I tried using them to make cut outs in a 1/16" 6061 plate. They cut for about 30 seconds before breaking. from Lakeshore Carbide and had no problems. Of course, this attachment costs the same as 5 of these, but if they don't work, it doesn't matter how cheap they are. OK, but not for metal.
π² Precision Square Straight Cutter in Imperial Metric
9 Review
Electric lawn mower Makita ELM3720, 1400 W, 37 cm
54 Review
πͺ Mcwdoit Titanium Cutting Engraving
8 Review
SpeTool 5Pcs/Set Flat Nose Double Flute Carbide End Mill 1/32" Cutting Dia Router Bits Cutter CNC Machine Tools For Carbon Steel Soft Alloy Steel Die Steel Tool Steel Cast Iron Wood
11 Review