Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

PRIME-LINE S 4771 Hinged Window Security Bar - Hinged-Installation Window Security Bars
PRIME-LINEHinged-Installation Window Security Bars

PRIME-LINE S 4771 Hinged Window Security Bar

The PRIME-LINE Window Security Guard is a hinged-installation window security bar set made of carbon steel in black. It features 4 bars, fits window widths from 15 3/4 in to 22 in, has a height of 21 1/4 in, and is…

SKU 3G-OTH-512515

Also listed as: S4771 · S-4771

Brand
PRIME-LINE
Item
S 4771 Hinged Window Security Bar
Category
Hinged-Installation Window Security Bars
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

PRIME-LINE
Manufacturer Part Number
S 4771
Type
15 3/4 in to 22 in, Black, Inside
Material
Carbon Steel
Ht
21 1/4 in
Bars
4
Color
Black
Adjustability
Hinged
Mounting Location
Inside

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

PRIME-LINE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PRIME-LINE Window Security Guard is a hinged-installation window security bar set made of carbon steel in black. It features 4 bars, fits window widths from 15 3/4 in to 22 in, has a height of 21 1/4 in, and is designed for inside mounting (MPN S 4771).

Frequently Asked Questions

What is the PRIME-LINE Window Security Guard used for?

The PRIME-LINE Window Security Guard is a hinged-installation security bar set designed to reinforce windows against forced entry. It is commonly used in residential and commercial buildings to provide a physical barrier while allowing emergency egress via the hinge mechanism.

What are the specifications of the PRIME-LINE Window Security Guard S 4771?

The PRIME-LINE S 4771 is a carbon steel window security guard with 4 bars, a height of 21 1/4 in, and adjusts to fit window widths from 15 3/4 in to 22 in. It is black, mounts inside, and uses a hinged design for easy opening.

Where to buy the PRIME-LINE Window Security Guard worldwide?

3G Electric supplies the PRIME-LINE Window Security Guard S 4771 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this carbon steel security bar set.

How to install the PRIME-LINE Window Security Guard?

Install the PRIME-LINE Window Security Guard by mounting the hinged frame inside the window opening using the provided hardware. Ensure the bars are level and the hinge mechanism operates freely. Always follow local building codes for security bar egress requirements.

Used in

Common applications for PRIME-LINE
Residential garage door repair — PRIME-LINE keyed T-handles (GD 52169) for replacing broken lock handles on sectional doors.
Light-commercial door maintenance — PRIME-LINE spring cables (GD 52102) for torsion spring systems on warehouse overhead doors.
Sliding door security — PRIME-LINE slide locks (GD 52118) for bolting sliding garage doors in industrial storage facilities.
Garage door safety — PRIME-LINE stop balls (GD 52286) as travel limit stops on automatic door openers.
Extension spring door systems — PRIME-LINE extension cables (GD 52263) for replacing worn cables on residential garage doors.
Cabinet and locker hardware — PRIME-LINE keyed L-handles (GD 52123) for securing storage cabinets in maintenance shops.

PRIME-LINE Products

3G Electric supplies PRIME-LINE hinged-installation window security bars. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from PRIME-LINE

View all PRIME-LINE parts
This hinged window security bar system is constructed from carbon steel with a white finish. It adjusts from 32 1/2 to 54 inches in width and has a height of 21 1/4 inches, featuring four horizontal bars. Designed for inside mounting, it provides a physical barrier for windows in residential or commercial settings
PRIME-LINE
This hinged window security bar system is constructed from carbon steel with a white finish. It adjusts from 32 1/2 to 54 inches in width and has a height of 21 1/4 inches, featuring four horizontal bars. Designed for inside mounting, it provides a physical barrier for windows in residential or commercial settings
This hinged window security bar system is constructed from carbon steel with a black finish. It features four horizontal bars and adjusts from 32 1/2 to 54 inches in width, with a fixed height of 21 1/4 inches. Designed for inside mounting, it allows the window to open for ventilation while providing a physical barrier against forced entry
PRIME-LINE
This hinged window security bar system is constructed from carbon steel with a black finish. It features four horizontal bars and adjusts from 32 1/2 to 54 inches in width, with a fixed height of 21 1/4 inches. Designed for inside mounting, it allows the window to open for ventilation while providing a physical barrier against forced entry
Carbon steel security bars with hinged design for inside mounting. Adjustable width from 23 1/2 to 38 inches, height 21 1/4 inches, with 4 bars in black finish. Used to reinforce windows against forced entry while allowing emergency egress
PRIME-LINE
Carbon steel security bars with hinged design for inside mounting. Adjustable width from 23 1/2 to 38 inches, height 21 1/4 inches, with 4 bars in black finish. Used to reinforce windows against forced entry while allowing emergency egress
This hinged window security bar system is constructed from carbon steel with a bronze finish. It features 4 bars, a height of 21 1/4 inches, and adjusts from 32 1/2 to 54 inches in width. Designed for inside mounting, it provides a physical barrier for windows while allowing emergency egress through the hinge mechanism. Suitable for residential or light-commercial windows
PRIME-LINE
This hinged window security bar system is constructed from carbon steel with a bronze finish. It features 4 bars, a height of 21 1/4 inches, and adjusts from 32 1/2 to 54 inches in width. Designed for inside mounting, it provides a physical barrier for windows while allowing emergency egress through the hinge mechanism. Suitable for residential or light-commercial windows
This hinged-installation window security bar from PRIME-LINE is made of carbon steel with a white finish. It adjusts from 23 1/2 to 38 inches wide, stands 21 1/4 inches tall, and features 4 bars for inside mounting. Designed to reinforce windows against forced entry while allowing quick egress in emergencies
PRIME-LINE
This hinged-installation window security bar from PRIME-LINE is made of carbon steel with a white finish. It adjusts from 23 1/2 to 38 inches wide, stands 21 1/4 inches tall, and features 4 bars for inside mounting. Designed to reinforce windows against forced entry while allowing quick egress in emergencies