What do you call it ?

[Grahame Collins]

What do you call them and where do I buy some in small quantities - No I don't want a thousand , just 2.

They are for a repair I 'm doing for someone. It is a badge fixed to the cast machine metal held by tiny two rivets or pins.

Mt understanding is that a hole is drilled and they tap in with a small hammer securing the badge or plaque.

Its a half hemishere head (say 2mm diameter) and a spiral grooved shank -1mm diam - maybe 4 or 5 mm long.

The fasteners guy has not got a clue and had not been able to find what er callits or thingies on his computer.

Any clues?

Grahame

[kwijibo99]

G'day Grahame,
Hammer drive pins or screws.
These blokes list them:

https://www.bolt.com.au/stainless-steel-fasteners-hammer-drive-screws-c-1010_1588_1643.html

You could also try model engineering suppliers.
In a pinch you could probably notch a plain rivet and hammer that in.
Cheers,
Greg.

[pipeclay]

Also U drive.

[neksmerj]

Also known as spiral rivets

Dr Google will show pics.

Ken

[Grahame Collins]

Thanks fellas,

I did Google it but did not have the correct term.

Grahame

[Michael G]

PM me with sizes if you just want two. I have spares of some sizes I think.

Michael

[Sterob]

I think 'Drive Screw' is another term used for them. A bit late, but never mind....

[Ironwood]

Grahame, I have a couple of bags of them in different sizes. I will give you what you need if you want to pick them up.

[jchappo]

Escutcheon pin?