... for DIN6499B ER-50 COLLETSpot: Standard PartsMaterial: 60Si2MnSpecifications: 1.0,2.0,3.0,4.0,5.0,6.0,7 ... .0,8.0,9.0,10Hardness: 48-55 HRCAccuracy: within a wire (also available within ... .5183.82.520.5ER161.0-2.0161713.827.56.2642.70.5>2.0-10.01ER201.0-2.5202117.431.56.364.82 ... .80.5>2.5-13.01ER251.0-2.5252622346.6653.10.5>2.5-16.01ER322.0-2.5323329.2407.165.53 ...