You can drill stainless but you will need new drill bits, a slow speed and a lubricant, and the problem is that the drill bit will wander and it’s very difficult to drill out completely. Try drilling a small hole, say 5mm diameter x 5 mm deep and then knock the bolt out with a drift.

Can you drill out a metal screw?

Engage the Extractor

Tap the extractor into the screw with a bit more force. Heat from a heat gun may also loosen stuck threads. In metal, apply a penetrating lubricant and let it soak in for 30 minutes. Enlarge the hole with a slightly larger drill bit and try again.

How do you drill out a broken steel screw?

Quote from the video:
Quote from Youtube video: And what I insure the drill is in. Reverse. You can see that out has now started. So I'm going to remove the bolt. And we should have an indentation in the bolt.

What type of drill bit will drill through hardened steel?

cobalt bit

Go to a hardware or home improvement store for a cobalt bit that is designed specifically for drilling through steel. You want a cobalt bit, as it’s a type of high-speed steel (HSS) that has more cobalt in it and is strong enough to cut through hardened steel.

Can you drill out a stainless steel screw?

Here is the right way to drill stainless steel:

You need to exert a lot of pressure on the drill bit—as much as it will bear. Small bits can be a challenge because pressure can cause them to bend and break, but you can put a lot of pressure on any drill bit that’s ¼in or larger.

How do you drill hardened steel?

Quote from the video:
Quote from Youtube video: And we'll line up a blade. And we'll fire up the mill. It's running pretty fast. And line it up on that hole. Hold it loose so that you can sort of get it to fine where it needs to.

How do you drill out a rusty screw in metal?

How to Remove Corroded Metal Screws

  1. Apply a liquid that dissolves corrosion on the screw. …
  2. Hit the head of the screw with a hammer to loosen it. …
  3. Heat the object that the screw is stuck inside with a lighter if the object is made of metal. …
  4. Remove the screw with a screw extractor.

How do you drill out a screw without extractor?

Quote from the video:
Quote from Youtube video: It's not fun but that's where we are I usually take a hardened steel nail. And knock the center so the drill bit will line up right in the middle the smaller the drill bit the smaller the speed.

Do you need special drill bits for metal?

No Fancy Drill Bits for Metal Required

Almost any general-purpose twist bit will do a decent job of drilling holes in metal. In fact, most drill bits for metal are manufactured to drill through a variety of materials, including wood and plastic.

How do you remove a screw with a damaged head?

Quote from the video:
Quote from Youtube video: Press the tip of the burnisher into the center of the stripped out screw head and run the drill. You slow to moderate speed and apply downward pressure this will create a depression in the screw.

What is the best drill bit for stainless steel?


Cobalt (HSCO) is considered an upgrade from HSS because it includes 5-8% Cobalt blended into the base material. This is a great option for drilling into harder steel as well as stainless steel grades. Carbide (Carb) is the hardest and most brittle of the drill bit materials.

Do I need a special drill bit for stainless steel?

You need special bits for stainless steel because those bits are usually made out of durable construction such as high-speed steel, titanium nitride, and cobalt. It will also have to withstand the drilling (the wear) and the extreme heat from drilling whereas regular bits probably won’t be able to handle it.

How do you remove a stainless steel screw?

  1. Insert a 1/8- to 1/4-inch size drill bit into a drill. …
  2. Place the tip of the drill bit into the center top of the exposed screw. …
  3. Insert the screw extractor onto the top of the screw in the hole created by the drill. …
  4. Set aside the screw extractor and grasp the raised tip of the broken screw with the pliers.
  5. How do you drill through a steel bolt?

    Quote from the video:
    Quote from Youtube video: Position if the mark is off angle the punch to push the center mark. Over. Now using a center drill a smaller drill bit can also be used but there may be too much flex.

    How do you drill stainless steel?

    Quote from the video:
    Quote from Youtube video: But I'm going to apply firm pressure to the drill. But I'm not going to allow the drill to go too fast because then it will burn. And it will also work hard in the stainless.

    How do you remove a galled stainless steel bolt?

    1. Heat the bolt for approximately one minute.
    2. Immediately after heating, apply PB Blaster Penetrating Oil to the nut and bolt.
    3. While the nut and bolt are still hot, use a wrench to begin to unscrew the bolt. …
    4. Once the nut and bolt stop unscrewing again, reheat them for about 45 seconds.
    5. What is a galled bolt?

      What is Galling and what causes it to happen? Galling is one the most common problems when tightening fasteners. Also known as cold welding, galling results in damaged threads, broken fasteners, weakened joints and seized bolts. Essentially, to define galling – it’s a form of severe adhesive wear.

      Can I use copper anti seize on stainless steel?

      Copper base anti-seize offers good corrosion protection on all kinds of steel, but not stainless steel. Copper on stainless steel creates an inter-crystaline corrosion, which can make actual stainless steel parts crack and break.

      How do you remove a seized steel bolt from aluminum?

      Quote from the video:
      Quote from Youtube video: And hit around this area with the flat of an air hammer to try and break some of that free a little bit. Okay so I wrapped it a couple times with a your hammer.

      How do you remove a broken hardened steel bolt?

      Quote from the video:
      Quote from Youtube video: If you do need to drill out a hardened bolt you're going to need some special drill bits you can't do it with a normal high speed drill you'll just burn the drill bit holes.

      Can you heat aluminum to remove bolt?

      To break this bond, you need to expand the aluminum with heat. Since aluminum is an excellent heat sink, you need a lot of heat to free the corroded bolt.