Hex triple combination screw pre‑assembled with hex bolt, flat washer and spring washer. No manual washer assembly required to improve installation efficiency. The spring washer provides anti‑loosening and shock‑proof performance. Available in zinc‑plated carbon steel or stainless steel for chassis, sheet‑metal and electrical parts fastening.
Product Introduction
Hex triple combination screw is pre‑assembled with hex bolt, flat washer and spring washer. The flat washer expands bearing area to protect workpiece surface, while the spring washer absorbs vibration for anti‑loosening locking. Pre‑combined design greatly speeds up assembly on production lines.
Product Advantages
1. Pre‑assembled three‑piece structure, fewer spare‑parts management, faster installation
2. Spring washer absorbs vibration to avoid loosening under continuous shaking
3. Hex head bears even force and high tightening torque
4. Zinc‑plated for rust resistance; stainless steel option for acid‑alkali corrosion resistance
Application
Electric control cabinet, equipment chassis, sheet‑metal housing, new‑energy parts, fitness equipment, home appliances and machinery accessories.
Our Factory
We specialize in various combination screws. Custom diameter, length, washer thickness, material and surface treatment are available. Strict dimension inspection ensures stable quality. Samples and bulk production orders are welcome.
Contact: Sunny
Phone: +86 18550556558
Tel: +86 18962607295
Email: fanhanghardware@gmail.com
Add: Guangfeng District, Shangrao City, Jiangxi Province, China