Inch screw, nut, washer 1/4-20

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

Hexagon socket head cap screw (inch screw)

Product Number	Standard	Material	L（inch）	L （mm conversion）
SC14-3/8	1/4-20 UNC	SUS304	3/8	9.52mm
SC14-1/2	1/4-20 UNC	SUS304	1/2	12.7mm
SC14-5/8	1/4-20 UNC	SUS304	5/8	15.87mm
SC14-3/4	1/4-20 UNC	SUS304	3/4	19.05mm
SC14-1	1/4-20 UNC	SUS304	1	25.4mm
SC14-1-1/8	1/4-20 UNC	SUS304	1-1/8	28.57mm
SC14-1-1/4	1/4-20 UNC	SUS304	1-1/4	31.75mm
SC14-1-3/8	1/4-20 UNC	SUS304	1-3/8	34.92m
SC14-1-1/2	1/4-20 UNC	SUS304	1-1/2	38.1mm
SC14-1-3/4	1/4-20 UNC	SUS304	1-3/4	44.45mm
SC14-2	1/4-20 UNC	SUS304	2	50.8mm

Nut (inch screw / UNC)

Product Number	Standard	Material	H	D
NU14-3	1/4-20 UNC	SUS304	Tolerance 3.81〜4.14mm	Tolerance 10.88〜11.12mm
NU14-5	1/4-20 UNC	SUS304	Tolerance 5.38〜5.74mm	Tolerance 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 Number	Standard	Material	H	M	D
FNU14-5	1/4-20 UNC	SUS304	Tolerance 5.64〜5.99mm	Tolerance 14.58〜15.09mm	Tolerance 10.87〜11.12mm

Washer (inch screw)

Product Number	Standard	Material	OD	ID	T
WSH14-15	1/4-20	SUS304	Tolerance 15.75〜16.25mm	Tolerance 7.02〜7.51mm	Tolerance 1.3〜2.03mm
WSH14-18	1/4-20	SUS304	Tolerance 18.47〜19.02mm	Tolerance 7.8〜8.3mm	Tolerance 1.3〜2.03mm

Spring Washer (inch screw)

Product Number	Standard	Material	OD	ID	T
SWSH14-9	1/4-20	SUS304	tolerance12.16〜12.37mm	tolerance 6.4〜6.61mm	1.81mm