4x12 mm screw BTR head class 8.8 (single)

4x12 mm screws

Ø4x12 mm screw with BTR head new adaptable for motorcycle, scooter, moped, quad 50cc, 125cc and other displacements.
Class 8.8 means that the screw is made of low carbon steel, which is considered the most common form of high tensile materials.
In general, class (or grade) 8.8 screws are treated with zinc and allow controlled tightening using a torque wrench. These screws have a breaking strength of approximately 800N/mm² and a yield strength of 640N/mm².

Technical characteristics and dimensions

• Brand: generic
• Material: steel
• Colour: grey
• Thread diameter: 4 mm
• No threading: 0.70
• Overall length: 16 mm
• Length under head: 12 mm
• Head Outer Diameter: 6.7mm
• Sold individually
• Screws with an Allen key (BTR)
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