Round Head Slotted Screws – Brass, Steel & 18-8 Stainless Steel Reliable round head slotted machine screws designed for tattoo machine builders, technicians, and shop hardware applications where traditional slotted hardware and dependable fastening are preferred. The rounded head profile provides a smooth, classic appearance while maintaining strong clamping force. The slotted drive allows for quick adjustments using a standard flathead screwdriver, making these screws ideal for machine tuning, maintenance, and assembly. Available in brass, steel, and passivated 18-8 stainless steel, giving builders multiple options depending on appearance, strength, and corrosion resistance. Perfect for tattoo machine assembly, repairs, and custom builds. Features Round Head Design – smooth traditional profile with strong clamping surface Slotted Drive – simple installation and easy adjustments Multiple Material Options – brass, steel, or stainless steel Durable machine screw construction Ideal for tattoo machine builds, tuning, and repairs Available Sizes 1/4" 5/16" 3/8" 1/2" 5/8" 1" Material Options Brass Classic gold appearance Naturally corrosion resistant Popular for custom machine builds Steel Strong and durable construction Reliable everyday shop hardware Ideal for machine assembly and repairs Passivated 18-8 Stainless Steel Excellent corrosion resistance Long service life Ideal for humid shop environments Why Builders Choose Lucky Supply Hardware When building or maintaining tattoo machines, the smallest components matter. Lucky Supply hardware is selected for consistent fit, durability, and reliable performance, helping artists and builders keep their machines tuned and dependable. Trusted by professional tattoo artists and machine builders worldwide. Package Includes Quantity: 1 Screw CAD Files RSB1/4 CAD RSB3/8 CAD RSB1/2 CAD RSB1 CAD RSS1/4 CAD RSS5/16 CAD RSS3/8 CAD RSS1/2 CAD RSS1 CAD RS1/4 CAD RS5/16 CAD RS3/8 CAD RS1/2 CAD RS1 CAD RSBK1/2 CAD