Ceramic Screws, Nuts, Bolts & Washers

 

 

Standard sizes and head styles currently available in alumina & zirconia :

Size
Hex
Pan
Flat
Socket Cap
Flat Socket
Phillips Pan
0-80* (0.25" max)
·
·
·
·
·
 
2-56 (0.5" max)
·
·
·
·
·
 
4-40 (1.0" max)
·
·
·
·
·
 
5-40 (1.0" max)
·
·
·
·
·
  
6-32 (1.0" max)
·
·
·
·
·
 
8-32 (1.5" max)
·
·
·
·
·
·
10-24 (1.0" max)
·
·
 
 
·
 
10-32 (1.75" max)
·
·
·
·
·
 
1/4-20 (3.0" max)
·
·
·
·
·
 
5/16-18 (3.0" max)
·
·
·
·
·
 
3/8-16 (3.0" max)
·
·
·
·
·
 

 

All of the listed sizes have matching washers and nuts available

 

Metric sizes and head styles currently available in alumina & zirconia:

Size
Hex
Pan
Flat
Socket Cap
Phillips Pan
Cheese
M2 (10mm max)
·
 
  
·
·
 
M3 (25mm max)
·
 
 
·
 
 
M4 (40mm max)
·
 
 
 
 
·
M5 (40mm max)
·
 
 
  
 
·
M6 (75mm max)
·
 
 
 
 
 
M8 (70mm max)
·
 
 
 
 
 

All of the above have matching washers and nuts available

 

Strength Properties for 99.8% Alumina Fully Dense Bolts

 
Ceramic Bolt Size
Destructive Torque (in*lb)
4-40
1.6
6-32
2.3
8-32
5.5
10-32
6.2
1/4-20
20.4
5/16-18
41.9
3/8-16
95

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(916) 549-9696
Email: info@ortechceramics.com
 

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