Hex Nut U.S. Inch | Metric
U.S. inch ceramic hex nuts possess the same properties
as, and are intended for use in combination with, these U.S. inch ceramic fastener head styles of the same composition.
To Order Fasteners:
- Find the correct Size
- Click-on the Composition you require
- Available lengths displayed on next page

Available sizes, compositions and lengths vary and may be dependent upon material properties and performance characteristics.
A | B | C | ||
---|---|---|---|---|
Size | Composition | Flat-to-Flat | Point-to-Point | Height |
#0-80 | alumina | .150 - .156 | .171 - .180 | .043 - .050 |
ZTA | ||||
zirconia | ||||
#2-56 | alumina | .180 - .188 | .205 - .217 | .057 - .066 |
ZTA | ||||
zirconia | ||||
#4-40 | alumina | .241 - .250 | .275 - .289 | .087 - .098 |
ZTA | ||||
zirconia | ||||
#5-40 | alumina | .302 - .312 | .344 - .361 | .102 - .114 |
ZTA | ||||
zirconia | ||||
#6-32 | alumina | .302 - .312 | .344 - .361 | .102 - .114 |
ZTA | ||||
zirconia | ||||
#8-32 | alumina | .332 .344 | .378 - .397 | .117 - .130 |
ZTA | ||||
zirconia | ||||
#10-24 | alumina | .362 - .375 | .413 - .433 | .117 - .130 |
ZTA | ||||
zirconia | ||||
#10-32 | alumina | .362 - .375 | .413 - .433 | .117 - .130 |
ZTA | ||||
zirconia | ||||
1/4"-20 | alumina | .428 - .438 | .488 - .505 | .212 - .226 |
ZTA | ||||
zirconia | ||||
1/4"-28 | alumina | .428 - .438 | .488 - .505 | .212 - .226 |
ZTA | ||||
zirconia | ||||
5/16"-18 | alumina | .489 - .500 | .557 - .577 | .258 - .273 |
ZTA | ||||
zirconia | ||||
3/8"- 16 | alumina | .551 - .562 | .628 - .650 | .320 - .337 |
ZTA | ||||
zirconia |
Dimensions Per ANSI B18.6.3-1972 (R1991) & ANSI B18.2.2-1987 (R1999)