Fasteners & Custom Hardware
Molybdenum
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Alumina / Mullite
High Temperature Fabrication Services
Alumina refractory hex nuts are available in both inch and metric sizing. We offer a same day shipping policy.
Item #
Item Name
Screw Size
(F) Minimum Diameter
(G) Maximum Diameter
(H) Thickness
Alumina Nuts Hex 0-80
0-80
0.156
0.180
0.05
Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998)
Alumina Nuts Hex 2-56
2-56
0.187
0.217
0.06
Alumina Nuts Hex 4-40
4-40
0.250
0.289
0.08
Alumina Nuts Hex 5-40
5-40
0.312
0.361
Alumina Nuts Hex 6-32
6-32
0.09
Alumina Nuts Hex 8-32
8-32
0.343
0.397
Alumina Nuts Hex 10-24
10-24
0.375
0.433
0.125
Alumina Nuts Hex 10-32
10-32
Alumina Nuts Hex 1/4-20
1/4-20
0.434
0.500
0.22
Alumina Nuts Hex 5/16-18
5/16-18
0.562
0.650
0.265
Alumina Nuts Hex 3/8-16
3/8-16
0.625
0.722
Alumina Nuts Hex- Metric for M2.0x0.40
2.0x0.40
4
4.62
1.5
Alumina Nuts Hex- Metric for M3.0x0.50
3.0x0.50
5.5
6.35
2.3
Alumina Nuts Hex- Metric for M4.0x0.70
4.0x0.70
7
8.08
Alumina Nuts Hex- Metric for M5.0x0.80
5.0x0.80
8
9.24
Alumina Nuts Hex- Metric for M6.0x1.00
6.0x1.00
10
11.55
5
Alumina Nuts Hex- Metric for M8.0x1.25
8.0x1.25
13
15.02
6.5
