'hand operated' cotter pin wanted

[cl]

I'm after a cotter pin that I can insert and remove easily by hand. At least I think I want a cotter pin if it's one of those pins with a shoulder at one end and a hole for a split-pin retainer at the other end.

These will be 6mm diameter, 2.5/3cm long.

I guess a basic solution would be a standard cotter pin with an R-clip in the hole to retain it but I'd like a more user friendly version if I can find one.

I seem to remember seeing somewhere pins that have a section at the end that folds in flush with the pin for inserting and then flips out to retain the pin. This would be ideal if I can find a name for such as there isn't an R-clip to lose (or get stuck).

[newshound]

I think of a cotter pin as having a tapered face which needs to be pulled up tight by a nut, as in the (very ancient) bicycle crank connection.

For "flip connectors" perhaps you need something like these?

[The Nomad]

I believe you mean a clevis pin?

Avpx

[Baz]

Clevis Pin Chris.

Baz

[The Nomad]

& the securing pin you are thinking of is a linch/lynch pin!

Avpx

[Baz]

Defo One of these.

Baz

[newshound]

An excellent use of Google Images!

[cl]

Ah, yes, Clevis Pin.

Those ones in that link are rather expensive though!

[cl]

Er, that link results in as much confusion as we started with! :-)

[Brian Gaff]

What are those things called that are a pin, but hollow with a small ball that sticks out the side that pops back up when the pin reaches the other side, then you push in a pin and it wedges the ball. I've seen them on some camping stuff, and they were useful for not losing things. Brian

[Baz]

A Picture Paints A Thousand Words............................ And now you have a choice. And maybe see something you hadn't thought about. Baz

[Baz]

That what in you need in that case Chris is...................

Baz

[Baz]

Well. Thank You.

[cl]

What I meant was that lots of those pictures show things other than clevis pins.

[harryagain]

You can get a thing called a pip pin does this.

The ball bearings in the end pop back inside the shaft when the rod in the end is pressed in.

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[Mr Fuxit]

It's only a clevis pin when it goes through a clevis.

[newshound]

That's exactly the point. It's easy to skip through the pictures but they show all sorts of different ways of achieving similar tasks.

[MattyF]

I made my own linch pins because the bought ones were stupid, and fell out when flipped the wrong side: