Ko-ken Bolt Twister Used for bolt screw M33 Socket size 12.7 4129.37-16 1 piece

Catalog number: 4129.37-16 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: M33 ●Total length (mm): 37 ●Drill pilot hole size used (mm): 16.5 ●Tip diameter (mm): 16 ●Base diameter (mm): 18 ●Drive socket size (mm): 12.7 ●Spiral type (for right-hand bolt threads only) Material/Finish: ●Chrome molybdenum steel Caution: ●Depending on the material and heat treatment of the bolt in question, there may be cases where the bite is poor.