Nylon Vent Plugs permit the passage of air for ventilation and heat dissipation. They are available in sixteen sizes for use in 1/2" (12.70 mm) to 4" (101.60 mm) diameter holes.

HEYCO® Pry-Out Nylon Dome Plugs are available in multiple sizes for use in 1/4" (6.4mm) to 2" (58.0mm) diameter holes for panel thicknesses up to 0.250" (6.4mm). Holds securely in chassis up to 1/4" (6.4mm) thick.

Liquid Tight Break-Thru Plugs come in six sizes in the standard black color. These co-molded nylon and elastomer parts provide liquid tight closure when used as a plug. When pierced, Liquid Tight Break-Thru Plugs function as a liquid tight bushing that converts raw edged holes to smooth, neat, insulated holes. They mechanically protect electrical and telecommunications cables, tubing, hoses, ropes and utility lines.