Commercial wrought nonferrous bolts, hex cap screws, and studs and socket head cap screws in common use and intended for general service applications
Adfast Component LTD offers top-quality commercial wrought nonferrous bolts, hex cap screws, and studs designed for a wide range of general service applications. Our products comply with ASTM F468 / F468M standards, covering imperial sizes ranging from 1/4 inch to 1 1/2 inches and metric sizes from M1 to M36. Additionally, we provide socket head cap screws, including button head and flat countersunk configurations, manufactured using durable alloys to ensure long-lasting performance.
We prioritize quality at every stage, ensuring our fasteners meet all specified requirements. Whether cold formed, hot formed, or machined, our products deliver exceptional reliability. For compatible nuts, refer to ASTM F467 / F467M. Trust Adfast Component LTD for superior nonferrous fasteners tailored to meet your application needs.
| UNS Designation Number | Alloy | General Name | Al | Cu, min | Fe,max | Mn,max | Ni,max | P | Si | Zn, max A | Pb,max | Tin | As,max |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ASTM F468 Grade C11000 | 110 | ETP copper | . . . | 99.9 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . |
| ASTM F468 Grade C26000 | 260 | brass | . . . | 68.5-71.5 | 0.05 | . . . | . . . | . . . | . . . | balance | 0.07 | . . . | . . . |
| ASTM F468 Grade C27000 | 270 | brass | . . . | 63.0-68.5 | 0.07 | . . . | . . . | . . . | . . . | balance | 0.10 | . . . | . . . |
| ASTM F468 Grade C46200 | 462 | naval brass | . . . | 62.0-65.0 | 0.10 | . . . | . . . | . . . | . . . | balance | 0.20 | 0.5-1.0 | . . . |
| ASTM F468 Grade C46400 | 464 | naval brass | . . . | 59.0-62.0 | 0.10 | . . . | . . . | . . . | . . . | balance | 0.20 | 0.5-1.0 | . . . |
| ASTM F468 Grade C51000 | 510 | phosphor bronze | . . . | balanceA | 0.10 | . . . | . . . | 0.03-0.35 | . . . | 0.30 | 0.05 | 4.2-5.8 | . . . |
| ASTM F468 Grade C61300 | 613 | aluminum bronze | 6.0-7.5 | B | 2.0-3.0 | 0.10 | 0.15C | 0.015 | 0.10 | 0.05 | 0.01 | 0.20-0.50 | . . . |
| ASTM F468 Grade C61400 | 614 | aluminum bronze | 6.0-8.0 | 88.0D | 1.5-3.5 | 1.0 | . . . | . . . | . . . | . . . | . . . | . . . | . . . |
| ASTM F468 Grade C63000 | 630 | aluminum bronze | 9.0-11.0 | 78.0D | 2.0-4.0 | 1.5 | 4.0-5.5 | . . . | 0.25 max | . . . | . . . | 0.20 max | . . . |
| ASTM F468 Grade C64200 | 642 | aluminum silicon bronze | 6.3-7.6 | 88.65D | 0.30 | 0.10 | 0.25 | . . . | 1.5-2.2E | 0.50 | 0.05 | 0.20 max | 0.15 |
| ASTM F468 Grade C65100 | 651 | silicon bronze | . . . | 96.0D | 0.8 | 0.7 | . . . | . . . | 0.8-2.0 | 1.5 | 0.05 | . . . | . . . |
| ASTM F468 Grade C65500 | 655 | silicon bronze | . . . | 94.8D | 0.8 | 1.5 | 0.6 | . . . | 2.8-3.8 | 1.5 | 0.05 | . . . | . . . |
| ASTM F468 Grade C66100 | 661 | silicon bronze | 0.25 max | 94.0D | 0.25 | 1.5 | . . . | . . . | 2.8-3.5 | 1.5 | 0.20-0.8 | . . . | . . . |
| ASTM F468 Grade C67500 | 675 | manganese bronze | . . . | 57.0-60.0 | 0.8-2.0 | 0.05-0.5 | . . . | . . . | . . . | balance | 0.20 | 0.5-1.5 | . . . |
| ASTM F468 Grade C71000 | 710 | cupro-nickel | . . . | 74.0D | 0.60 | 1.00 | 19.0-23.0C | . . . | . . . | 1.00 | 0.05 | . . . | . . . |
| ASTM F468 Grade C71500 | 715 | cupro-nickel | . . . | 65.0D | 0.40-0.7 | 1.00 | 29.0-33.0C | . . . | . . . | 1.00 | 0.05 | . . . | . . . |
