The specification for the Grade F563 Nut Bolt covers the chemical as well as the mechanical requirements for carbon and alloy steel nuts used on fasteners like bolts, studs, and externally threaded ones as well. This specification also covers the Grade F563 Bolt fasteners thread dimensions as well as their oversizing allowances for those nuts that have been hot dipped galvanized.
Table of Content
In the specification hot dipped galvanized nuts have to be tapped oversized to accommodate the added thickness of the zinc on the threads of the externally threaded fastener or the ASTM A563 Coupling Nuts.As mentioned in the specification ASTM A563m, the nuts of any grade can be fulfilled by the supplier by furnishing the nuts of any one of the stronger nuts mentioned in the specification unless the substitution has been barred in the purchase order or the inquiry by the purchaser.
This is important as the ASTM F563 Nuts aren’t readily available in sizes and finishes that could be required by the buyer.There are a variety of ASTM A563 Lock Nuts styles that exist. To some degree, the F563 Washer & nuts are determined by their grade. The ASTM F563 Nuts styles include hex, heavy hex, square, jam, coupling, and sleeve.
ASTM A563 Nuts |
Price |
astm a563 Carbon steel hex socket nut with groove |
US$ 0.971-US$ 1.44 / Kilogram |
ASTM A563 grade C hex heavy nut |
US$ 900.00-US$ 1,400.00 / Ton |
Alloy steel black heavy astm a563 hex nut |
US$ 0.02-US$ 3.00 / Piece |
Black ASTM A563 Gr DH Heavy Hex Nut M64 |
US$ 0.08-US$ 1.00 / Piece |
Hot dip galvanized astm a a563 grade C heavy hex nut |
US$ 0.05-US$ 2.00 / Piece |
Grade DH a563 heavy hex nut teflon nut |
US$ 0.01-US$ 0.50 / Piece 1 Piece Min. Order |
astm a563 grade C3 heavy hex nut |
US$ 0.005-US$ 2.00 / Piece |
Standards |
Designation |
|---|---|
| ASTM | F563 |
| Astm F563 Nuts Delivery time | custom product will according to special requirement, Regular product is about 7-15 days |
| ASTM F563 Nuts Coatings | Cadmium, Black Oxide, Teflon, Galvanized, Zinc, Xylan, Others Upon Request |
Astm F563 Nuts Dimensions |
ASME B18.3, B18.2.1 |
Melt Origin |
South America/East Europe/Japan/Korea |
Product Origin |
Made in India |
Astm F563 Nuts Threads Configuration |
B1.13M 6h Metric Coarse Threads and ASME B1.1 2A/3A Inch Unified Threads |
Astm F563 Nuts Certification |
Dual Certified As per ASME & ASTM Codes |
Additional Certifications |
Merkblatt AD 2000 W2 Certified, PED 97/23/EC Certified |
Mandatory Requirements |
Free from Radioactive & Mercury Contamination |
Additional Requirements |
NACE MR0175 / MR0103 /ISO 15156 Compliance |
| Astm F563 Nuts Samples | Yes |
| Payment Terms | Western Union, T/T, Paypal, Trade Assurance 30% deposit & balance before shipping or L/C |
Nut Size (mm) |
Diameter* (mm) |
Height (mm) |
||
|---|---|---|---|---|
Hex Nut |
Jam Nut |
Nylock Nut |
||
2 |
4 |
1.6 |
1.2 |
- |
2.5 |
5 |
2 |
1.6 |
- |
3 |
5.5 |
2.4 |
1.8 |
4 |
4 |
7 |
3.2 |
2.2 |
5 |
5 |
8 |
4 |
2.7 |
