Carbon Steel Black Oxide M14 Fine Thread Nut A563 Grade A
A563 Grade A Carbon steel black oxide with oil Heavy hex Nuts
- Comparable to hex finish nuts but thicker and stronger
- Typically used for creating structures through steel to steel structural connections
- Often applied alongside structural bolts and washers to metal beams and girders
- Compatible with A325 and A490 Structural Bolts
- May contain a light coating of oil
- ASTM A563
SIZE: 1/4" - 4", M6 -M100 .
STANDARD: ASME B18.2.2
THREAD: ASME B1.1 , UNC, UNF, UN8
FINISHED: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G.
A563 Grade A: Carbon steel hex or heavy nuts.
A563 Grade B: Carbon steel hex or heavy nuts.
A563 Grade C:Quenched and tempered carbon steel heavy hex nuts.
A563 Grade DH:Quenched and tempered carbon steel heavy hex nuts.
NOTE: There are other types of A563. The one listed here is the one we receive the most requests for. For information on other types, please contact us.
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A563 MECHANICAL PROPERTIES |
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|
Grade |
Marking |
Style |
Size |
Proof Load, ksi |
Hardness, HBN |
|
|
Plain |
Galvanized |
|||||
|
A |
not required |
hex |
1/4" - 1-1/2" |
90 |
68 |
116 - 302 |
|
heavy hex |
1/4" - 4" |
100 |
75 |
116 - 302 |
||
|
B |
not required |
heavy hex |
1/4" - 1" |
133 |
100 |
121 - 302 |
|
heavy hex |
1-1/8" - 1-1/2" |
116 |
87 |
121 - 302 |
||
|
C |
3 circumferential marks |
heavy hex |
1/4" - 4" |
144 |
144 |
143 - 352 |
|
DH |
DH |
heavy hex |
1/4" - 4" |
175 |
150 |
148 - 352 |
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A563 CHEMICAL PROPERTIES |
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|
Element |
A, B & C |
DH |
|
Carbon |
0.55% max |
0.2 - 0.55% |
|
Manganese |
|
0.60% |
|
Phosphorus, max |
0.12% |
0.04% |
|
Sulfur, max |
0.15% |
0.05% |
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