M16x55mm Hex Flange Bolts, 2pcs 10.9 Grade Carbon Steel Hexagon Head Screws 7.5mm(ID)x8.5mm(OD)x300mm(L) The transmission is accurate and

The transmission is accurate and stable with high efficiency

Mirror Size: 19x14cm / 7

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Outer Diameter (D): 105 mm

Hole: Size: 4mm / 0

M16x55mm Hex Flange Bolts, 2pcs 10.9 Grade Carbon Steel Hexagon Head Screws 7.5mm(ID)x8.5mm(OD)x300mm(L) The transmission is accurate andDescription: 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 flange under the head of the flange