DIY Indexable 12mm Boring Bar @HM-Projects

DIY Indexable 12mm Boring Bar @HM-Projects

Uploaded December 2022 | Updated September 2026, 1 hour ago

Decided to make a 12mm indexable boring bar for my import boring head that I purchased a very long time ago and has been sitting unused.

DIY Indexable 12mm Boring Bar

Solid Tool Post Mount

High speed threading with origin return and limits

Parting with Power Feed

Parting test at 2000RPM

Lathe Spider / Clamp Nut - Part 1

Sieg SX3 detachable spindle lock

ELS v2 Electronic Leadscrew - Turning stock to 12mm OD

Automated Left Hand Threading with ELS

A Rigid Cut Knurling Tool

Spring Style HSS Parting Tool Holder

Milling a PCB with 0.2mm traces

HM |

DIY Indexable 12mm Boring Bar