20″ Round 22L Heavy-Duty Umbrella Base – Dual Locking Screw Design for Extra Security (Black HDPE)

20″ Round 22L Heavy-Duty Umbrella Base – Dual Locking Screw Design for Extra Security (Black HDPE)

Enhanced Stability with Dual Locking System

✔ 2 Reinforced Screw Clamps – Double the grip strength vs standard single-screw bases
✔ 22L Weight Capacity – Holds 48.5lbs water or 55lbs sand (30% more than typical bases)
✔ 20″ Wide Base – Prevents tipping in 35+ mph winds when properly filled

Key Upgrade:
→ Dual adjustable screw mechanism ensures your umbrella pole stays perfectly vertical

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Commercial-Grade Construction

✔ Military-Grade HDPE – Won’t crack in freezing temperatures
✔ Anti-Corrosion Hardware – Stainless steel screws and washers
✔ Textured Bottom – Rubberized surface grips concrete/wood decks

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Perfect For:

• Rooftop bars & windy coastal areas
• Permanent patio installations
• High-end residential use
• Commercial spaces needing extra security

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Why Upgrade to Dual Screws?

✅ Eliminates pole wobble – Tightens at two contact points
✅ Adjustable for 35-50mm poles – Fits more umbrella types
✅ Tool-free installation – Hand-tighten for instant stability

Pro Tip: For permanent installations:

1. Fill base 2/3 with sand
2. Insert umbrella and tighten both screws
3. Top up with water for added weight

About Us

Taizhou Qingkong Leisure Products Co., Ltd. is a leading manufacturer specializing in high-quality outdoor leisure furniture, sun umbrellas, tents, and more. Located in Linhai, Taizhou, Zhejiang Province, our 8,000-square-meter factory is equipped with state-of-the-art facilities for cutting, metalworking, sewing, assembly, and warehousing, ensuring complete control over the entire production process. With a dedicated team of professionals and advanced production lines, we take pride in delivering stable quality, innovative designs, and efficient service to our clients worldwide.

Whether you’re looking for durable outdoor furniture, stylish sun umbrellas, or versatile tents, we combine craftsmanship, sustainability, and competitive pricing to meet your needs. At Taizhou Qingkong, we are committed to providing exceptional products and services that enhance outdoor living experiences.