Radiated Groove Spun Metal Cover | Vented Top/Non-Slip Design

Auto-Suggestions:

• Custom grooved metal cover
• Spun aluminum vented lid
• Anti-slip radial pattern cover
• Mirror finish industrial caps
• Metal product photography black background

​Product Description

​Image-Driven Features

• ​Precision Grooving: CNC-spun 12 radial grooves (equal-angle distribution as shown)
• ​Dual-Function Top Hole: Laser-cut Ø8mm hole (M6 threaded pipe compatibility)
• ​Hybrid Surface Finish:
  • Mirror polish (Ra0.4μm) on main surface
  • Bead blasting in grooves (Sa2.5 for 0.8+ friction coefficient)

Key Specifications

• Material: 304 Stainless/6063 Aluminum (high-grade metallic finish)
• Diameter: 3"-10" (groove depth 0.04"-0.12" adjustable)
• Certifications: FDA 21 CFR 175.300 / ASTM B117 Salt Spray

​Enhanced Applications

• ​Brewery Equipment: Removable fermentation tank lid
• ​HVAC Systems: Custom air duct termination caps
• ​Architectural Hardware: Revolving door bearing protection cover