M20 x 70mm Hex Bolt (Part Threaded Bolt) BZP, DIN 931 Grade 8.8

M20 Hex Bolt

M20 hex bolt designed for heavy-duty fastening with a hexagon head that allows higher torque to be applied with a range of conventional tools making them a versatile choice.

Manufactured in steel with a bright zinc plating (BZP), the unthreaded shank below the hex head adds overall strength making this hex head bolt more resistant to vibration and shear forces when installed into the correctly drilled hole.

Engineered for durability, strength, and ease of use, these BZP bolts are widely used across many industries by DIY enthusiasts and professional alike.

M20 hex bolt specification

• Thread diameter (TD): M20 - 20mm
  
• Length (L): 70mm
  
• Thread length (TL): 46mm
  
• Head width (HW): 30mm max (socket size)
• Head height (HH): 12.85mm max
• Thread pitch: 2.5mm
  
• Material: Bright zinc plated steel, grade 8.8

Need a FULLY THREADED bolt?

If you need a fully threaded BZP bolt, then take a look at our M20 x 70mm hex set screw which has a fully threaded shank allowing installation without the worry of running out of thread.

Need a bolt with increased corrosion resistance?

If you need a hex bolt with increased corrosion resistance, then take a look at our M20 x 70mm stainless steel hex bolt manufactured in A2 stainless steel, ideal for both internal and external applications.