25Pack Tool-Free HandTwist Rack Screws & 19" Square-Hole Cage Nuts Combo - No-Tool Server Rack Mount Hardware with Soft Washers, Carbon Steel for Server/A/V Cabinets,Network Racks (M6)

1. Tool-Free Installation: Replaces traditional screws with knurled thumb screws -install securely by hand without tools. Fix 19 squarehole cage nuts into racks, then twist screws directly in seconds,eliminating need for screwdrivers or drills. | 2. Premium CarbonSteel Durability Our Rack Screws(knurled thumb screws) made from heat-treated carbon steel (non-toxic, eco-safe) with high hardness, yield strength and impact resistance,and can support a wide range of server rack and A/V equipment securely. The perfect rack mount hardware solution thats built to last. | 3. Scratch-Proof Protection: Soft rubber washers protect your equipment's surface from scratches while enhancing fastening and vibration resistancecritical for sensitive server frames and A/V equipment, eliminating scratches during tightening. | 4. Universal Compatibility: Works with all standard 19" server racks, A/V cabinets, and network enclosures. Ideal for rack servers, switches, and patch panels. | 5. Complete Rack Mount Kit: Includes 19 square-hole cage nuts toolfree server rack screws and soft rubber washers combo, ensuring quick install rack hardware for 1U-4U devices.