Heyco® Hole Plugs for Double D Mounting Holes Features Closes unwanted strain relief mounting holes or other double faced or Double “D” holes punched or molded with two opposing flats. Convex, matte finish head tapers to a thin edge. Locks firmly in panels up to .125˝ (3,2 mm) thick. Quick and easy installation. Material 6/6 Nylon Certifications Recognized under the Component Program of Underwriters’ Laboratories File E51579 Certified by the Canadian Standards Association File LR8919 Flammability 94V-2 Temperature 257°F (125°C)–Maximum temperature on part not to exceed 221°F (105°C)

Heyco® Hole Plugs for Double D Mounting Holes Specifications PANEL DIMENSIONS PART NO. DESCRIPTION PART DIMENSIONS CAD Maximum Thickness C Mounting Hole Diameter D To Prevent Rotation Black White A Head Diameter B Overall Diameter in. mm. in. mm. in. mm. in. mm. in. mm. .125 3,2 .437 11,1 .390 9,9 2488 2489 DD-437-390 .531 13,5 .406 10,3 .125 3,2 .500 12,7 .445 11,3 2491 2492 DD-500-445 .554 14,7 .406 10,3 .125 3,2 .562 14,3 .530 13,5 2494 2495 DD-562-530 .656 16,7 .406 10,3 .125 3,2 .625 15,9 .550 14,0 2497 2498 DD-625-550 .728 18,5 .406 10,3 .125 3,2 .750 19,1 .625 15,9 2503 2504 DD-750-625 .921 23,4 .406 10,3 .125 3,2 .875 22,2 .770 19,5 2509 2510 DD-875-770 1.016 25,8 .453 11,5 Standard color black. Consult Heyco for other colors. Locking fingers in fractional increments up to the maximum panel thickness. Approximate Head Thickness: .063˝ (1,6 mm). Thickness may vary.