Zhou Ye metal product plant. is a professional hardware manufacturer in China, specializing in door and window hardware accessories. We mainly produce UPVC, stainless steel, and steel espag rod, window bolt, door and window parts, widely used in residential and commercial door and window systems. With stable production capacity and strict quality control, we supply reliable hardware solutions for global manufacturers and wholesalers.
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Casement Window BoltsCasement window bolts are useful on tall sashes to keep them from bowing at the top, or on double casements that close together. Choose from surface slide bolts or cremone bolts, which feature a
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Manual Window OperatorManual window operators are convenient and practical door and window hardware accessories that allow for manual window opening. They are suitable for all types of doors and windows, providing
Why Choose Us
Advanced Equipment
We operate an independent production facility equipped with modern automated machinery, including automatic stamping machines and automatic riveting machines.
High Production Output
Efficient production lines enable a daily output of up to 12,000 pieces, ensuring fast response and stable lead times for large-volume orders.
Broad Market
Our products are primarily exported to Middle Eastern countries such as Uzbekistan and Libya, as well as Latin American countries such as Argentina.
OEM & ODM Available
Supported by in-house manufacturing and technical capability, we offer customized production for door and window hardware accessories.
Types of Window Bolt
Manual Window Operator
Manual window operators are convenient and practical door and window hardware accessories that allow for manual window opening. They are suitable for all types of doors and windows, providing convenient ventilation.
Casement Window Bolts
Casement window bolts are useful on tall sashes to keep them from bowing at the top, or on double casements that close together. Choose from surface slide bolts or cremone bolts, which feature a handle and lock at top and bottom, eliminating the need for a casement bolt.

Specifications of Window Bolt
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Product Name |
Window Bolt |
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Application |
Casement windows, manual window systems, wooden & aluminum frames |
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Material Options |
Stainless Steel, Zinc Alloy, Carbon Steel |
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Surface Finish |
Polished, Brushed, Powder Coated, Electroplated |
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Installation Type |
Surface Mounted |
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Bolt Type |
Slide Bolt, Cremone Bolt |
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Operation |
Manual |
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Locking Points |
Single Point / Dual Point (Top & Bottom) |
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Standard Length |
150 mm / 200 mm / 250 mm |
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Bolt Diameter |
8 mm – 12 mm |
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Thickness |
1.2 mm – 2.0 mm |
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Load Capacity |
≥ 150 N |
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Corrosion Resistance |
48 – 96 Hours Salt Spray Test |
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Color Options |
Silver, Black, White, Bronze |
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Usage Environment |
Indoor / Outdoor |
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Packaging |
Bulk / Individual Box / Custom Packing |
Functions of Window Bolt
Convenient and Practical
Manually opening windows allows for rapid ventilation and improves indoor air quality.
Easy Installation
Manual window openers are easy to install and can be done by the user, without the need for a professional.
Durable and Reliable
Made of high-quality materials, manual window openers are durable and reliable, and are less likely to malfunction over time.
Customization Options
Material: Optional
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Style: Customized
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Color: Optional
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Finishes: Anti-rust, Polished, or Other
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Logo: Customized
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Common Materials of Window Bolt
Stainless Steel
Stainless steel is an iron and chromium alloy. While stainless must contain at least 10.5% chromium, the exact components and ratios will vary based on the grade requested and the intended use of the steel.
Zinc Alloy
Zinc alloy is a combination of at least two metals, such as zinc and aluminum or zinc and copper. The resulting mixture has properties that are different from pure zinc or another component.
Carbon Steel
Carbon Steel is a metal alloy, meaning it contains two elements, iron and carbon. Carbon Steel can be broken up into three subtypes, low, medium, and high carbon steel.
Step 1
Hold the stay up against the window frame to mark where the screw holes should be. The stay should be installed off-centre at the bottom of the window, away from the hinged side. This will allow the window to open and be held open properly.
Step 2
Drill pilot holes into the areas you marked in step 1.
Step 3
Replace the window bolt and fix it into place.
Step 4
Close the window and place the first pin inside the first hole of the stay. Mark through the screw holes of the pin.


Step 5
Drill pilot holes into the areas you marked in step 4.
Step 6
Replace the first pin and fix it into place.
Step 7
Place the second pin inside the last hole of the stay and push the stay arm tight against the window. Mark through the screw holes of the pin.
Step 8
Drill pilot holes into the areas you marked in step 7.
Step 9
Replace the second pin and fix it into place.
Packaging & Shipping & Payment
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Packaging |
Wrapped by proctective film; |
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Packed by standard import & export wooden cases or carton boxes. |
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Shipping |
By logistics; by shipping; by air. |
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Payment |
L/C; T/T; Paypal; West Union; MoneyGram etc. |

FAQ
As one of the most professional window bolt manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to wholesale the best window bolt for sale here from our factory. We also accept custom orders.
Casement Window Bolts, Manual Window Operator, window bolt
