Questions tagged [bit]

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67 views

Choosing the cutting length of a router bit

I'm trying to decide how long the cutting edge on a pattern router bit should be. I'm trimming a 2-by (1-1/2" actual) with a pattern / template on top, and I'm having a hard time finding a 1-1/2&...
1
vote
2answers
149 views

Need help identifying “pre-stripped” Phillips screw

I am trying to remove some screws with some very annoying heads. The screws look like a regular Phillips head but have the center rounded out. This makes a normal Phillps head screwdriver slip as if ...
19
votes
2answers
2k views

What type of tool or bit is a metal shaft with splines?

I inherited a load of tools from my father. Among them was this bit. I have never seen one like it, and don't know its purpose. It has six straight splines set at an angle to the long axis of the bit ...
2
votes
0answers
70 views

Why does a Keyless chuck sometimes stick?

I noticed that Keyless chucks in cheap drills tend to become stuck often, but I've always wonder why does this happen. Is it due to overtightening the chuck? Are low quality drill bits a factor to ...
0
votes
3answers
161 views

What kind of bathroom tile is this, and what kind of drill bit does it require?

I believe ceramic and porcelain tiles are the most common, but this looks like it might be some kind of polished stone. Will a carbide bit work on this tile, or does it require a diamond-tipped bit?