5 |
6 |
10 |
5 |
3.2 |
6 |
7 |
11 |
5.5 |
3.5 |
- |
8 |
13 |
6.5 |
4 |
8 |
10 |
17 |
8 |
5 |
10 |
12 |
19 |
10 |
6 |
12 |
14 |
22 |
11 |
7 |
14 |
16 |
24 |
13 |
8 |
16 |
18 |
27 |
15 |
9 |
18.5 |
20 |
30 |
16 |
10 |
20 |
* This is the diameter across the flats. It is also the size of wrench to use. |
||||
**All measurements in millimeters**
Nominal Size or Basic Major Thread Diameter |
F |
G |
H |
||||||
Width Across Flats |
Width Across Corners |
Thickness |
|||||||
Basic |
Max |
Min |
Max |
Min |
Basic |
Max |
Min |
||
1/4 |
.2500 |
7/16 |
.438 |
.428 |
.505 |
.488 |
7/32 |
.226 |
.212 |
5/16 |
.3125 |
1/2 |
.500 |
.489 |
.577 |
.557 |
17/64 |
.273 |
.258 |
3/8 |
.3750 |
9/16 |
.562 |
.551 |
.650 |
.628 |
21/64 |
.337 |
.479 |
7/16 |
.4375 |
11/16 |
.688 |
.675 |
.794 |
.768 |
3/8 |
.385 |
.365 |
1/2 |
.5000 |
3/4 |
.750 |
.736 |
.866 |
.840 |
7/16 |
.448 |
.427 |
9/16 |
.5625 |
7/8 |
.875 |
.861 |
1.010 |
.982 |
31/64 |
.496 |
.473 |
5/8 |
.6250 |
15/16 |
.938 |
.922 |
1.083 |
1.051 |
35/64 |
.559 |
.535 |
3/4 |
.7500 |
1-1/8 |
1.125 |
1.088 |
1.299 |
1.240 |
41/64 |
.665 |
.617 |
7/8 |
.8750 |
1-5/16 |
1.312 |
1.269 |
1.516 |
1.447 |
3/4 |
.776 |
.724 |
1 |
1.0000 |
1-1/2 |
1.500 |
1.450 |
1.732 |
1.653 |
55/64 |
.887 |
.831 |
1-1/8 |
1.1250 |
1-11/16 |
1.688 |
1.631 |
1.949 |
1.859 |
31/32 |
.999 |
.939 |
1-3/8 |
1.3750 |
2-1/16 |
2.062 |
1.994 |
2.382 |
2.273 |
1-11/64 |
1.206 |
1.138 |
1-1/2 |
1.500 |
2-1/4 |
2.250 |
2.175 |
2.598 |
2.480 |
1-9/32 |
1.ASTM A194 GR. 8 |
1.245 |
1-5/8 |
1.6250 |
2-7/16 |
2.438 |
2.356 |
2.815 |
2.686 |
1-25/64 |
1.429 |
1.353 |
1-3/4 |
1.7500 |
2-5/8 |
2.625 |
2.538 |
3.031 |
2.893 |
1-1/2 |
1.540 |
1.460 |
2 |
2.0000 |
3 |
3.000 |
2.900 |
3.464 |
3.306 |
1-23/32 |
1.763 |
1.675 |
2-1/4 |
2.2500 |
3-3/8 |
3.375 |
3.263 |
3.897 |
3.719 |
1-15/16 |
1.986 |
1.890 |
2-1/2 |
2.5000 |
3-3/4 |
3.750 |
3.625 |
4.330 |
4.133 |
2-5/32 |
2.209 |
2.105 |
2-3/4 |
2.7500 |
4-1/8 |
4.125 |
3.988 |
4.763 |
4.546 |
2-3/8 |
2.431 |
2.319 |

Nominal Size or Basic Major Thread Diameter |
F |
G |
H |
||||||
Width Across Flats |
Width Across Corners |
Thickness |
|||||||
Basic |
Max |
Min |
Max |
Min |
Basic |
Max |
Min |
||
1/4 |
.2500 |
1/2 |
.500 |
.488 |
.577 |
.556 |
15/64 |
.250 |
.218 |
5/16 |
.3125 |
9/16 |
.562 |
.546 |
.650 |
.622 |
19/64 |
.314 |
.280 |
3/8 |
.3750 |
11/16 |
.688 |
.669 |
.794 |
.763 |
23/64 |
.377 |
.341 |
7/16 |
.4375 |
3/4 |
.750 |
.728 |
.866 |
.830 |
27/64 |
.441 |
.403 |
1/2 |
.5000 |
7/8 |
.875 |
.850 |
1.010 |
.969 |
31/64 |
.504 |
.464 |
9/16 |
.5625 |
15/16 |
.938 |
.909 |
1.083 |
1.037 |
35/64 |
.568 |
.526 |
5/8 |
.6250 |
1-1/16 |
1.062 |
1.031 |
1.227 |
1.175 |
39/64 |
.631 |
.587 |
3/4 |
.7500 |
1-1/4 |
1.250 |
1.212 |
1.443 |
1.382 |
47/64 |
.758 |
.710 |
7/8 |
.8750 |
1-7/16 |
1.438 |
1.394 |
1.660 |
1.589 |
55/64 |
.885 |
.833 |
1 |
1.0000 |
1-5/8 |
1.325 |
1.575 |
1.876 |
1.796 |
63/64 |
1.012 |
.956 |
1-1/8 |
1.1250 |
1-13/16 |
1.812 |
1.756 |
2.093 |
2.002 |
1-7/64 |
