NOT DURABLE Suitable for power tool parts and accessories
I Cast iron drilled, not suitable for cast iron The damaged drill bit was only on one hole but on the good side I drilled a hole.
Pros
Set of 5 bits includes commonly used specifications for everyday use: 6mm (1/4"), 6mm (1/4"), 8mm (5/16") ), 10mm (3/8"). )."), 12mm (1/2"). Applicable equipment: hand drill, electric drill, bench drill.