Hook Screws
Rated for 25kg Load Capacity
Self-Tapping Point for Quick Installation
Galvanized Finish for Indoor/Outdoor Use
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Secure Your Heavy Loads with Sinsun Hook Screws
Engineered to hold up to 25kg, Sinsun hook screws install easily without pre-drilling and resist rust, making them ideal for organizing tools, hanging equipment, or securing displays in your workshop or retail space.
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eye screws
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j hook screw
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c hook screw
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L hook screw
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eye lag screw
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lifting eye screw
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Sinsun Hook Screws: Material & Finish Specifications
Type |
Load Capacity |
Material |
Finish |
Thread Size |
Key Features |
C Hook Screw |
30kg |
Carbon Steel |
Zinc Plated (8-12μm) |
M6-M10 |
Continuous curve design, HRC 45-50 hardness |
L Hook Screw |
25kg |
Grade 45C Steel |
Electro-galvanized |
M5-M8 |
90° precision bend, ±1° angle tolerance |
Eye Lag Screw |
35kg |
Alloy Steel |
Hot-dip Galvanized |
1/4"-3/8" |
Forged eyelet, 3:1 safety factor |
White Hook Screw |
20kg |
Carbon Steel |
Epoxy-polyester (60μm) |
M5-M6 |
UV-resistant coating, self-tapping point |
Lifting Eye Screw |
50kg |
Alloy Steel |
Zinc-Nickel Plated |
M8-M12 |
HRC 48-52 hardness, proof-test certified |
All Sinsun hook screws undergo load testing and salt spray corrosion resistance verification. Standard lengths range from 30mm to 150mm, with custom sizes available upon request.
Hook Screw for Ceiling
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Screw Hook for Wall
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Screw Hooks for Hanging
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Eye Screws for Picture Hanging
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Eye Screws for Wood
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Screw Hooks for Outdoor Lights
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Bulk Carton Packaging
Heavy-duty 5-layer corrugated boxes containing 5kg or 10kg of eye screws, with internal cardboard dividers preventing damage during transit. Ideal for construction sites and bulk distributors.
Retail Box Packaging
Sturdy cardboard boxes with transparent PVC windows, containing 20-50 pieces per box. Perfect for hardware stores and DIY retailers, allowing product visibility while maintaining organized storage.
Plastic Compartment Boxes
Reusable PP containers with separate chambers for different screw sizes (M4-M10). The snap-lock lid ensures secure closure and stackable storage in workshops.
Industrial Paper Cartons
Reinforced kraft paper cartons with integrated carrying handles, holding 2kg or 5kg quantities. Features waterproof lining for outdoor storage conditions.
Display Blister Pairs
Card-backed blister packs in pairs or sets of 4, with pre-punched hanging holes for pegboard display. Each unit contains 10-15 pieces for retail self-service areas.
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Q: What are long eye screws typically used for?
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A: They're ideal for creating suspension points in structural applications, such as hanging heavy equipment, rigging overhead lighting, or securing cables where extra thread engagement is needed.
Q: What's the smallest size available in miniature eye screws?
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A: Our miniature range starts from M2 size with an inner diameter of 3mm, perfect for delicate applications like model making or jewelry displays where minimal visibility is required.
Q: Are these suitable for permanent outdoor use?
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A: Yes, our outdoor hooks feature hot-dip galvanized coating with 55渭m minimum thickness, providing protection against corrosion for over 500 hours in salt spray testing.
Q: When should I choose a ring hook over other types?
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A: Ring hooks are perfect for applications requiring frequent attachment changes, such as retail displays or temporary installations, as they allow quick connecting and disconnecting.
Q: Can these be installed without pre-drilling?
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A: For hardwoods, we recommend a 1.5mm pilot hole. In softwoods, our sharp-pointed small eye screws can typically be installed directly with a screwdriver.
Q: What's the loading capacity of U hook screws?
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A: Our standard U hooks support 10-50kg working loads, with the open design allowing quick side-loading of cables or ropes without threading through closed loops.
Q: How much weight can mini eye screws hold?
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A: Depending on size and material, our mini eye screws have working load limits from 5-25kg. They're made from carbon steel with electro-galvanized finish for corrosion resistance.
Q: What's the advantage of the O-shaped design?
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A: The continuous ring design provides 360-degree attachment points, preventing straps or cords from slipping out. The smooth inner surface won't damage connected materials.
Q: Why use specialized screws for picture frames?
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A: Their flat-sided design prevents spinning during installation and the slim profile sits flush with frame edges. The optimized eye size accommodates most hanging wires without excess space.
Q: What's the main safety feature of round hook screws?
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A: The curved design naturally retains connections while allowing easy removal when needed. The smooth radius eliminates sharp edges that could damage ropes or cables.
Q: What tools are needed for installing tiny eye screws?
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A: We recommend using our micro screwdriver set (available separately) which provides better torque control and prevents damage to these small components during installation.
Q: Why are vine eye screws designed with a tapered point?
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A: The sharp, tapered point allows easy installation into wood without splitting, while the angled eye provides optimal guidance for wires or plant stems to follow naturally.
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