SER 2020K16V Threading Toolholder
Vertical Threading
An "On Edge" three cornered vertical threading system for use in circumstances where other threading systems would foul the component or lathe centre. Toolholders have a helix angle incorporated into the pocket which satisfies the majority of applications.
Threading Toolholders - Dual Top Clamp & Screw-on
Example shows DIR - Internal,
but clamping is identical to DER/L - External.
Standard Helix is 1.5.