Nuts
Types of Nuts
Hex Nut
hexagon nut · finished hex nut
A hex nut is a six-sided, internally threaded fastener that mates with a bolt or threaded rod to clamp parts t…
Lock Nut
nyloc nut · nylon insert lock nut
A lock nut resists loosening from vibration using a nylon insert, deformed threads, or a second locking elemen…
Flange Nut
serrated flange nut · flanged hex nut
A flange nut is a hex nut with a built-in washer-like flange at its base that spreads the load and resists loo…
Rivet Nut
nutsert · blind rivet nut
A rivet nut (Nutsert) is an internally threaded rivet installed from one side, giving thin materials a strong,…
Wing Nut
butterfly nut · thumb nut
A wing nut has two projecting wings so it can be tightened and loosened entirely by hand — no tools needed.…
T-Nut
tee nut · blind nut
A T-nut is a nut with a pronged flange that embeds into wood or composite, providing a machine thread that rec…
Castle Nut
slotted nut · castellated nut
A castle nut is a hex nut with radial slots cut into its top, through which a cotter pin passes to positively …
Acorn Nut
cap nut · dome nut
An acorn nut is a hex nut with a closed, domed top that covers the exposed thread end, protecting it and givin…
Coupling Nut
extension nut · long nut
A coupling nut is an extra-long hex nut used to join two threaded rods or bolts end to end, or to extend a stu…
Cage Nut
rack nut · caged nut
A cage nut is a square nut held in a spring-steel cage that clips into square holes in server racks and equipm…
Keps Nut
K-lock nut · washer nut
A Keps nut is a hex nut with a free-spinning external tooth washer permanently attached, so the washer cannot …
Weld Nut
projection weld nut · spot weld nut
A weld nut is a nut with projections that are resistance-welded to sheet metal, providing a permanent, captive…
Square Nut
square machine nut
A square nut is a four-sided nut that seats flat against a surface and resists turning in a square channel or …
Speed Nut
spring steel nut · u-nut
A speed nut is a stamped spring-steel fastener that pushes over a panel edge or stud, self-retaining and ready…
Barrel Nut
cross dowel · cross dowel nut
A barrel nut is a cylindrical nut with a cross-drilled threaded hole, inserted into a pre-drilled hole to rece…
Push Nut
push on nut · hat nut
A push nut is a stamped spring-steel fastener pressed onto a plain (unthreaded) stud or shaft, gripping it wit…
Prevailing Torque Lock Nut
stover nut · distorted thread nut
A prevailing torque lock nut has deformed or pinched threads that grip the bolt, resisting loosening without a…
Knurled Thumb Nut
thumb nut · knurled nut
A knurled thumb nut has a textured, larger-diameter head that is tightened and loosened by hand, with no wrenc…
Spring Steel Nut
flat spring nut · flat type speed nut
A spring steel nut is a thin stamped nut with prongs or a thread-like grip that bites onto a screw, used on sh…