Hand Knobs

Hand knobs are a type of manual control used across various types of machinery and equipment, offering a practical and user-friendly means to adjust, tighten, or loosen components with minimal effort. Essentially, they are small, typically round or multi-lobed knobs that can be easily turned or twisted by hand. Their primary function is to allow operators to manipulate machinery settings or to secure parts in place without the need for tools. This ease of use makes them ideal for applications that require frequent adjustments or where quick access is necessary.

At Carr Lane Mfg., we utilize high-quality materials such as aluminum, phenolic, and thermoplastic, ensuring our machine hand knobs are not only robust but also comfortable to handle, even under high torque conditions. Our thoughtfully designed hand knobs include features like molded-in brass inserts for enhanced thread strength and non-slip textures for ease of use. They come in various shapes, such as fluted, four-prong, or T-shaped, each tailored to provide a reliable grip and to maximize the force exerted by the operator, ensuring effective tightening or loosening. 

We offer a variety of hand knobs to ensure you can effectively adjust and position components for any machining process or application. These knobs are ideal for adjusting, clamping, tightening, and positioning components with ease and reliability. Available in multiple styles, sizes, and materials, each knob is engineered to suit specific functional and ergonomic needs.

Fluted Knobs: Fluted knobs feature a contoured, grooved surface for enhanced grip and control, making them ideal for precise, repetitive adjustments. The fluting allows for better finger traction, especially in oily or wet environments. These knobs are often used in applications where precision and comfort are critical, such as on machine guards, instrument panels, and positioning equipment. 

Four-Prong Knobs: Designed for a firm and comfortable grip, four-prong knobs allow for quick and efficient tightening or loosening, suitable for high torque. Their wide, easy-to-grasp profile makes them perfect for applications that involve frequent clamping, loosening, or repositioning under higher force. Commonly used in fixtures, workholding devices, and heavy-duty machinery, these knobs provide a secure, comfortable grip even while wearing gloves.

Three-Prong Knobs: Three-prong knobs strike a balance between compact size and ergonomic efficiency, perfect for settings where rapid manual adjustments are necessary. Their triangular shape provides an easy grip and effective force, making them ideal for applications where space is limited but manual adjustments are still required. These knobs are frequently used in tight assemblies, lab equipment, and adjustable setups that demand quick and reliable operator control.

T-Handle Knobs: T-Handle knobs are specifically designed to deliver strong leverage and controlled torque. Their horizontal grip shape allows the operator to apply significant tightening force with minimal effort, making them ideal for clamping, locking, or positioning operations that require a firm hold. T-handles are commonly found in fixture plates, press assemblies, and adjustable jigs, where precision and durability are paramount. 

Hand knobs can make your machine operation more efficient and comfortable. Still, it’s essential to understand how to implement and use them to achieve the best results properly. 

• Captive Products Guide

Ensure you have all the parts you need for your operation with our additional knobs, accessories, and workholding products. Many Carr Lane Mfg. customers add these accessories to optimize their processes: 

• Fluted Hand Wheels (Phenolic)
• Swing Clamp Assemblies
• Bar Knobs
• Captive Locating Screws with Hand Knob
• Knob Handles
• Latch Screws
• Clamping Pins