Stainless Steel Countersunk Washer Conical Bowl Fish Eye Washer Concave Spacer Washer For Hex Socket Screws Custom Size Available
- Premium Material Selection
Made of 304/316 stainless steel & carbon steel optional, anti-rust, corrosion resistant, long service life for humid & harsh working environments.
- Precision CNC Machining
Smooth inner conical concave surface, seamless fit with countersunk hex socket bolts; uniform thickness, no burrs, tight assembly without shaking.
- Perfect Countersunk Design
Bowl/fish eye tapered structure enables screws fully sunk into surface, flat finished appearance, ideal for decoration & mechanical fastening.
- Complete Standard Sizes
Full specs M3/M4/M5/M6/M8/M10/M12 comply with DIN/ISO/GB standards; mass stock for fast delivery.
- Custom Machining Supported
Custom outer diameter, inner bore, thickness, material & surface treatment per drawings; OEM & ODM acceptable.
- Wide Application Scenarios
Used for machinery equipment, automotive, furniture, cabinets, electronic devices, RC models, industrial assembly & decoration fastening.
- Factory Direct Supply
Competitive bulk price, strict quality inspection, stable large-volume production capability.
- Quality assured: strict inspection, stable export
- Non-standard custom: made to drawings, flexible
- Fast delivery: in stock, reliable lead time
- Professional service: 20+ years, full support
