JARBLUE Plastic Ball Knob Clamping Nuts M4–M16 Thread | 2-Pack

JARBLUE Plastic Ball-Head Clamping Knob Nuts — 2-Pack

Upgrade your woodworking jigs, fixtures, and DIY projects with these sturdy ball-shaped head clamping knob nuts from JARBLUE. Available in Black or Red and a full range of thread sizes (M4, M5, M6, M8, M10, M12, M14, M16), these hand-tightenable knobs let you make fast, tool-free adjustments on the fly — perfect for workshop setups where you're constantly repositioning clamps, fences, or guides.

Made in Mainland China.

Key Features

• Nylon Construction: Lightweight yet durable nylon resists corrosion and is gentle on workpiece surfaces — no scratching or marring.
• Ball-Shaped Ergonomic Head: The rounded knob profile gives a comfortable, secure grip for fast hand-tightening without tools.
• Wide Thread Range: Covers M4 / M5 / M6 / M8 / M10 / M12 / M14 / M16 — compatible with a huge variety of machines, jigs, and fixtures.
• Two Colors Available: Choose Black or Red to color-code your controls or simply match your existing hardware.
• Pack of 2: Get two knobs per order — ideal for symmetrical setups or as a convenient spare.
• Customizable: Designed to accept custom thread inserts for versatile workshop applications.
• Woodworking Ready: Ideal for workbenches, router tables, band saws, drill press fences, and countless other shop fixtures.

Specifications

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Frequently Asked Questions

Q: What thread sizes are available for these ball-head clamping knob nuts?

A: These JARBLUE clamping knob nuts are available in eight standard metric thread sizes: M4, M5, M6, M8, M10, M12, M14, and M16. Simply select the size that matches your bolt or stud when ordering.

Q: Are these knobs suitable for use on woodworking machinery and jigs?

A: Absolutely. The ball-shaped nylon knobs are specifically designed for woodworking applications — including router tables, drill press fences, workbench fixtures, and hand-built jigs — where frequent, tool-free adjustments are needed.

Q: Will the nylon material hold up under regular workshop use?

A: Yes. The high-quality nylon construction offers excellent durability, corrosion resistance, and surface-friendly contact, making these knobs well-suited for ongoing workshop use without damaging delicate workpiece surfaces.

Q: Can I get both colors in a single order?

A: Each pack contains 2 knobs of a single color (Black or Red). To get both colors, simply add one pack of each to your cart. Color-coding your controls can help you quickly identify different adjustment points on complex jigs or fixtures.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.