User Profile

[MattiJ]

Standard procedure in auto body repair shops nowadays. Many cars use high strenght steel in some parts of the body and repair welds are not permitted...

[MattiJ]

Or other explanation: Pferd= Horse in German...

[MattiJ]

Loose fit or Plastic spacers are nice on winter tyres. Goddamn road salt makes close fitting rims stuck really badly. Normal procedure on friends Saab...

[MattiJ]

What brand/manuf of bolts mcMaster is selling?...

[MattiJ]

Afaik last time I looked for it was some manufacturer specific code or more like trademark. I’m assuming that the 200+ on the other bolt is kpsi....

[MattiJ]

Spark test is about as good as XRF( or even better) for carbon steel. It wont help you sort you 304 from 316 but it can give better guestimate on carbon...

[MattiJ]

A2 sounds unlikely. More like 1045 or with bit of luck vsome medium alloy steel like 4140.

spark test comparing to known steel samples is...

[MattiJ]

What sort of cloth you were using?
I have used the same method and the combination of acid and heat ate up cotton really fast. Some unknown synthetic...

[MattiJ]

Another strange fastener actually used on washing machine:


class 8.8 extra long screw with coarse thread for plastics....

[MattiJ]

Most european cars are opposite just like dian mentioned....

[MattiJ]

Lathe is pretty handy for cutting shims. Boring the holes needs a little preparation unless you are using face plate or your chuck face or jaws has alredy...

[MattiJ]

I don’t know about US sizes but at least the metric sizes are such that you can torque even 10.9(grade 8) countrrsink bolts to recommended max torque....

[MattiJ]

And I select between countersink and counterbore mostly based on material thickness. In home shop it is also based pretty often what screws and tools...

[MattiJ]

At least the countersinks that I have are each sized according to screw head. So as long as I select the correct size and not three steps larger I can...

[MattiJ]

Electricians pliers Needs superhuman strenght for 6mm normal 8.8 material screw. Soft brass or chinesium steel might be just doable.

[MattiJ]

I have been eyeballin US ”hardware” prices with envy as they seem to be -80% compared to here in Finland..but it seems like more often than not you...

[MattiJ]

I’m not saying its impossible but every other case so far has been psychosomatic. Aka ”nutcase”

[MattiJ]

Sounds complicated compared to undersize transfer punch. Offset is half the diameter difference.....

[MattiJ]

0.003" is lot less than most of my tooling has.
Just went to check and CCMT09 (ANSI CCMT32xxxx) insert holders typically use M3.5 screw and...

[MattiJ]

Workable but not ideal if you didn't offset the hole location....