Inch screw, nut, washer 1/4-20

Hexagon socket head cap screw (inch screw) | Nut | Washer

Hexagon socket head cap screw (inch screw)

Product NumberStandardMaterialL(inch)L (mm conversion)
SC14-3/81/4-20
UNC
SUS3043/89.52mm
SC14-1/21/4-20
UNC
SUS3041/212.7mm
SC14-5/81/4-20
UNC
SUS3045/815.87mm
SC14-3/41/4-20
UNC
SUS3043/419.05mm
SC14-11/4-20
UNC
SUS304125.4mm
SC14-1-1/81/4-20
UNC
SUS3041-1/828.57mm
SC14-1-1/41/4-20
UNC
SUS3041-1/431.75mm
SC14-1-3/81/4-20
UNC
SUS3041-3/834.92mm
SC14-1-1/21/4-20
UNC
SUS3041-1/238.1mm
SC14-1-3/41/4-20
UNC
SUS3041-3/444.45mm
SC14-21/4-20
UNC
SUS304250.8mm

Nut (inch screw / UNC)

Product NumberStandardMaterialH D
NU14-31/4-20
UNC
SUS304Tolerance 3.81〜4.14mmTolerance 10.88〜11.12mm
NU14-51/4-20
UNC
SUS304Tolerance 5.38〜5.74mmTolerance 10.87〜11.12mm

Flange nut (serrated / inch thread / UNC)

This nut has a flange larger than the hexagonal portion at the bottom of the hexagonal nut. The bottom of the nut has a serrated bottom to prevent loosening.

Product NumberStandardMaterialH MD
FNU14-51/4-20
UNC
SUS304Tolerance 5.64〜5.99mmTolerance 14.58〜15.09mmTolerance 10.87〜11.12mm

Washer (inch screw)

Product NumberStandardMaterialODIDT
WSH14-151/4-20SUS304Tolerance 15.75〜16.25mmTolerance 7.02〜7.51mmTolerance 1.3〜2.03mm
WSH14-181/4-20SUS304Tolerance 18.47〜19.02mmTolerance 7.8〜8.3mmTolerance 1.3〜2.03mm

Spring Washer (inch screw)

Product NumberStandardMaterialODIDT
SWSH14-91/4-20SUS304tolerance12.16〜12.37mmtolerance 6.4〜6.61mm1.81mm
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