Toolholder Identification System THREADING 1. Clamping System 5. Tool Length 6. Insert Size S — Screw Clamping mm l (mm) d D — 60 06 5/32" F — 80 08 3/16" H — 100 08U 3/16" K — 125 11 1/4" L — 140 16 3/8" l M — 150 22 1/2" P — 170 22U 1/2" R — 200 27 5/8" 2. Application S — 250 27U 5/8" T — 300 E — External U — 350 I — Internal V — 400 l d S E R 2020 K 16 ¨ 1 2 3 4 5 6 7 7. Optional 3. Hand of Tool Specifications R — Right-hand External Toolholders U - For U-type inserts L — Left-hand Shank: hxb B - Bore for coolant 2020 - 20x20 mm C - Carbide shank O - Offset style D - Drop head Internal Toolholders Shank: diameter d G - Gang tool SP - Special 0025 - Diameter 25mm SER * Optional Prefix SEL C HSK Exchangeable Adaptation System ] KM 526 526 ISCAR ISCAR