Have a job coming up where I need to make numerous 1/4" size holes in 1/8 steel angle iron and flat bar. Would a handheld whitney suffice or would I have to bench mount? Trying my luck at fb marketplace to see my options
Whitney punch
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KnurledNut
Well-known member
I have a #5 and it will punch up to 16ga. (.06") mild steel.
At a minimum, a #7A would be needed for 1/8" (almost 10ga or .125").
https://www.roperwhitney.com/our-products/no-7a-portable-punch/
At a minimum, a #7A would be needed for 1/8" (almost 10ga or .125").
https://www.roperwhitney.com/our-products/no-7a-portable-punch/
RTM
Well-known member
I have a 5jr, and the bench mount made a huge difference in my capabilities. Won't do what you want, but the bench mount would be a requirement for your job.
I also have a 20c, but no punches for it. Until I have a need, I won't buy them. But it will need a beefy place to bolt down, and a long handle.
I also have a 20c, but no punches for it. Until I have a need, I won't buy them. But it will need a beefy place to bolt down, and a long handle.
LeeG
Well-known member
I have the Heinrich #6 bench punch. Works fine for your size at a much lower price.
tool_scrounge
Well-known member
Make sure it comes with punches in good condition.
danski0224
Well-known member
Depending on the depth from the edge, look at a Bohn Combi or Strapmaster.
RTM
Well-known member
Depends if you can buy new punches from the factory. Some models punches are still stocked. Looks like they sell the 240, but don't list dies for it. I'd call them.
Punches & Dies - Roper Whitney
Punches, dies, and punch and die sets for Roper Whitney’s punching units are available in a range of practical sizes and shapes from round and obround to square, rectangle, triangle, and beyond.
www.roperwhitney.com
Pexto Roper Whitney No 20 and No 24 Punch Dies https://share.google/d5ghuBlIecww4BsMk
I would buy my punches from American Punch Co. when the shop Whitney Duplicator tooling would wear out...
They should have your missing punch and dies...
My contact there was Jovan... Excellent service...
KnurledNut
Well-known member
That's a tremendous score for a #24! Great find.
Thanks for posting the thread. It led to me finding a great deal locally on a used #7A with a 3/8 die to expand my sheet metal capabilities.
