HY-PRO® SHRINK High Precision Shrink Fit Tooling Straight Slim Type Shrink Extensions For Standard Milling/End Mill Chucks Inch Sizes EDP No. Description L L1 L2 L3 L4 D C C1 C2 H Insertion Limit 9910120 ST9.525-SLS1/8-80 3.15 1.75 1.4 – – 0.125 0.24 – 0.375 0.39 2.72 9910123 ST9.525-SLS3/16-80 3.15 1.75 1.4 – – 0.1875 0.306 – 0.375 0.59 2.71 9910137 ST12.7-SLS1/4-80 3.15 1.75 1.4 – – 0.25 0.368 – 0.5 0.71 2.72 9910121 ST15.875-SLS1/8-110 4.33 2.19 2.14 1.63 0.374 0.125 0.24 0.41 0.625 0.39 3.66 9910124 ST15.875-SLS3/16-110 4.33 2.19 2.14 1.63 0.374 0.1875 0.306 0.48 0.625 0.59 3.66 9910122 ST19.05-SLS1/8-205 8.07 3.61 4.46 3.95 0.374 0.125 0.24 0.66 0.75 0.39 7.4 9910125 ST19.05-SLS3/16-205 8.07 3.61 4.46 – – 0.1875 0.306 – 0.75 0.59 7.4 9910138 ST19.05-SLS1/4-110 4.33 2.95 1.38 0.87 0.374 0.25 0.368 0.46 0.75 0.71 3.66 9910143 ST19.05-SLS5/16-110 4.33 2.95 1.38 0.87 0.374 0.3125 0.43 0.52 0.75 0.98 3.66 9910148 ST19.05-SLS3/8-110 4.33 2.95 1.38 0.87 0.374 0.375 0.49 0.58 0.75 1.18 2.36 9910140 ST25.4-SLS 1/4-228 9.0 4.7 4.33 3.82 0.51 0.25 0.37 1.0 1.0 0.71 8.34 9910145 ST25.4-SLS 5/16-228 9.0 4.7 4.33 3.82 0.51 0.3125 0.43 1.0 1.0 0.98 8.34 9910150 ST25.4-SLS3/8-155 6.1 3.6 2.5 1.99 0.374 0.375 0.49 0.7 1.0 1.18 2.36 9910152 ST25.4-SLS 3/8-228 9.0 4.7 4.33 3.82 0.51 0.375 0.49 1.0 1.0 1.18 2.36 9910157 ST25.4-SLS1/2-155 6.1 4.1 2.0 1.49 0.374 0.5 0.62 0.77 1.0 1.18 2.36 9910159 ST25.4-SLS 1/2-228 9.0 4.7 4.33 3.82 0.51 0.5 0.62 1.0 1.0 1.18 2.36 This slim collet successfully avoids interference with the work material. The tool should be inserted deeper than the safety mark. Do not exceed the insertion limit. 1334 HY-PRO® SHRINK WWW.OSGTOOL.COM