Polypropylene Female Threaded Through-Hole

Our Clamping 3-Arm Knobs allow a secure grip to position, control and hold various equipment across a wide range of industries. The lobe and prong design provide a deeper scalloped profile with excellent control and gripping features. These are an ideal choice for moderate clamping applications and offer a simple yet economical solution.

4-Arm Clamping Knobs provide a secure multilobed grip to position, tighten, and hold fixtures, equipment, and machinery. We offer a large selection of knob sizes, thread configurations and ergonomic grips to meet your design requirements. Our pronged knobs feature a plastic base design that provides excellent chemical resistance and a more economical choice opposed to all-steel versions.

Fluted Clamping Knobs have a round design with a positive comfortable grip. The scalloped style allows for a stylish yet functional knob. Flexible mounting options include studded, threaded insert and through-hole. Our knobs are ideal for many mechanical clamping conditions and come in both standard and soft-touch materials.

Star Knobs offer a secure grip with its multi prong design for controlling, positioning and tightening on a variety of different applications. Flexible mounting options include studded, threaded insert and through-hole. Our plastic lobe knobs allow for an economical, lighter weight alternative to steel with good impact strength, resistance to oil, grease and solvents.

T-Handle Knobs are available in a wide range of configurations. The T-Handle design offers a positive torquing operation and is available in studded, threaded insert and through-hole mounting configurations. The simple yet functional clamping knob is available in standard and ergonomic grip designs.

Available in a wide range of sizes and styles, our plastic Wing Knobs offer simple fingertip clamping control and come in both studded and threaded insert versions. The wing design allows for easy torquing operation and is an economical, lighter weight alternative to steel with good chemical resistance.

Push-Pull Knurled Knobs are used for up-down or in-out operation and are designed with a firm knurled grip. These thumbscrew knobs are available in studded, threaded insert and thru-hole mounting options. These plastic knobs are a simple and economical alternative to steel knobs.