Ko-ken Bolt Twister Used for bolt thread M8 Socket size 9.5 3129.60-4 1 piece

Catalogue number: 3129.60-4 Features: ●For removing broken bolts. ●Drill a pilot hole in the damaged bolt and bite into it with the bolt twister to remove it. ●Can be driven with the handles of a general-purpose socket wrench. Applications: ●For removing broken bolts. Specifications: ●Bolt thread used: M8 ●Total length (mm): 60 ●Drill pilot hole size used (mm): 4.5 ●Tip diameter (mm): 4 ●Base diameter (mm): 6 ●Drive socket size (mm): 9.5 ●Spiral type (for right-hand bolt threads only) Material/Finish: ●Chrome molybdenum steel Caution: ●Bite may be poor depending on the material and heat treatment of the bolt in question.