M6 Knurled Thumb Screw Aluminium Handle+Stainless Rod High Hand Grip Knob Screws

The D12 (12 mm) handle is suited for tight spaces where clearance around the screw head is limited — common in compact PC cases or densely packed enclosures. The D20 (20 mm) handle gives you more surface area to grip, making it easier to apply torque by hand in open areas or when wearing gloves. If you're unsure, measure the clearance around your mounting hole before selecting.

Thread length should be at least equal to the panel or material thickness you're fastening through, plus enough engagement in the receiving thread (typically 1–1.5× the thread diameter, so at least 6–9 mm of thread engagement for M6). For example, fastening a 5 mm panel into a threaded insert would typically call for a 15–20 mm thread length. Measure your stack-up before ordering.

These thumb screws are designed for hand-tightened, non-structural fastening — panel covers, access doors, enclosure lids, and similar applications where the joint is not load-bearing. The stainless steel rod provides good thread durability and corrosion resistance, but because they are hand-tightened (not torqued with a tool), they are not rated for structural or high-vibration applications without additional locking measures such as thread-locking compound or a locking nut.

The aluminium handle is anodized, which means the colour is part of the surface oxide layer rather than a paint or coating applied on top. Anodizing is more durable than paint for normal handling, but repeated abrasion or contact with harsh chemicals can wear the finish over time. For indoor use in PC builds, enclosures, or lab equipment, the finish should remain intact under normal conditions.

Yes. The threaded rod uses standard M6 × 1.0 mm pitch, which is compatible with any standard M6 threaded hole, heat-set insert, T-nut, or hex nut. This is the most common M6 coarse thread specification used in aluminium extrusion systems (such as 2020 and 3030 profiles), PC case standoffs, and general metric hardware.

Yes, provided you use the appropriate M6 T-nut or drop-in nut for the extrusion slot. Standard 2020 extrusion uses M5 hardware, but 3030 and larger profiles commonly use M6. Verify your extrusion's slot specification before ordering. The D20 handle variant is particularly useful on extrusion frames where you want easy hand-adjustment during iterative builds.

The 1-piece option is ideal for a single replacement or testing a size before committing to a full build. The 5-piece pack offers a better per-unit value and is suited for builds requiring multiple fasteners of the same size — such as all four corner screws on a panel, or a set of access cover fasteners. For a full PC build or enclosure project, the 5-piece pack is typically the more practical choice.