Sichuan Bochen Guosheng Intelligent Technology Co., Ltd.
BOCHEN｜Manufacturer of Potentiometers and Electronic Components For 25 Years.
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A03 Aluminum Cap Bakelite Potentiometer Knob For 3590S Potentiometer
The GSBK series bakelite knob is a reliable and stylish control accessory designed for smooth operation and a comfortable grip. Manufactured from high-strength Bakelite material, this knob offers excellent durability, electrical insulation, and heat resistance—making it ideal for a wide range of industrial and consumer electronics applications.
• Premium Bakelite Construction
Rigid and durable with excellent heat and chemical resistance.
• Ergonomic Design
Smooth, comfortable grip for precise manual control.
• Wide Compatibility
Compatible with rotary potentiometers, switches, and encoders with D-shaft, round shaft, or knurled shaft.
• Classic Look
Matte black or glossy finish with optional indicator line for quick position reference.
• Variety of Sizes and Styles
Available in multiple diameters and heights to match different panel designs.
Shell Material: Bakelite
Inner Hole Material: bress
Color: Black (custom colors available upon request)
Mounting Type: Set screw or push-on type
Inner Hole Diameter: 6mm / 6.35mm / custom sizes
Compatible Shaft Types: D-shaft, round shaft, knurled shaft
Finish Options: Matte or glossy
Optional Features: Indicator line, plastic insert, textured surface
25 pieces per box.
• Audio equipment.
• Laboratory instruments.
• Industrial control panels.
• DIY electronics and Arduino projects.
• Medical devices.
• Signal processing devices.
• Educational training equipment.
• High-quality Bakelite with a classic finish
• Factory-direct supply ensures competitive pricing
• Wide range of styles and sizes in stock
• Support for OEM & custom branding
• Fast delivery & professional service
Give your device the control it deserves with our Potentiometer Bakelite Knob — a perfect blend of function, durability, and timeless design.