The positioning bit in the center helps for cutting accurate holes
-Easy to use: To use this machine screw
office and classroom file cabinets
can ensure long time using
Size: 10x7x1
M10-1.5x40mm Hex Serrated Flange Bolts 10.9 Grade Carbon Steel Screws 5pcs 16x20x20mm The positioning bit in theDescription: 1. Material: Made of 10. 9 grade carbon steel, black oxide coating finish, high strength, wear resistant, anti corrosion. 2. Application: It is widely used in the assembly and maintenance of households, machine tools, construction, and DIY project. Such as the assembly and fixing of guardrails, home appliances, pipeline installations, equipment, steel framed houses, etc. 3. Design: There is a circular serrated flange under the head of the