Plum-handle thread clamping hand knob designed for secure, ergonomic manual clamping. Available in standard thread sizes M4, M5, M6, M8, and M10. Specific model: D48M8x50. Key benefits - Ergonomic grip: the plum-shaped handle provides a comfortable handhold for repeated tightening and loosening, reducing hand fatigue and improving control. - Fast manual adjustment: the hand knob design allows quick clamp and release without tools, saving time during setup or maintenance. - Durable and heat-resistant: the handle is made of bakelite, offering reliable wear resistance and stability under elevated temperatures. - Broad compatibility: available in common metric thread sizes (M4–M10) to fit a wide range of bolts, studs, and threaded fittings. - Fit-for-purpose sizing: the D48M8x50 variant provides a precise fit where that dimension is required. Features - Handle shape: plum-shaped for ergonomic operation. - Materials: bakelite handle for durability and heat resistance. - Function: hand knob for easy tightening and loosening of threaded connections. - Thread sizes: M4, M5, M6, M8, M10. - Specific model: D48M8x50 — use where this exact size is specified. Typical applications - Machine fixtures and jigs: quick manual clamping for setup adjustments, tool changes, and positioning without using wrenches. - Equipment panels and access doors: secure closures that need frequent opening and reclosing by hand. - Furniture or assembly fixtures: replaceable hand knobs for adjustable components that require reliable manual tightening. How to choose and use - Select the thread size (M4, M5, M6, M8, or M10) that matches your bolt or threaded insert. - For installations specifying the D48M8x50 dimension, use the D48M8x50 model for correct fit. - Tighten and loosen by hand; no special tools required. The bakelite handle withstands routine use and moderate heat exposure. Specifications - Handle shape: plum-shaped - Handle material: bakelite (durable, heat-resistant) - Operation: hand knob for tightening/loosening - Thread options: M4, M5, M6, M8, M10 - Model example: D48M8x50 If you need a specific thread size or the D48M8x50 model, choose accordingly to ensure compatibility with your application.