ER40 Collet 5/16" (.312-.297) Mechanical Coolant Seal
ER40 Collet 5/32" (.156-.125)
ER40 Collet 5/8" (.625-.594)
ER40 Collet 5/8" (.625-.609) Mechanical Coolant Seal
ER40 Collet 6.0mm (.236-.196)
ER40 Collet 6.5mm (.255-.236)