Finish: Dry Galvanised. The Through Bolt Is A Torque Controlled Anchor Where The Hole Size Is The Same As The Bolt. The Perfect Fixing For Easy Installation And Is Highly Versatile. Strike Cap To Prevent Thread Damage. Comes With An A2 Stainless Steel Clip. Anchor Body Grade 5.8 Hex Nut Grade 8. The Perfect Anchor For Use In Concrete Or Solid Stone.PTDFORDIRMAMTB875G