Threading Technology – Clamping Technology 520

625 Soft- synchro Speed- synchro KSN MQL SFM HF EM Accessories Tech. Info Product Finder Clamping Depths E Collet type ER-GB ø D 2 K 2 Collets ER 8 ER 11 GB Clamping Nuts Hi-Q/ERM 8 Hi-Q/ERM 11 Hi-Q/ER 11 Hi-Q/ERMC 11 Hi-Q/ERC 11 ASME inch Clamping Depths E inch Clamping Depths E inch ø D 2 K 2 min. max. 0.141 0.110 No.0 - No.6 0.59 0.75 0.78 0.74 0.90 0.168 0.131 No.8 0.59 0.75 Collets ER 20 GB ER 32 GB ER 40 GB ER 50 GB Clamping Nuts Hi-Q/ERMC 20 Hi-Q/ERC 20 Hi-Q/ERC 32 Hi-Q/ERC 40 Hi-Q/ERBC 50 AF ASME inch Clamping Depths E inch ø D 2 K 2 0.168 0.131 No.8 1.16 0.194 0.152 No.10 1.16 0.220 0.165 No.12 1.19 0.255 0.191 1 / 4 1.22 1.22 1.22 0.318 0.238 5 / 16 1.45 1.45 1.45 0.323 0.242 7 / 16 1.48 1.48 1.48 0.367 0.275 1 / 2 1.51 1.51 1.51 0.381 0.286 3 / 8 1.51 1.51 1.51 0.429 0.322 9 / 16 1.68 1.68 0.4375 0.328 1 / 8 NPT 1.56 1.56 0.480 0.360 5 / 8 1.74 1.74 0.542 0.406 11 / 16 1.81 1.81 0.5625 0.421 1 / 4 NPT 1.62 1.62 0.590 0.442 3 / 4 1.87 1.87 0.697 0.523 7 / 8 1.93 0.800 0.600 1 2.11 2.73 0.896 0.672 1 1 / 8 2.80 1.021 0.766 1 1 / 4 2.92 1.108 0.831 1 3 / 8 2.98 1.233 0.925 1 1 / 2 3.05 Inch