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Kr_toy
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I am looking for hardened/heat-treated bolt and nut (black color) to replace my exhaust parts, wondering if anyone know which shop selling variety of this kinds of bolts and nuts ? Thank you.

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I am looking for hardened/heat-treated bolt and nut (black color) to replace my exhaust parts, wondering if anyone know which shop selling variety of this kinds of bolts and nuts ? Thank you.

Sungei Road's & King George Ave alot of bolt & nuts shop,get those S/S type....never rusts.

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I am looking for hardened/heat-treated bolt and nut (black color) to replace my exhaust parts, wondering if anyone know which shop selling variety of this kinds of bolts and nuts ? Thank you.

 

Lots of hardware shops at Jln Beasar. They are not the usual neighbourhood type. The things they sell are for marine and various industries. You definitely can find them there if you have the sample or know the size and length of the bolts and nuts (in mm or inches). Get those marine grade stainless steel type. Definitely won't rust.

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google for Homely Hardware. they are one of the biggest around that has shopper friendly concept store. one is located at Ubi, one is at serangoon north First Centre. u should be able to find whatever type of nuts and nolts specification you are looking for.

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Sungei Road's & King George Ave alot of bolt & nuts shop,get those S/S type....never rusts.

 

 

just to add on..

 

get the SS316 and not the SS304..

 

these markings are on the bolt head..

 

if you see G8.8 or G-something.. those are galvanized..

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just to add on..

 

get the SS316 and not the SS304..

 

these markings are on the bolt head..

 

if you see G8.8 or G-something.. those are galvanized..

G8.8 are 'High Tensile" not Galvanized.

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google for Homely Hardware. they are one of the biggest around that has shopper friendly concept store. one is located at Ubi, one is at serangoon north First Centre. u should be able to find whatever type of nuts and nolts specification you are looking for.

Homely only got those screws used in building houses....go to Central Engineering,Pansun,Poey Huat,all at town area.

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I am looking for hardened/heat-treated bolt and nut (black color) to replace my exhaust parts, wondering if anyone know which shop selling variety of this kinds of bolts and nuts ? Thank you.

I suggest you bring a sample of the bolt & nut along with you coz when shops what size & type of thread, length of thread you are looking you will be tongue tied.

 

Type of "heads" for bolts there are a lot. Most common are hexagonal heads, there are also hex. socket type, the "+/-", countersunk head or round head.

 

Black colour is not heat treated. The process is called "blackening" to retard the process of rust. Most steel bolts come "blackened", so you dun have to mentioned anything when buying, just say normal steel type. It's actually a layer of aluminium oxide. Much like those galvanised but using zinc as a layer of coating. Stainless steel bolts comes in 2 grades SUS304 & SUS316 the difference is not in strength but in their chemical composition. SUS316 has a higher resistance against chemicals & against corrosion.

 

"8.8" grade got to see what size smaller ones are actually carbon steel, slightly stronger dan normal steel as it has more carbon content. Bigger sizes are high tensile steel.

 

Thread size comes in a number of different standard; mm, inches & unified threads. mm alone got 2 types, coarse thread & fine thread. Inches are a little more complicated as it looks at pitch size. Unified are usually fine threads or fine pitch as in threads are closer to each other dan regular threads.

 

Buying bolts has a lot knowledge as sellers will be specific and ask what exactly you are looking for. Hence it's good to bring along a sample. :D

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Just bring the samples along , the shop guys will check your samples with a thread gauge to determine the types of threads etc.

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Yes, finally I found the one I want at AMK Ind Park 2A, it is high tensile 8.8 lock washer that fit nicely to the new original bolt

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Yes, finally I found the one I want at AMK Ind Park 2A, it is high tensile 8.8 lock washer that fit nicely to the new original bolt

This shop should be Yong Seng Hoon Kee.?

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Stainless steel bolts & nuts are good for corrosion resistant, but known to be easily seized if not used properly. I would go with the high tensile bolts & nuts.

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