Bulkhead does not fit

[treesprite]

I bought a couple of bulkheads tonight at Aquarium One, went to try one out in the hole that was already in the tank (am going to drill a second one), and the bulkhead is a couple hairs too big. Then I compared the hole to the drill bit I got from BRK and the bit is also a couple hairs too big to fit in the hole.

 

So, I'm assuming the bulkheads are heavy duty and my bit is heavy duty, but that the pre-existing hole was drilled with a non-heavy duty bit. I don't know if Aquarium One will take back one of the bulkheads or not, nor where I can get a non-heavy duty bulkhead near my location if they will take one back.

 

How hard would it be to make the pre-exising hole a couple hairs bigger if I can't easily return this bulkhead and get a non-heavy duty one?

[Chad]

I have used course garnet sanding bits on a dremel to sand glass to a larger hole. This works, but go REALLY slowly, lubricate with water it if possible, and wear safetly goggles.

[johnnybv]

I bought a couple of bulkheads tonight at Aquarium One, went to try one out in the hole that was already in the tank (am going to drill a second one), and the bulkhead is a couple hairs too big. Then I compared the hole to the drill bit I got from BRK and the bit is also a couple hairs too big to fit in the hole.

 

So, I'm assuming the bulkheads are heavy duty and my bit is heavy duty, but that the pre-existing hole was drilled with a non-heavy duty bit. I don't know if Aquarium One will take back one of the bulkheads or not, nor where I can get a non-heavy duty bulkhead near my location if they will take one back.

 

How hard would it be to make the pre-exising hole a couple hairs bigger if I can't easily return this bulkhead and get a non-heavy duty one?

Forest, the bit you got from us is a regular 1 1/2 bulkhead bit, UNLESS it says HD on our bar code sticker, but I am 99% sure I brought you one that was made for regular bulkheads. I only sell the HD ones to people that buy my heavy duty bulkheads because I know they fit. I would get a regular 1 1/2 bulkhead made by lifegaurd and I bet that would fit your hole.

John

[treesprite]

Forest, the bit you got from us is a regular 1 1/2 bulkhead bit, UNLESS it says HD on our bar code sticker, but I am 99% sure I brought you one that was made for regular bulkheads. I only sell the HD ones to people that buy my heavy duty bulkheads because I know they fit. I would get a regular 1 1/2 bulkhead made by lifegaurd and I bet that would fit your hole.

John

 

The circumference of the drill bit perfectly matches the circumference of the bulkheads that I got. The bulkheads don't have anything on them to indicate that they a heavy duty, they just seem like they are to me compared to the 1" ones I have - they have on the bar code sticker, 1 1/2" NPT Long.

 

The 3/4" bit I have is a heavy duty bit - if I ever use it, would I have to use a heavy duty bulkhead or would a regular one still work?

 

I wish Martin was around for me to ask him what he had in this hole.

 

I have used course garnet sanding bits on a dremel to sand glass to a larger hole. This works, but go REALLY slowly, lubricate with water it if possible, and wear safetly goggles.

 

I have a dremel , but I have no idea what the different bits are called. I have used metal ones that came with it to sand down the edges of glass that I cut - they worked very well for that purpose.

 

[Chad]

It may be the same thing, just a small cylindrical sanding bit

[johnnybv]

The circumference of the drill bit perfectly matches the circumference of the bulkheads that I got. The bulkheads don't have anything on them to indicate that they a heavy duty, they just seem like they are to me compared to the 1" ones I have - they have on the bar code sticker, 1 1/2" NPT Long.

 

The 3/4" bit I have is a heavy duty bit - if I ever use it, would I have to use a heavy duty bulkhead or would a regular one still work?

 

I wish Martin was around for me to ask him what he had in this hole.

 

 

 

I have a dremel , but I have no idea what the different bits are called. I have used metal ones that came with it to sand down the edges of glass that I cut - they worked very well for that purpose.

if you bought an HD bit from me it will make the hole slightly larger than needed for the regular bulkhead but it will still work.

john

[treesprite]

Alright, I'll see what I can do with this hole with the dremel, and will pray and cross my fingers that I don't screw up and ruin the tank.

 

Thanks guys.

[gmubeach]

Let us know how it goes thanks for bring me my sand!