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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.
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Locking Hole Plugs


LockingHolePlug.jpg LockingHolePlugDrawing.jpg

Nylon Locking Hole Plugs are available in a large selection of sizes from 3/16" to 4". These hole plugs are designed with multiple locks to positively snap in panel thicknesses ranging from 1/64" to 1/4". Locking Hole Plugs are used to close excess chassis holes, wiring outlets, and production access holes. These hole plugs are molded of heat stabilized nylon (UL94V2), and may be more suitable for critical or elevated temperature applications. Vent Plugs are available in the 3/4", 7/8" and 1" diameters. Locking Hole Plugs are stocked in black. Other colors are available in volume requirements.

Part Number Hole Diameter Maximum Thickness Head Diameter B Thickness C
(+/- 0.015)		 Head Height
(+/- 0.015)
PMLHP0187 0.187 0.062 0.250 (+/- 0.015) 0.234 0.062
PMLHP0250 0.250 0.062 0.312 (+/- 0.015) 0.312 0.062
PMLHP0312 0.312 0.062 0.375 (+/- 0.015) 0.312 0.062
PMLHP0375 0.375 0.125 0.468 (+/- 0.015) 0.406 0.062
PMLHP0437 0.437 0.125 0.531 (+/- 0.015) 0.406 0.062
PMLHP0500 0.500 0.125 0.578 (+/- 0.015) 0.406 0.062
PMLHP0562 0.562 0.125 0.656 (+/- 0.015) 0.406 0.062
PMLHP0625 0.625 0.125 0.718 (+/- 0.015) 0.406 0.062
PMLHP0687 0.687 0.125 0.781 (+/- 0.015) 0.406 0.062
PMLHP0750 0.750 0.125 0.922 (+/- 0.015) 0.406 0.062
PMLHP0812 0.812 0.125 0.890 (+/- 0.015) 0.406 0.062
PMLHP0875 0.875 0.125 1.016 (+/- 0.015) 0.453 0.062
PMLHP1000 1.000 0.125 1.203 (+/- 0.015) 0.453 0.062
PMLHP1093 1.093 0.125 1.222 (+/- 0.015) 0.453 0.062
PMLHP1187 1.187 0.125 1.315 (+/- 0.015) 0.453 0.062
PMLHP1250 1.250 0.125 1.375 (+/- 0.015) 0.453 0.062
PMLHP1375 1.375 0.125 1.500 (+/- 0.015) 0.453 0.062
PMLHP1500 1.500 0.125 1.672 (+/- 0.015) 0.453 0.062
PMLHP1750 1.750 0.125 1.925 (+/- 0.015) 0.453 0.062
PMLHP2000 2.000 0.125 2.140 (+/- 0.015) 0.453 0.062
PMLHP2500 2.500 0.250 2.775 (+/- 0.031) 0.750 0.062
PMLHP1250 1.250 0.125 1.500 (+/- 0.015) 0.453 0.062
PMLHP2250 2.250 0.250 2.422 (+/- 0.031) 0.750 0.092
PMLHP3000 3.000 0.250 3.171 (+/- 0.031) 0.720 0.065
PMLHP3375 3.375 0.250 3.656 (+/- 0.031) 0.725 0.070
PMLHP3500 3.500 0.250 3.660 (+/- 0.031) 0.750 0.093
PMLHP4000 4.000 0.250 4.156 (+/- 0.031) 0.765 0.125



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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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