Black 4″ Universal Knob Bolt | 33871

• Fixing Plate: 100mm x 25mm x 3mm
• Receiver Plate: 37mm x 15mm x 2mm
• Receiver Bridge: 37mm x 10mm x 3mm (Height:12mm)
• Angled Keep: 37mm x 15mm x 2mm (Depth:10mm)
• Throw: 15mm
We offer an extensive range of door, window, French, and flush bolts, ranging from 4″ to 12″.
A multi-purpose bolt that can be used on windows, doors, or for other purposes due to a variety of keeps supplied with the product.
Can be used horizontally or vertically due to the strong spring mechanism incorporated into the bolts.
Supplied with matching SS wood screws.
Our Black finish is a popular choice in traditional settings. Its subtle sheen offers a bold contrast on stained and painted timber alike. During the manufacturing process, our Black products are baked in a high-temperature oven, giving them durable, corrosion-resistant qualities.

Why choose M Brock?
At M Brock, we specialize in high-end architectural ironmongery that combines luxury aesthetics with trade-level performance. Every product in our collection is hand-selected for its quality and durability. Whether you are a homeowner, interior designer, or contractor, we provide the technical expertise and premium hardware needed to bring your vision to life.