ER11 Collet Set

ER11 Collets are tools for the the Spyder CNC spindle and NANO Swiss Lathe ID tools to secure any tool with shank diameter between 0.0625" (1.59mm) and 5/16” (7.94mm).

• Made from alloy spring steel and hardened to HRC 44-48
• All fractional size is true imperial size, not a metric conversion size
• All collets are checked its runout individually on 4 contact points by a high tolerance bench marked testing rod
• On size 1/8" and larger the runout is .0003"; under size 1/8 the runout is .00059"
• Conform to DIN6499B

If you need a metric set, you can check this set from SHARS out.