DIY Friendly 50 Pack Black Snap-In Bushing Grommets for Wiring and Tubing, Three Eighths Inch Mounting Diameter Nylon Knockout Cable Hole Protectors, Round Locking Plastic Bushings for Wires, Cables, and Tubing
✔️ 50 pcs black nylon snap-in bushings; 3/8 in mounting; fits 0.38-0.4 in hole
These snap-in knockout bushings convert rough-edged holes into smooth, insulated passages for wires, cables, and tubing. Ideal for electrical and telecom enclosures in homes, shops, or automotive equipment.
✅ 50 pieces per pack
✅ Mounting diameter: 10 mm (3/8 in)
✅ Hole diameter: 0.38-0.4 in (9.6-10.2 mm)
✅ Inner diameter: 0.25 in (6.3 mm)
✅ Outer diameter: 0.47 in (12 mm)
✅ Height: 0.42 in (10.6 mm)
✅ Thickness: 0.06 in (1.5 mm)
✅ Material: UL-certified flame-retardant nylon 6/6, 94V-2
✅ Temperature range: -0.4°F to 221°F (-18°C to 105°C)
✅ Color: Black
💡 What is a knockout bushing used for in metal electrical boxes and how does a nylon snap-in version protect cables? A quick, practical answer to help you decide if this fits your wiring setup.
- Handy for insulating and protecting cables through knockout holes in metal enclosures
- Reduces abrasion, cushions vibration, and improves overall electrical safety
- Easily snaps into the mounting hole for quick, tool-free installation