Drilling Stainless Steel With Carbide

Drilling stainless steel is not as.

Drilling stainless steel with carbide.

In high speed steel hss drills this heat will cause the tool to lose its hardness. Pro drills all steel con blunt tip requires extreme pressure. We recently tried an inox drill in 304 stainless steel and we are getting close to 400holes but that drill is 30 dollars. 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.

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. For extra long drills reduce speeds and feeds by 30 50 316l ss. I set my drill press to its slowest speed or run my portable drill as slow as the trigger will allow. We usually get 300 400 holes from a cheap 4 dollar cobalt drill.

Here is the right way to drill stainless steel. Choose from our selection of stainless steel cutting drill bits including over 5 800 products in a wide range of styles and sizes. Drilling stainless steel is not as difficult as you may thi. Cobalt hsco is considered an upgrade from hss because it includes 5 8 cobalt blended into the base material.

Carbide carb is the hardest and most brittle of the drill bit materials. In stock and ready to ship. When you machine stainless steel you are generating high temperatures explained scott turner marketing manager holemaking seco tools. It s used mostly for production drilling where a high quality tool holder and equipment is used.

The first peck is the drill diameter plus half then the drill diameter on all subsequent passes. In this video i will show you how to drill stainless steel with regular drill bits and hole saws. This is a great option for drilling into harder steel as well as stainless steel grades. When stainless steel work hardens it becomes very hard and extremely difficult to drill.

With carbide drills always check the manufacturers recomendation on what drilling cycle you should run. In solid carbide drills microcracks can form on the cutting edges which will eventually cause the drill to fail.