| |||||||||||||
| UNS Designation Number | Alloy | General Name | Al | C, max | Cr | CuA | Fe, max | Mn, max | NiA | P, max | Si, max | Ti | Co, max | Mo | S, max | V | W | Cb |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ASTM F468 Grade N10001 | 335 | Ni-Mo | . . . | 0.05 | 1.0 max | . . . | 4.0- 6.0 | 1.0 | balance | 0.025 | 1.00 | . . . | 2.50 | 26.0- 30.0 | 0.030 | 0.2- 0.4 | . . . | . . . |
| ASTM F468 Grade N10276 | 276 | Ni-Mo-Cr | . . . | 0.02 | 14.5- 16.5 | . . . | 4.0- 7.0 | 1.00 | balance | 0.040 | 0.08 | . . . | 2.50 | 15.0- 17.0 | 0.030 | 0.35 max | 3.0- 4.5 | . . . |
| ASTM F468 Grade N04400 | 400 | Ni-Cu Class A | . . . | 0.3 | . . . | balance | 2.5 | 2.0 | 63.0- 70.0 | . . . | 0.5 | . . . | B | . . . | 0.024 | . . . | . . . | . . . |
| ASTM F468 Grade N04405 | 405 | Ni-Cu Class B | . . . | 0.3 | . . . | balance | 2.5 | 2.0 | 63.0- 70.0 | . . . | 0.5 | . . . | B | . . . | 0.025- 0.060 | . . . | . . . | . . . |
| ASTM F468 Grade N05500 | 500 | Ni-Cu-Al | 2.30- 3.15 | 0.25 | . . . | balance | 2.0 | 1.5 | 63.0- 70.0 | … | 0.5 | 0.35- 0.85 | B | . . . | 0.01 | . . . | . . . | . . . |
| ASTM F468 Grade N06059 | 59 | Ni-Cr-Mo | 0.1- 0.4 | 0.010 max | 22.0- 24.0 | 0.5 max | 1.5 max | 0.5 max | balance | 0.015 max | 0.10 max | . . | 0.3 max | 15.0- 16.5 | 0.010 max | . . . | . . . | . . . |
| ASTM F468 Grade N06625 | 625C | Ni-Cr-Mo-Cb | 0.40 max | 0.10† | 20.0- 23.0 | . . . | 5.0 max | 0.50 | 58.0 min | 0.015 | 0.50 max | 0.40 max | 1.00 max | 8.0- 10.0 | 0.015 | . . . | . . . | 3.2- 4.2 |
| ASTM F468 Grade N06686 | 686 | Ni-Cr-Mo-W | . . . | 0.010 max | 19.0- 23.0 | . . . | 5.0 max | 0.75 max | balance | 0.04 max | 0.08 max | 0.02- 0.25 | 15.0- 17.0 | 0.02 max | . . . | 3.0- 4.4 | . . . | |
| ||||||||||||||||||
| UNS Designation Number | Alloy | General Name | AlB | Cr | Cu | Fe, max | Mn, max | Si, max | Ti, max | Zn, max | Mg | Other Elements, max | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Each | Total | |||||||||||||
| ASTM F468 Grade A92024 | 2024 | Aluminum 2024 | balance | 0.10 max | 3.8-4.9 | 0.50 | 0.30-0.9 | 0.50 | 0.15C | 0.25 | 1.2-1.8 | 0.05 | 0.15 | |
| ASTM F468 Grade A96061 | 6061 | Aluminum 6061 | balance | 0.04-0.35 | 0.15-0.40 | 0.7 | 0.15 | 0.40-0.8 | 0.15 | 0.25 | 0.8-1.2 | 0.05 | 0.15 | |
| ASTM F468 Grade A97075 | 7075 | Aluminum 7075 | balance | 0.18-0.35 | 1.2-2.0 | 0.50 | 0.30 | 0.40 | 0.20D | 5.1-6.1 | 2.1-2.9 | 0.05 | 0.15 | |
| ||||||||||||||
| UNS Designation Number | Alloy | General Name | Al | C | Fe | Ti | H | N | O | Pd | V | Cr | Mo | Zr | Sn | Si | Ru | ResidualsB | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Each, max | Total, max | |||||||||||||||||||
| ASTM F468 Grade R50250 | 1 | Titanium Gr 1 | . . . | 0.10 | 0.20 | balance | 0.0125 | 0.05 | 0.18 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . | 0.1 | 0.4 | |
| ASTM F468 Grade R50400 | 2 | Titanium Gr 2 | . . . | 0.10 | 0.30 | balance | 0.0125 | 0.05 | 0.25 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . | 0.1 | 0.4 | |
| ASTM F468 Grade R50700 | 4 | Titanium Gr 4 | . . . | 0.10 | 0.50 | balance | 0.0125 | 0.07 | 0.40 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . | 0.1 | 0.4 | |
| ASTM F468 Grade R56400 | 5C | Titanium Gr 5C | 5.5- 6.75 | 0.10 | 0.40 | balance | 0.0125 | 0.05 | 0.20 | . . . | 3.5- 4.5 | . . . | . . . | . . . | . . . | . . . | . . . | 0.1 | 0.4 | |
