M4 M5 M6 M8 M10 M12 Hand Tighten Screw Handle Bolt Thread Star Shaped Clamping Nuts Knob Carbon Steel(16mm,M12 1pc)

Material: Carbon steel + plastic Head shape: black, six petals Thread diameter:M4 / M5 / M6 / M8 / M10 / M12Thread length: 10/12/16/20/25/30/35/40/ 50mm Head diameter:M4(25mm) / M5(25mm) / M6(25mm) / M8(38mm) / M10(38mm) / M12(50mm) Package include:Choose according to your needs!Note:Transition: 1cm=10mm=0.39inch Due to the light and screen difference, the item's color may be slightly different from the pictures.Please allow 0.5-2 mm differences due to manual measurement.

• Easy to Tighten by Hand:The screw with star-shaped nut can be easily tightened by hand, no need for other tools.
• This clamping knob is made of plastic and Stainless Steel, with good toughness and impact resistance, strong and durable.
• Easy to use, just align the manually tightened clamping knob with the hole of the corresponding thread diameter and screw it on, no other tools are needed to tighten it.
• Widely used in related industries such as mechanical equipment, electronic equipment, communication equipment, hardware lighting, building bridges and so on. It can also be installed at the bottom of furniture to enhance stability and prevent scratches and noise.
• Application】Widely used for lathe machine, mechanical equipment, instrument and apparatus, food and pharmaceutical industry equipment. It can be used in drill press, lathes, fixture, feather board and fences, and other places where ,is your daily life to replace the tightening screw.