| Notes | 1. Due to our manufacturing process, point to point dimensions may not meet the ANSI B18.6.3-1972 (R1991) standard.
2. * #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.
3. All ceramic screws and ceramic bolts are fully threaded.
4. All dimensions shown are in inches.
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Dimensional Specifications - Socket Head (a.k.a. Socket Cap)
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Socket Cap Fastener Dimensions Per ANSI B18.3-1998
|
| Size |
Body
Diameter
|
Head
Diameter
|
Head
Height
|
Nom. Hex.
Socket Size
|
Fillet Ext
|
Key
Engagment
|
| #0-80 |
.0568 - .060 |
.091 - .096 |
.057 - .060 |
.050 |
.007 Max |
.025 |
| #2-56 |
.0822 - .0860 |
.134 - .140 |
.083 - .086 |
5/64 .078 |
.008 Max |
.038 |
| #4-40 |
.1075 - .1120 |
.176 - .183 |
.108 - .112 |
3/32 .094 |
.009 Max |
.051 |
| #5-40 |
.1202 - .125 |
.198 - .205 |
.121 - .125 |
3/32 .094 |
.010 Max |
.057 |
| #6-32 |
.1329 - .138 |
.218 - .226 |
.134 - .138 |
7/64 .109 |
.010 Max |
.064 |
| #8-32 |
.1585 - .164 |
.262 - .270 |
.159 - .164 |
9/64 .141 |
.012 Max |
.077 |
| #10-32 and #10-24 |
.184 - .190 |
.303 - .312 |
.185 - .190 |
5/32 .156 |
.014 Max |
.09 |
| 1/4"-20 |
.2435 - .250 |
.365 - .375 |
.244 - .250 |
3/16 .188 |
.014 Max |
.120 |
| 5/16"-18 |
.3053 - .3125 |
.457 - .469 |
.306 - .312 |
1/4 .250 |
.017 Max |
.151 |
| 3/8"- 16 |
.3678 - .375 |
.55 - .562 |
.368 - .375 |
5/16 .312 |
.020 Max |
.182 |
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© 2010 Ceramco, Inc., all rights
reserved.
P.O. Box 300, 1467 East Main Street, Center Conway, NH 03813
Tel: (603) 447-2090 | Fax: (603) 447-3906
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