IP 55 Enclosure from screwfix! code 33991

[uksparks]

Ferg, honestly HHD speaks the truth on this I can vouch for the issue.

 

[uksparks]

They are good boxes do it may be worth sourcing good quality screws that will fit.

 

[ferg]

Sorry Ferg, when I say knockouts I mean ones you can just give a 'knock' and out they come, BG do these I think. The BG ones (as in the link) you have to drill.

Fair point I didn't look properly.

I thought they were like the MK weather.... kit.
I'm sure BG do them to where they are more Push outs than knock outs.

Basically an insert with an O ring.

Going back to my previous post, if you are going to go to the effort of using a 20mm holesaw anyway you may as well buy decent and cheap adaptable boxes from your local wholesaler.

 

[telectrix]

i never use a\ holesaw on plastic. takes ages to get the partly melted crud out of the holesaw. use cone cutters every time.

 

[ferg]

I always use a holesaw on plastic and always take ages to get the partly melted crud out of the holesaw

Thanks for the tip Tel

 

[shanky887614]

i never use a\ holesaw on plastic. takes ages to get the partly melted crud out of the holesaw. use cone cutters every time.

I got a similar set to this for around the same price

 

[shanky887614]

I got a similar set to this for around the same price

bassically a 32mm 22mm and a 12mm

 

[Corbs]

+1 but you cant use them with plastic back-boxes ends up looking like Swiss cheese lol

 

[shanky887614]

+1 but you cant use them with plastic back-boxes ends up looking like Swiss cheese lol

? use a knife to get rid of the swarf.

pilot drill it first though

 

[edexlab]

? use a knife to get rid of the swarf.

pilot drill it first though

Or a hand deburrer for sheet metal you can pick up cheap ones for a quid or 2 or spend a tenner and have one which will last, "Swiss" are pretty good

 

[shanky887614]

Or a hand deburrer for sheet metal you can pick up cheap ones for a quid or 2 or spend a tenner and have one which will last, "Swiss" are pretty good

half round file every time for me.

i use mine on everything, unistrut,conduit (hiding scuff marks),tray,trunking,basket etc

 

[Corbs]

? use a knife to get rid of the swarf.

pilot drill it first though

lol when i tried it the box ended up in 4 pieces lol

 

[edexlab]

I used it previously in engineering job so took it along in industrial jobs I mostly use it when I use holesaws , which to be honest is usually on plastic as I'll use punches for any glands I put in a metal enclosure as the hole is always perfect with virtually no burrs

 

[shanky887614]

lol when i tried it the box ended up in 4 pieces lol

lol what were you doing lol?

be gentle and you wont smash it, drill at a low speed and light pressure

 

[edexlab]

Have to say I've never seen anyone use a drill bit intended for wood on a plastic box

 

[shanky887614]

I used it previously in engineering job so took it along in industrial jobs I mostly use it when I use holesaws , which to be honest is usually on plastic as I'll use punches for any glands I put in a metal enclosure as the hole is always perfect with virtually no burrs

what punches are you talking about? do they work in stainless?

 

[edexlab]

"Q max sheet metal punches" is one make can't put up a link or pic sorry but they're on ebay 20mm approx £6
I've got a set 20-22.5-25-30-40-50 mm
I think you could use them on stainless but only thin gauge like on a db otherwise you'd ruin the cutting edges

 

[Corbs]

lol what were you doing lol?

be gentle and you wont smash it, drill at a low speed and light pressure

think my cone cutter is a bit nasty eats through anything lol might have to get a cheap on for plastics will get a pic for you

 

[shanky887614]

think my cone cutter is a bit nasty eats through anything lol might have to get a cheap on for plastics

on the brittle boxes ill always use a clean holesaw, there too easy to shatter otherwise

 

[edexlab]

If you've not seen them before you drill a pilot hole then run a 10mm/13mm drill ,the punches are in two halves, separate them one end has a screw which goes thru the hole screw on the other side and tighten with a hex key/ratchet with hex socket, until it cuts thru and drops out
Its a bit slower but you get a perfect hole and they last for years!
Ps don't forget to remove the slug as my old apprentice did, he complained it was jammed .......never removed the slugs 5 of them
I just said "where did you think the metal from the holes had gone to?"