Drilling Stainless Steel With Carbide

This is a great option for drilling into harder steel as well as stainless steel grades.

Drilling stainless steel with carbide.

Here is the right way to drill stainless steel. Carbide carb is the hardest and most brittle of the drill bit materials. In high speed steel hss drills this heat will cause the tool to lose its hardness. Traditionally high speed steel hss tools have been used for drilling and reaming but carbide tipped tools are also used for specialised jobs or long production runs.

With carbide drills always check the manufacturers recomendation on what drilling cycle you should run. In this video i will show you how to drill stainless steel with regular drill bits and hole saws. I set my drill press to its slowest speed or run my portable drill as slow as the trigger will allow. The first peck is the drill diameter plus half then the drill diameter on all subsequent passes.

Drilling stainless steel is not as difficult as you may thi. Wkstool φ4mm micro solid carbide drill bits straight shank tialn coated metric for stainless steel alloy and hard steel ø4mm 25mm flute length 50mm full length for steel 4 4 out of 5 stars 22 12 00 12. When you machine stainless steel you are generating high temperatures explained scott turner marketing manager holemaking seco tools. Drilling stainless steel is not as.

In stock and ready to ship. Pro drills all steel con blunt tip requires extreme pressure. For extra long drills reduce speeds and feeds by 30 50 316l ss. Start with a sharp drill and have it turning as slowly as your drill or drill press will allow.

When stainless steel work hardens it becomes very hard and extremely difficult to drill. We usually get 300 400 holes from a cheap 4 dollar cobalt drill. We recently tried an inox drill in 304 stainless steel and we are getting close to 400holes but that drill is 30 dollars. In solid carbide drills microcracks can form on the cutting edges which will eventually cause the drill to fail.

Cobalt hsco is considered an upgrade from hss because it includes 5 8 cobalt blended into the base material. It s used mostly for production drilling where a high quality tool holder and equipment is used.