Square Cage Nut

Sheet metal quick-install fasteners
Material: Carbon steel, stainless steel (304), brass; strength grades 4.8–10.9
Structure: Square outer cage + internal threaded insert + spring clip/claw (for clamping)
Surface treatments: Zinc plating, passivation, black oxide
Size M3–M12 (matches standard bolts), square size 8–20mm

Core features of Square Cage Nut

Square cage: Anti-rotation design, fits pre-punched square holes in sheet metal
Spring clip/claw: Quick clamping without tools, one-handed installation
No welding/drilling: Reduces assembly steps, suitable for thin-walled workpieces
Secure locking: Claw structure prevents loosening under vibration
Wide application: Ideal for electrical cabinets, equipment panels, sheet metal assemblies

Product Parameter (Specification)

Standard

DIN,ASTM/ANSI, ISO

Material

Carbon steel, Stainless Steel,Brass,Aluminum

Surface Treatment

Zinc Plated, Hop Dip Galvanized(HDG) phosphorization,

Black Oxide,Geomet,Dacroment,Nickel plated,Zinc-Nickel plated

Size

M1.6-M64

Unite

Piece,KGS,TON

Packing

Bulk cartons with pallet, small boxes in cartons with pallet

Square Cage Nut for Furniture Application Scenario Table

Application Field	Specific Scenarios	Standards & Grades	Key Considerations
Furniture Manufacturing	Particleboard/cardboard furniture joints, shelf brackets, cabinet hardware mounts, RTA furniture fasteners.	Carbon steel 4.6/5.6 (zinc-plated), Stainless steel A2-70.	Square shape prevents rotation; Cage design fits threaded rods; No pre-tapping needed for wood.
Construction & Decoration	Light steel keels, drywall partitions, suspended ceiling brackets, aluminum profile connections.	Carbon steel 5.6 (hot-dip galvanized), Stainless steel A4-80.	Corrosion-resistant indoor/outdoor; Secure grip on thin materials; Easy on-site assembly.
Industrial Equipment	Light machine frames, electrical cabinet mounts, conveyor system accessories, sheet metal part fixes.	Carbon steel 8.8 (zinc-plated), Stainless steel A2-70.	Medium load-bearing; Anti-loosening in vibration; Compatible with standard bolts.
DIY & Maintenance	Home storage rack builds, wooden workbench assembly, garage tool mounts, handmade project fasteners.	Carbon steel 4.6/5.6, Stainless steel A2-70.	User-friendly for non-professionals; Fits common tools; Durable for daily use.