 Slotted Pan External
SE06C031SPE 6-32 5/16 Slotted Pan External
SE06C037SPE 6-32 3/ 8 Slotted Pan External
SE06C050SPE 6-32 1/ 2 Slotted Pan External
SE06C062SPE 6-32 5/ 8 Slotted Pan External
SE08C018PPE 8-32 3/16 Phillips Pan External
SE08C018PPE 8-32 3/16 Phillips Pan External
SE08C025PPE 8-32 1/ 4 Phillips Pan External
SE08C025PPE 8-32 1/ 4 Phillips Pan External
SE08C031PPE 8-32 5/16 Phillips Pan External
SE08C031PPE 8-32 5/16 Phillips Pan External
SE08C037PPE 8-32 3/ 8 Phillips Pan External
SE08C037PPE 8-32 3/ 8 Phillips Pan External
SE08C037PPE 8-32 3/ 8 Phillips Pan External
SE08C043PPE 8-32 7/16 Phillips Pan External
SE08C050PPE 8-32 1/ 2 Phillips Pan External
SE08C050PPE 8-32 1/ 2 Phillips Pan External
SE08C062PPE 8-32 5/ 8 Phillips Pan External
SE08C062PPE 8-32 5/ 8 Phillips Pan External
SE08C075PPE 8-32 3/ 4 Phillips Pan External
SE08C075PPE 8-32 3/ 4 Phillips Pan External
SE08C100PPE 8-32 1 Phillips Pan External
SE08C100PPE 8-32 1 Phillips Pan External
SE08C125PPE 8-32 1 1/ 4 Phillips Pan External
SE08C025SPE 8-32 1/ 4 Slotted Pan External
SE08C037SPE 8-32 3/ 8 Slotted Pan External
SE08C037SPE 8-32 3/ 8 Slotted Pan External
SE08C037SPE 8-32 3/ 8 Slotted Pan External
SE08C050SPE 8-32 1/ 2 Slotted Pan External
SE10C037PPE 10-24 3/ 8 Phillips Pan External
SE10C062PPE 10-24 5/ 8 Phillips Pan External
SE10C075PPE 10-24 3/ 4 Phillips Pan External
SE10C037SPE 10-24 3/ 8 Slotted Pan External
SE10F025PPE 10-32 1/ 4 Phillips Pan External
SE10F025PPE 10-32 1/ 4 Phillips Pan External
SE10F031PPE 10-32 5/16 Phillips Pan External
SE10F037PPE 10-32 3/ 8 Phillips Pan External
SE10F037PPE 10-32 3/ 8 Phillips Pan External
SE10F037PPE 10-32 3/ 8 Phillips Pan External
SE10F050PPE 10-32 1/ 2 Phillips Pan External
SE10F050PPE 10-32 1/ 2 Phillips Pan External
SE10F050PPE 10-32 1/ 2 Phillips Pan External
SE10F062PPE 10-32 5/ 8 Phillips Pan External
SE10F062PPE 10-32 5/ 8 Phillips Pan External
SE10F075PPE 10-32 3/ 4 Phillips Pan External
SE10F075PPE 10-32 3/ 4 Phillips Pan External
SE10F025SHE 10-32 1/ 4 Slotted Ind Hex External
SE10F037SHE 10-32 3/ 8 Slotted Ind Hex External
SE10F037SPE 10-32 3/ 8 Slotted Pan External
SE10F050SPE 10-32 1/ 2 Slotted Pan External
SE25C037HE 1/4-20 3/ 8
Ind Hex External
SE25C050HE 1/4-20 1/ 2
Ind Hex External
SE25C062HE 1/4-20 5/ 8
Ind Hex External
SE25C062HE 1/4-20 5/ 8
Ind Hex External
SE25C062HE 1/4-20 5/ 8
Ind Hex External
SE25C075HE 1/4-20 3/ 4
Ind Hex External
SE25C100HE 1/4-20 1
Ind Hex External
SE25C037PPE 1/4-20 3/ 8 Phillips Pan External
SE25C050PPE 1/4-20 1/ 2 Phillips Pan External
SE25C062PPE 1/4-20 5/ 8 Phillips Pan External
SE25C075PPE 1/4-20 3/ 4 Phillips Pan External
SE25C100PPE 1/4-20 1 Phillips Pan External
SE25C050SHE 1/4-20 1/ 2 Slotted Ind Hex External
SE25C050SHE 1/4-20 1/ 2 Slotted Ind Hex External



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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