Hex Head Machine Screws & BoltsMetric | U.S. Inch
Ceramic hex head metric bolts and machine screws, as with all our ceramic fasteners,
are unaffected by Lorentz Force, with volume resistivity Ohm·cm @ 500°C as high as 107 and non-porous.
To Order Fasteners:
- Find the correct Size
- Click-on the Composition you require
- Available lengths displayed on next page
Hex head metric sizes M5 and larger will have a washer head face. Hex head metric sizes M4 and smaller will not have the washer head face.
Available sizes, compositions and lengths vary and may be dependent upon material properties and performance characteristics.
| A | B | C | ||
|---|---|---|---|---|
| Size | Composition | Head Flat-to-Flat |
Head Point-to-Point |
Head Height |
| M2 x 0.4 | alumina | 3.02 - 3.20 | 3.38 Min | 1.30 - 1.60 |
| ZTA | ||||
| zirconia | ||||
| M3 x 0.5 | alumina | 4.82 - 5.00 | 5.40 Min | 2.00 - 2.30 |
| ZTA | ||||
| zirconia | ||||
| M4 x 0.7 | alumina | 6.78 - 7.00 | 7.59 Min | 2.60 - 3.00 |
| ZTA | ||||
| zirconia | ||||
| M5 x 0.8 | alumina | 7.78 - 8.00 | 8.71 Min | 3.30 - 3.80 |
| ZTA | ||||
| zirconia | ||||
| M6 x 1.0 | alumina | 9.78 - 10.00 | 10.95 Min | 4.10 - 4.70 |
| ZTA | ||||
| zirconia | ||||
| M8 x 1.25 | alumina | 12.73 - 13.00 | 14.26 Min | 5.20 - 6.00 |
| ZTA | ||||
| zirconia |
Dimensions Per ANSI B18.6.7M-1985