I have a Wallace 9388 tree pruner, bought in UK but made in US, and I've lost the wing nut which secures the cutting blade. I want to identify its screw thread so I can source a replacement nut. The thread is 1/8" diameter but only 24 tip, so not a UNC or UNF type. Suggestions?
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What could this screw thread be?
- Thread starter u33446z
- Start date
I don't know, but if it is American standard, move your measure so you can count threads per inch
And diameter of the screw.
it would be in fractions of an inch, maybe eighths or sixteenths
Look at the UNF column first.
www.engineeringtoolbox.com
If it is a metric screw, measure the diameter in mm.
And diameter of the screw.
it would be in fractions of an inch, maybe eighths or sixteenths
Look at the UNF column first.
Unified Thread Standards: UNC & UNF Size Charts & Specifications
ANSI/ASME B1.1 Unified National Thread - UNC Coarse series and UNF Fine series.
www.engineeringtoolbox.com
If it is a metric screw, measure the diameter in mm.
Go to Machine Mart and ask for to see their thread gauges.
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