25Pack Tool-Free Hand‑Twist 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)

Upgrade your rack-mount installation experience with our Toolless Hand‑Twist Rack Screws & Cage Nuts Combo – the easiest and safest way to mount servers, switches, AV gear, and more in a 19″ square-hole rack.The knurled thumb screws allow hand-tightening without tools, while the integrated Phillips drive (PH2 compatible) offers flexibility. Paired with 19″ square-hole cage nuts, this kit ensures secure mounting in seconds 1.No tools needed: Just insert the captive cage nut into your rack’s square hole, hand-twist the knurled screw until securely tightened—under 5 seconds! 2.Optional PH2 cross-slot: For those preferring a power tool or screwdriver, our screws still support PH2 compatibility. 3.Protective silicone washers: Prevents metal-on-metal contact, reduces wear, and ensures a snug, vibration-resistant hold. 4.Versatile & safe: Works flawlessly across all standard 19″ server racks and cabinets—no more mismatched hardware. 5.Engineered for excellence: Heat-treated carbon steel delivers toughness, durability, and peace of mind—free from toxic coatings.

• 1. Tool-Free Installation: Replaces traditional screws with ‌knurled thumb screws‌ -install securely by hand without tools. Fix ‌19″ square‑hole cage nuts‌ into racks, then twist screws directly in seconds,eliminating need for screwdrivers or drills.
• 2. Premium Carbon‑Steel 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 that’s built to last.
• 3. Scratch-Proof Protection‌: Soft rubber washers protect your equipment's surface from scratches while enhancing fastening and vibration resistance—critical 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 、tool‑free server rack screws and soft rubber washers combo, ensuring quick install rack hardware for 1U-4U devices.