Star Hand Knobs, M6-1.0 x 12 mm

The 32 mm star-shaped plastic head gives you a broad surface to grip when tightening or loosening by hand, while the galvanized metal screw provides the threaded connection. This set includes 10 knobs with M6-1.0 threads and a listed thread length of 12 mm, making it a practical format when you need several matching hand-operated clamping points. The plastic-and-metal construction is intended for manual adjustment rather than a tool-driven fastener. Keep in mind that the listing gives the head thickness as 14.5 mm, while the package size is written as 32×6×12, so check the dimensions against your available clearance before ordering.

Key points

Each knob combines a black plastic star head with a galvanized metal screw. The head measures 32 mm in diameter, and the screw has a 6 mm thread diameter, a 1.0 mm pitch, and a 12 mm thread length. The full-thread design gives the knob a threaded section along its stated length, however, the product details do not specify a load rating or a particular material it should clamp.

The pack contains 10 pieces, which is useful when replacing several knobs at once or keeping matching spares on hand. Compared with a plain bolt that needs a wrench, a hand knob is meant to be adjusted by gripping the head directly. That is convenient for repeated manual adjustments, but it is not a substitute for a fastener selected for a stated torque or load requirement.

Fit and sizing

The key fit details are the M6-1.0 thread and 12 mm thread length. Match both to the threaded opening and the amount of engagement your setup needs, a similar-looking screw with a different pitch or length may not fit correctly. The head diameter is 32 mm, with a stated thickness of 14.5 mm, so allow room not just for the screw but also for the head and your fingers when turning it.

The size is also shown as 32×6×12, which aligns with the head diameter, thread diameter, and thread length rather than listing every dimension. If your installation has a tight recess or a specific clearance limit, the separate 14.5 mm head-thickness figure matters. This is a straightforward choice when those measurements match your existing hardware, not a universal replacement for every hand knob.

Tips for day-to-day use

For a quick fit check, compare the old knob’s thread diameter, pitch, and length before removing the full set. During installation, start the screw by hand and turn the plastic head without forcing it, resistance early on can indicate a thread mismatch. When tightening a clamp, use hand pressure appropriate to the job rather than treating the star head like a lever for applying extra force.

A 10-piece pack can help keep adjustments consistent across several points. If you only need one replacement, the remaining knobs may be more than you need. The listing describes the head as plastic and the screw as galvanized metal, but does not provide a load limit, corrosion rating, or a specific application range, so those requirements should guide your choice for demanding setups.

Questions before you buy

What is included? The package contains 10 M6-1.0×12 mm star hand knobs.

What are they made of? The heads are plastic, and the screws are metal with a galvanized surface.

Will they fit my existing hardware? They are intended for an M6 thread with a 1.0 mm pitch and a 12 mm screw length. Compare those measurements, along with the 32 mm head diameter and 14.5 mm head thickness, with your installation.

Is it worth it?

It makes sense if you need a set of matching knobs for hand-operated clamping and your hardware calls for M6-1.0 threads with a 12 mm reach. The star head offers a more direct grip than a standard bolt, and ten pieces can be useful for multiple adjustment points or replacements. You may want to skip it if you need a different thread, a longer screw, a specified load rating, or a low-profile head, those details are not provided here.