Black 4″ Cranked Knob Bolt | 33981

• Fixing Plate: 91mm x 36mm x 3mm
• Receiver Plate: 33mm x 20mm x 2mm
• Throw: 41mm
• Crank Projection: 19mm
We have 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.
Features a simple round knob end.
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.