2x TIMCO Step Drill SD412

Amazon

For drilling, enlarging and de-burring holes in thin sheet metal up to a thickness of 4mm. High quality M2 grade HSS Steel 3 flat shank to prevent slipping in the chuck Titanium Nitride (TiN) coating to reduce friction and prolong life Drilling diameter clearly marked on steps of drill for easy identification, Weight: 0.1322773572 pounds, Manufacturer: TIMCO

Zoro Tools

Ideal for drilling, enlarging or de-burring a precise hole into thin materials such as alloy and non-alloy metals up to a thickness of 4mm. Please Note : Due to geographical locations we are unable to deliver to Highlands

ManoMano

Ideal for drilling, enlarging or de-burring a precise hole into thin materials such as alloy and non-alloy metals up to a thickness of 4mm.