Package Content: 20pcs x Knurled Hex Socket Head Bolt
Head Type:Hex Socket Button Head
Lock Size: 40 x 40 x 30mm / 1
Prevent dirt and moisture entering into offering a neat finish to tube ends
They are used in almost all sectors of industry
Cylinder Grinding Wheels Aluminum Oxide Grits Surface Grinding Ceramic Tools 8mmx2000mm Package Content: 20pcs x KnurledDescription: High hardness, sharp edges and corners, good cutting performance and low grinding heat. Widely used for grinding and forming of cutting tools, , gears, threads, thin walledrts, etc. Suitable for grinding of grinding drill bits, stainless steel, high speed steel, hardened steel, high carbon steel and so on. Instructions for use Please use at the specified maximum speed. Please install the qualified protective cover before starting the