I used them to extrude series 10 end taps and literally both broke without completing a hole. Yes I used oil, yes I worked slowly by hand, and yes I removed the shavings between cuts. The metal used is fragile scrap, save your money.
Tool set Ombra OMT94S12, 94 pcs, brown
27 Review
Bit and socket set BOSCH Promoline (2.607.017.322), 26 pcs.
24 Review
𧱠Bosch 2607017164 Piece Setter Masonry: Advanced Tools for Precision Masonry Work
20 Review
Tool set Stels Tool set, 1/2", 1/4", CrV, plastic case 94 pcs, Stels, 94 pcs, black
45 Review