Drilling Stainless Steel With Carbide

Carbide carb is the hardest and most brittle of the drill bit materials.

Drilling stainless steel with carbide.

In stock and ready to ship. Choose from our selection of stainless steel cutting drill bits including over 5 800 products in a wide range of styles and sizes. 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. 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. The first peck is the drill diameter plus half then the drill diameter on all subsequent passes. Pro drills all steel con blunt tip requires extreme pressure. Drill mild steel some spring steel some tool steel no drill hard plate anti drill plate 440c stainless steel pro good for hand drills and most drilling applications con has limits with hardened steel carbide tipped will drill almost any steel hard stainless or mild.

In this video i will show you how to drill stainless steel with regular drill bits and hole saws. Drilling stainless steel is not as difficult as you may thi. It s used mostly for production drilling where a high quality tool holder and equipment is used. Drilling stainless steel is not as.

We recently tried an inox drill in 304 stainless steel and we are getting close to 400holes but that drill is 30 dollars. For extra long drills reduce speeds and feeds by 30 50 316l ss. Here is the right way to drill stainless steel. With carbide drills always check the manufacturers recomendation on what drilling cycle you should run.

I set my drill press to its slowest speed or run my portable drill as slow as the trigger will allow. Cobalt hsco is considered an upgrade from hss because it includes 5 8 cobalt blended into the base material. When you machine stainless steel you are generating high temperatures explained scott turner marketing manager holemaking seco tools. We usually get 300 400 holes from a cheap 4 dollar cobalt drill.

This article gives suggested feeds and speeds for drilling and reaming taken from the bssa stainless steel specialist course training note no9 machining stainless steels. This is a great option for drilling into harder steel as well as stainless steel grades.