To prevent or stop galling (also known as seizing or locking-up) on stainless steel fasteners, we recommend using an anti-seize thread lubricant from our line of MRO Solutions
Stainless Steel fasteners rubbing against each other (during installation) may cause a reaction known as Galling. The chance of galling increases significantly when a nylon insert is added to the nut. To limit the extra friction created by the nylon insert, Waxed Nylon Insert Lock Nuts are also available.
*Even when using Waxed Nylon Insert Lock Nuts, we still recommend using an MRO Anti-Seize Solution to further deter thread galling during any stainless steel fastener installation.
Nylon Insert Lock Nut Size
Width Across Flats
Height / Thickness
#4
0.251"
0.153"
#6
0.313"
0.188"
#8
0.345"
0.239"
#10
0.376"
0.249"
#12
0.439"
0.328"
1/4"
0.439"
0.328"
5/16"
0.502"
0.359"
3/8"
0.563"
0.468"
7/16"
0.627"
0.468"
1/2"
0.752"
0.609"
9/16"
0.877"
0.656"
5/8"
0.940"
0.765"
3/4"
1.064"
0.890"
7/8"
1.252"
0.999"
1"
1.44"
1.078"
Product number:
128192
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