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Dimensional Specifications - Ceramic Fasteners
Fastener Dimensions Per ANSI B18.6.3-1972 (R1991) Standard
- 10 Piece Minimum Purchase per each: Ceramic Nut, Ceramic Bolt or Ceramic Washer
Standard sizes and head styles currently available in alumina:
Ceramic Hex Head Bolts / Screws, Ceramic Nuts and Ceramic Washers |
| Size |
|
|
|
|
|
|
| 0 - 80* |
.150 - .155 |
.170 min. |
.041 - .045 |
.150 - .157 |
.171 - .180 |
.043 - .050 |
| 2 - 56 |
.120 - .125 |
.143 min. |
.040 - .050 |
.180 - .188 |
.205 - .217 |
.057 - .066 |
| 4 - 40 |
.181 - .188 |
.202 min. |
.049 - .060 |
.241 - .250 |
.275 - .289 |
.087 - .098 |
| 6 - 32 |
.244 - .250 |
.272 min. |
.080 - .093 |
.302 - .312 |
.344 - .361 |
.102 - .144 |
| 8 - 32 |
.244 - .250 |
.272 min. |
.096 - .110 |
.332 - .344 |
.378 - .397 |
.117 - .130 |
| 10 - 32 |
.305 - .312 |
.340 min. |
.105 - .120 |
.362 - .375 |
.413 - .433 |
.117 - .130 |
| 1/4 - 20 |
.425 - .438 |
.484 min. |
.150 - .188 |
.423 - .438 |
.482 - .505 |
.212 - .226 |
| 5/16 - 18 |
.484 - .500 |
.552 min. |
.195 - .235 |
.545 - .562 |
.621 - .650 |
.208 - .225 |
| 3/8 - 16 |
.544 - .562 |
.620 min. |
.226 - .268 |
.607 - .625 |
.692 - .722 |
.239 - .257 |
- Due to our manufacturing process, point to point dimensions may not meet the ANSI B18.6.3-1972 (R1991) standard. All dimensions shown are in inches.
Regular Flat Ceramic Washers |
| Size |
Inside Diameter |
Outside Diameter |
Thickness |
| No. 0 * |
.063 - .065 |
.185 - .190 |
.022 - .027 |
| No. 2 |
.089 - .094 |
.245 - .250 |
.028 - .036 |
| No. 4 |
.120 - .133 |
.370 - .383 |
.036 - .045 |
| No. 6 |
.151 - .164 |
.433 - .446 |
.036 - .045 |
| No. 8 |
.183 - .196 |
.495 - .508 |
.036 - .045 |
| No. 10 |
.198 - .211 |
.557 - .570 |
.036 - .045 |
| 1/4 |
.276 - .296 |
.727 - .749 |
.056 - .071 |
| 5/16 |
.339 - .359 |
.868 - .890 |
.056 - .071 |
| 3/8 |
.401 - .421 |
.993 - 1.015 |
.056 - .071 |
- 0-80 and No. 0 dimensions are actual. All other ceramic fasteners conform to ANSI B18.6.3-1972 R1991 standards as listed in the chart. All ceramic screws and ceramic bolts are fully threaded.
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© 2007 Ceramco Ceramics, Inc., all rights reserved.
P.O. Box 300, 1467 East Main Street, Center Conway, NH 03813
Tel: 603.447.2090 | Fax: 603.447.3906 |
