HomeBoring Tools
Boring Tools
Interactive calculators and matchers for everyday fastener tasks.
Find Matching Nut for Your Bolt
Select Bolt Size
Matching Hardware
M35.5mm
Nut Size:5.5mm
Wrench Size:5.5mm
Lock Nut:M3 Nyloc
Pro Tips
Pilot Holes in Wood
For softwoods, you can often skip pilot holes for small screws. Always pilot in hardwoods to prevent splitting.
Thread Engagement
For maximum strength, engage at least 1.5x the bolt diameter in threaded material. In aluminum, aim for 2x.