1 Level
1296 Review
71 Karma
Review on π₯ Enhanced Cutting Efficiency: Annular JESTUOUS Two Flat Magnetic Cutting Tools for Industrial Drill Bits by Justin Herman
12 good holes then break
Drilling 11/16" diameter holes in 1" thick A36 hot rolled flat bar using water soluble oil and light hand pressure. There was a catastrophic failure on the 13th hole.
Pros
- Made of durable high speed steel with longer life and high temperature resistance.
Cons
- Very Expensive
