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When you need a fastener you can tighten and release repeatedly without reaching for a screwdriver, standard hex bolts slow you down. These thumb screws with a six-petal flower plastic head are designed for DIY builders, makers, and small workshop operators who need quick, hand-operated clamping and panel fastening in enclosures, jigs, fixtures, and equipment covers.
Each screw features a 32mm (#32) diameter six-petal flower plastic head paired with a carbon steel threaded shank. Thread diameters span M5, M6, and M8, with thread lengths ranging from 8mm to 60mm (approximately 5/16 in to 2-3/8 in), giving you coverage across a wide range of material thicknesses. Packing quantities run from 2 to 50 pieces per order to match both one-off repairs and bulk workshop stocking.
Typical use cases include securing access panels on electronic enclosures where tool-free removal is required, fastening jig components on woodworking or metalworking benches, and assembling DIY 3D printer frames or CNC router guards where frequent adjustment is part of the workflow.
| Head Style | Six-Petal Flower (Knob) |
|---|---|
| Head Diameter | 32mm (#32) / approx. 1-1/4 in |
| Head Material | Plastic |
| Thread Material | Carbon Steel |
| Thread Sizes | M5, M6, M8 |
| Thread Length Range | 8mm – 60mm (approx. 5/16 in – 2-3/8 in) |
| Thread Pitch | See variant options |
| Surface Finish | See variant options |
| Drive Style | Hand (no tool required) |
| Packing Quantity | 2 / 4 / 5 / 10 / 20 / 50 pieces |
| Condition | New |
Match the thread size to the tapped hole or threaded insert in your application. M5 (5mm shank diameter) is common in lighter panels and electronics enclosures. M6 (6mm) is the most widely used metric size in general workshop fixtures. M8 (8mm) suits heavier structural connections. If you are unsure, measure the inner diameter of your existing hole or check the specification of your threaded insert.
Choose a thread length at least 1.5× the thread diameter for a secure engagement — for example, at least 9mm for M6. For panels you need to remove frequently, a shorter length (8–16mm) keeps the screw compact. For structural or load-bearing applications, select a longer length (25mm+) to maximize thread engagement.
These screws are designed for hand-tightening only. The plastic head is not intended for use with a wrench or driver. For applications requiring a defined clamping torque, a standard hex bolt with a torque wrench is more appropriate. These are best suited for access panels, covers, and jigs where finger-tight is sufficient.
Carbon steel has moderate corrosion resistance and is suitable for dry indoor environments. For outdoor use, humid workshops, or applications exposed to moisture or chemicals, consider applying a light coating of anti-corrosion grease to the threads, or contact us to confirm whether a coated variant is available for your size.
The six-petal flower head is molded from a rigid plastic designed for repeated hand-tightening cycles under normal loads. Avoid using tools on the head, as this can crack the plastic. Under typical hand-tightening forces, the head is durable for long-term use in jigs, enclosures, and equipment covers.
Pack sizes of 2 and 4 pieces suit single-project repairs or prototyping. Packs of 5 or 10 are practical for small builds with multiple access points. Packs of 20 or 50 are cost-effective for workshop stocking or production runs where you need consistent fasteners across multiple assemblies.
Yes. The M5, M6, and M8 threads are cut to standard metric coarse pitch tolerances and are compatible with standard metric hex nuts, wing nuts, threaded inserts, and tapped holes of the corresponding size. Always verify the pitch of your existing hardware if you are working with fine-pitch threads.
