Hole Diameter(Outer Diameter): 50mm/1
strong and wear-resisting
Superior Quality: Those Slot Screwdriver Bits are made of S2 alloy steel
Mounting Hole Distance: 44mm / 1
Thread Size: 8mmx100mm / 5/16"x4"
M14-2x50mm Hex Serrated Flange Bolts 10.9 Grade Carbon Steel Screws 2pcs 15 X 15 X 1 X 200mm Hole Diameter(Outer Diameter): 50mm/1Description: 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