DIY Fasteners Carbon Steel M4 M5 M6 M8 M10 M12 Star Shape Thread Clamping Handle Bolt Bakelite Hand Knob Tightening Screw Indus I.855776854 Six-lobe Head Screws Made of high-quality materials, no burrs on the surface, durable and long service life 2-10pcs Star Hand Knob Screws Bolt M4 M5 M6 M8 M10 Carbon Steel Star Shape Head Thread Clamping Thumb Handle Machine Screw. Star Knob Thumb Screws M4 M5 M6 M8 M10 Carbon Steel 2–10pcs Anti-rust, anti-corrosion, no deformation, no damage, good fastening effect Each knob is precision-machined to fit M5, M6, and M8 threaded shafts, making them compatible with a wide range of standard industrial fasteners. Whether you're... DIY Supplies: MetalworkingDimensions: M2*3Screw Type: Set ScrewsDrive Style: Six-LobeHead Style: RoundMaterial: Carbon SteelNote: the handle diameter of M4 M5 M6 is 25mmThe handle diameter of M8 M10 M12 is 38mmIf you have any questions or concerns about our products, you can contact us by email, we will respond quickly within 24 hours, the first time to solve your problems for you, your feedback is our driving force for improvement Thread Length 16mm Screws Knob M5*0.8 M6*1 M8*1.25 M10*1.5 M12*1.75 Various screw tools with different sizes and lengths, so you can find sizes suitable for DIY projects and woodworking operations