What's the proper name for hex bits that have a "captive" end rather than needing to be used in a bit holder? Searching for "long" turns-up ones that are the right sort of thing, e.g.
but are /too/ long, I just want the 2" variety.
Screwfix do 50mm Dewalt Pozi no 2 bits at ?5.94 for 15
They probably do others as well
Otherwise when sold as part of sets they seem to be called medium
michael adams
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What do you mean by captive end? Those ones look standard to me. The waisted section is used to avoid snappage, nothing else. AFAIK all hex bits need a holder.
NT
Can't say I've ever seen what you want - but I'd guess it would say female somewhere.
Can't you just use a back to back female to drive a normal bit from a male end?
On my impact driver you pull the nose forward, to insert the bit and there's a ball-bearing that locks into the "waist"
I'd say the short bits
do need a holder (or at a push can be used in a chuck), but the longer ones don't, in tools with a quick-release, that might be the search term, or just 50mm
Searching for 50mm Torx T30, found what I wanted
Still curious if there's a better name for that style?
screws are long and space is tight, I could easily use a short bit in a ratchet handle, but my impact driver is stubby enough to fit *if* I had a torx bit that didn't require the extra length of a bit holder ...
I think you're confusing yourself. Those are just long reach bits designed to go in an ordinary holder. That you can grab them in a chuck on their own isn't their reason for existing.
However, consider one of these - hex to 1/4" drive to use with a ratchet:
I cant see how you'd use that without a bit holder. You'd need incredibly good grip!
NT
I don't think so
I don't want to grab them in a chuck, I want the type with the waist as that makes them lock into a drill driver.
Still curious if there's a better name for that style?/q
I know exactly what you mean but best I can goggle is:-
'retaining ring' ?
Jim K
Those will fit straight into an impact driver without a hold & cant fall out.
A drill driver has a chuck. Do you mean an impact driver?
Yes I did, as per earlier message.
Won't an ordinary short bit sit in the driver's holder happily? I'm sure mine has enough friction to stop them falling out everywhere (he said not wanting to go and trip about in the dark finding the thing to try and prove it!)
Not very happily, too short really, barely the tip protrudes, and very willing to fall out at the wrong moment.
Trend Snappy
Yay! at least one manufacturer who has a consistently named range that fits the bill, also "hex power bit" seems to be the closest to a generic name for that type of fitting, which was all I was asking really ...
The wasted section allows an impact driver style hex collet to lock the bit in place. You will note the bit holders also have the same profile for the same reason.
The Wiha bit holder I use has a sliding collar that clicks up and down about 1mm. In one position the bit is held in place only by the magnet, but in the other it is locked into position and can't be pulled from the holder. (the collar also rotates allowing you to hold it while driving screws if you need extra support / stability)
Yes the Wera one is similar.
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