Camburg 2.50 Rear RHT 4130HT Snout (3.50 x .250)These 2. 50 spindle snouts are CNC machined in house from aircraft quality 4130 chromoly. Starting with a billet 4130 bar we machine them to rough dimensions of the final part. We then have them heat treated for increased strength and surface hardness and stress relieved by a leading aerospace facility. After heat treatment we then machine and thread the critical dimensions and bearing surfaces to 0. 001" tolerances. These are also what we use in our