Socket Cap Head Machine Screws & BoltsU.S. Inch | Metric
U.S. inch cap socket head solid ceramic bolts and machine screws, as with all our ceramic fasteners,
are non-magnetic, non-outgassing, inert, and ideally suited for the unique requirements of sensitive scientific and analytical instrumentation.
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 | Head Diameter | Head Height | Hexagon Socket Size Nom. |
| #0-80 | alumina | .091 - .096 | .057 - .060 | 3/64" |
| ZTA | ||||
| zirconia | ||||
| #2-56 | alumina | .134 - .140 | .083 - .086 | 5/64" |
| ZTA | ||||
| zirconia | ||||
| #4-40 | alumina | .176 - .183 | .108 - .112 | 3/32" |
| ZTA | ||||
| zirconia | ||||
| #5-40 | alumina | .198 - .205 | .121 - .125 | 3/32" |
| ZTA | ||||
| zirconia | ||||
| #6-32 | alumina | .218 - .226 | .134 - .138 | 7/64" |
| ZTA | ||||
| zirconia | ||||
| #8-32 | alumina | .262 - .270 | .159 - .164 | 9/64" |
| ZTA | ||||
| zirconia | ||||
| #10-24 | alumina | .303 - .312 | .185 - .190 | 5/32" |
| ZTA | ||||
| zirconia | ||||
| #10-32 | alumina | .303 - .312 | .185 - .190 | 5/32" |
| ZTA | ||||
| zirconia | ||||
| 1/4"-20 | alumina | .365 - .375 | .244 - .250 | 3/16" |
| ZTA | ||||
| zirconia | ||||
| 1/4"-28 | alumina | .365 - .375 | .244 - .250 | 3/16" |
| ZTA | ||||
| zirconia | ||||
| 5/16"-18 | alumina | .457 - .469 | .306 - .312 | 1/4" |
| ZTA | ||||
| zirconia | ||||
| 3/8"- 16 | alumina | .55 - .562 | .368 - .375 | 5/16" |
| ZTA | ||||
| zirconia |
Dimensions Per ANSI B18.3-1998