Metric screw knob; M4 M5 M6 M8 M10 M12 M14 M16

Support-Free Metric Screw Knob Set (M4–M16)

A versatile collection of 3D-printable metric screw knobs designed to fit standard DIN 933 and DIN 931hex nuts from M4 to M16. These knobs provide a comfortable grip for hand-tightening applications, making them ideal for jigs, fixtures, workshop tools, machine adjustments, and DIY projects.

Features

• Complete size range: Compatible with metric hardware from M4, M5, M6, M8, M10, M12, M14, up to M16.
• Support-free design: Engineered with a unique internal geometry that eliminates the need for traditional supports during printing.
• Bridge-only printing: All models are optimized for clean bridging, reducing print time, filament waste, and post-processing effort.
• Easy nut insertion: Designed to securely capture standard metric hex nuts for reliable torque transfer.
• Fast and efficient printing: No support removal required, resulting in cleaner prints and a smoother workflow.
• Strong and practical: Suitable for workshop, industrial, educational, and hobby applications.

Printing Recommendations

• No supports required.
• Print in the default orientation.
• Standard PLA, PETG, ABS, or similar materials are suitable.
• Adequate bridging performance is recommended for best results.

Included Sizes

M4, M5, M6, M8, M10, M12, M14, and M16.

Whether you're building custom equipment, upgrading shop fixtures, or creating adjustable assemblies, this support-free knob set offers a clean, efficient, and reliable solution for a wide range of metric fastening applications.