1.139 |
1.079 |
1-1/4 |
1.2500 |
2 |
2.000 |
1.938 |
2.309 |
2.209 |
1-7/32 |
1.251 |
1.187 |
1-3/8 |
1.3750 |
2-3/16 |
2.188 |
2.119 |
2.526 |
2.416 |
1-11/32 |
1.378 |
1.460 |
1-1/2 |
1.5000 |
2-3/8 |
2.375 |
2.300 |
2.742 |
2.622 |
1-15/32 |
1.505 |
1.433 |
1-5/8 |
1.6250 |
2-9/16 |
2.562 |
2.481 |
2.959 |
2.828 |
1-19/32 |
1.632 |
1.556 |
1-3/4 |
1.7500 |
2-3/4 |
2.750 |
2.662 |
3.175 |
3.035 |
1-23/32 |
1.759 |
1.679 |
2 |
2.0000 |
3-1/8 |
3.125 |
3.025 |
3.608 |
3.449 |
1-31/32 |
2.013 |
1.925 |
2-1/4 |
2.2500 |
3-1/2 |
3.500 |
3.388 |
4.041 |
3.862 |
2-13/64 |
2.251 |
2.155 |
2-1/2 |
2.5000 |
3-7/8 |
3.875 |
3.750 |
4.474 |
4.275 |
2-29/64 |
2.505 |
2.401 |
2-3/4 |
2.7500 |
4-1/4 |
4.250 |
4.112 |
4.907 |
4.688 |
2-45/64 |
2.759 |
2.647 |
3 |
3.0000 |
4-5/8 |
4.625 |
4.475 |
5.340 |
5.102 |
2-61/64 |
3.013 |
2.893 |
3-1/4 |
3.2500 |
5 |
5.000 |
4.838 |
5.774 |
5.515 |
3-3/16 |
3.252 |
3.124 |
3-1/2 |
3.5000 |
5-3/8 |
5.375 |
5.200 |
6.207 |
5.928 |
3-7/16 |
3.506 |
3.370 |
3-3/4 |
3.7500 |
5-3/4 |
5.750 |
5.562 |
6.640 |
6.341 |
3-11/16 |
3.670 |
3.616 |
4 |
4.0000 |
6-1/8 |
6.125 |
5.925 |
7.073 |
6.755 |
3-15/16 |
4.014 |
3.862 |

Elements |
Grades O, A, B, C |
D |
DH |
Carbon |
0.55% max |
0.55% max |
0.20 – 0.55% |
Manganese, min |
0.30% |
0.60% |
|
Phosphorus, max |
0.12% |
0.04% |
0.04% |
Sulfur, max |
0.15%* |
0.05% |
0.05% |
* For grades O, A and B a sulfur content of 0.23% max is acceptable with the purchasers approval |
|||
** For grades D and DH a sulfur content of 0.05 – 0.15% is acceptable provided the manganese is 1.35% min |
|||
Alloy Group |
Alloy Designation |
Alloy Type |
|---|---|---|
1 |
303, 304, 304L, 305, 384, XM1, 18-9LW, 302HQ, 303Se |
Austenitic |
2 |
316, 316L |
Austenitic |
3 |
321, 347 |
Austenitic |
4 |
430, 430F |
Ferritic |
5 |
410, 416, 416Se |
Martensitic |
6 |
431 |
Martensitic |
7 |
630 (17-4) |
Precipitation Hardening |
Grade |
Style |
Size, in. |
Proof Load, ksi |
Hardness, HBN |
|
Plain |
Galvanized |
||||
A |
Hex |
1/4 – 1-1/2 |
90 |
68 |
116 – 302 |
Heavy Hex |
1/4 – 4 |
100 |
75 |
116 – 302 |
|
B |
Heavy Hex |
1/4 – 1 |
133 |
100 |
121 – 302 |
Heavy Hex |
1-1/8 – 1- 1/2 |
116 |
87 |
121 – 302 |
|
C / C3 |
Heavy Hex |
1/4 – 4 |
144 |
144 |
143 – 352 |
D |
Heavy Hex |
1/4 – 4 |
150 |
150 |
248 – 352 |
DH / DH3 |
Heavy Hex |
1/4 – 4 |
175 |
150 |
248 – 352 |
ASTM A563 Flange Nuts |
F563 Hex Nut |
ASTM A 194 Coupling Nut Supplier |
ASTM F563 Square Nut |
SS F563 Lock Nut |
SS F563 Heavy Hex Nuts Distributor |
ISO Approved ASTM A563 Eye Nut |
ASTM F563 Nuts Manufacturer |
Stainless Steel F563 T Nuts Supplier |
ASTM F563 Dome Nut |
ASTM A563 Hex Nuts |
F563 T But |
F563 Nylock Insert Nut |
ASTM A563 Nuts |
ASTM F563 Heavy Hex Nuts |
ASTM F563 Locking Nuts Supplier |
SF563 Nuts Exporter |
Stainless Steel F563 Panel Nut Manufacturer |
ASTM F563 Lock Nuts Exporter |
F563 Panel Nuts |
Stainless Steel F563 Wing Nuts |
ASTM A563 Panel Nut |
F563 Stainless Steel Washer |
F563 Acorn Nut |