HUSABEJAIN 8 Pcs M8 x 40 Star Handle Knob Grip Thumb Screw Head Knobs Nut Screws Metric Male Thread Knurled Clamping for Bracket

PACKAGE INCLUDES: Come with 8 pieces M8 x 40mm grip thumb screw head knobs nut screws. Enough quantity for your daily use and replacement. MATERIAL: This star handle knob is crafted from durable 304 stainless steel and plastic, good for extended longevity. The nut surface is galvanized, which is not only resistant to wear, corrosion, and high temperatures but also not easy to rust. FUNCTION FEATURES: Grip thumb screw on type hand have 40 mm thread length, perfect for flexible adjustments. The screws are neat and clear, the force is even, and it is not easy to slip. EASY TO USE: The clamping screw knob bolt head diameter is 38mm. Easy to tighten without the use of auxiliary tools. Designed for comfortable handling and smooth turning. WIDELY USED: These M8 x 40mm clamping knob are applicable for most universal machine tools. Such as bracket, instruments, appliances, food and industrial equipment.