| ASTM F468 Grade R56401 | 23 | Titanium Ti-6Al-4V ELI | 5.5- 6.5 | 0.08 | 0.25 | balance | 0.0125 | 0.05 | 0.13 | . . . | 3.5- 4.5 | . . . | . . . | . . . | . . . | . . . | . . . | 0.1 | 0.4 | |
| ASTM F468 Grade R52400 | 7 | Titanium Gr 7 | . . . | 0.10 | 0.30 | balance | 0.0125 | 0.05 | 0.25 | 0.12- 0.25 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | 0.1 | 0.4 | |
| ASTM F468 Grade R58640 | 19 | Titanium Ti-38-6-44 | 3.0- 4.0 | 0.05 | 0.30 | balance | 0.0200 | 0.03 | 0.12 | 0.10D | 7.5- 8.5 | 5.5- 6.5 | 3.5- 4.5 | 3.5- 4.5 | . . . | . . . | 0.10D | 0.15 | 0.4 | |
| ASTM F468 Grade R55111 | 32 | Titanium Ti-5-1-1-1 | 4.5- 5.5 | 0.08 | 0.25 | balance | 0.0125 | 0.03 | 0.11 | . . . | 0.6- 1.4 | . . . | 0.6- 1.2 | 0.6- 1.4 | 0.6- 1.4 | 0.06- 0.14 | . . . | 0.1 | 0.4 | |
| ||||||||||||||||||||
| Alloy | Mechanical Property Marking | Nominal Thread Diameter, in. | HardnessA | Full-Size TestsB | Machined Specimen Tests | |||
|---|---|---|---|---|---|---|---|---|
| Tensile Strength, ksi | Yield Strength, min, ksiC | Tensile Strength, min, ksi | Yield Strength min, ksiC | Elongation in 4D, min, %D | ||||
| ASTM F468 Alloy Cu 110 | F468A | All | 65-90 HRB | 30-50 | 10 | 30 | 10 | 15 |
| ASTM F468 Alloy Cu 260 | F468AB | All | 55-80 HRB | 60-90 | 50 | 55 | 50 | 35 |
| ASTM F468 Alloy Cu 270 | F468B | All | 55-80 HRB | 60-90 | 50 | 55 | 50 | 35 |
| ASTM F468 Alloy Cu 462 | F468C | All | 65-90 HRB | 50-80 | 25 | 50 | 25 | 20 |
| ASTM F468 Alloy Cu 464 | F 468D | All | 55-75 HRB | 50-80 | 15 | 50 | 15 | 25 |
| ASTM F468 Alloy Cu 510 | F468E | All | 60-95 HRB | 60-90 | 35 | 55 | 30 | 15 |
| ASTM F468 Alloy Cu 613 | F 468F | 0.250-0.500 | 70-95 HRB | 80-110 | 50 | 80 | 50 | 30 |
| 0.625-1.500 | 70-95 HRB | 75-105 | 45 | 75 | 45 | 30 | ||
| ASTM F468 Alloy Cu 630 | F468H | All | 85-100 HRB | 100-130 | 50 | 100 | 50 | 5 |
| ASTM F468 Alloy Cu 642 | 468J | All | 75-95 HRB | 75-110 | 35 | 75 | 35 | 10 |
| ASTM F468 Alloy Cu 630 | F468H | All | 85-100 HRB | 100-130 | 50 | 100 | 50 | 5 |
| ASTM F468 Alloy Cu 642 | 468J | All | 75-95 HRB | 75-110 | 35 | 75 | 35 | 10 |
| ASTM F468 Alloy Cu 651 | F 468K | 0.250 to 0.750 | 75-95 HRB | 70-100 | 55 | 70 | 53 | 8 |
| 0.875-1.500 | 70-95 HRB | 55-90 | 40 | 54 | 38 | 8 | ||
| ASTM F468 Alloy Cu 655 | F468L | All | 60-80 HRB | 50-80 | 20 | 50 | 15 | 20 |
| ASTM F468 Alloy Cu 661 | F468M | All | 75-95 HRB | 70-100 | 35 | 70 | 35 | 15 |
| ASTM F468 Alloy Cu 675 | F468N | All | 60-90 HRB | 55-85 | 25 | 55 | 25 | 20 |
| ASTM F468 Alloy Cu 710 | F468P | All | 50-85 HRB | 45-75 | 15 | 45 | 15 | 40 |
| ASTM F468 Alloy Cu 715 | F468R | All | 60-95 HRB | 55-85 | 20 | 55 | 20 | 45 |
| ASTM F468 Alloy Ni 59 Grade 1 | F468FN | All | 21-45 HRC | 120-165 | 85 | 120 | 85 | 20 |
| ASTM F468 Alloy Ni 59 Grade 2 | F468GN | All | 23-47 HRC | 135-185 | 125 | 135 | 125 | 20 |
| ASTM F468 Alloy Ni 59 Grade 3 | F468HN | All | 25-49 HRC | 160-200 | 150 | 160 | 150 | 20 |
| ASTM F468 Alloy Ni 59 Grade 4 | F468JN | All | 80 HRB-25 HRC | 100-145 | 45 | 100 | 45 | 25 |
| ASTM F468 Alloy 276 | F468T | All | 20-32 HRC | 110-140 | 45 | 110 | 45 | 25 |
| ASTM F468 Alloy Ni 400 | F 468U | 0.250 to 0.750 | 75 HRB-25 HRC | 80-130 | 40 | 80 | 40 | 20 |
| 0.875 to 1.500 | 60 HRB-25 HRC | 70-130 | 30 | 70 | 30 | 20 | ||
| ASTM F468 Alloy Ni 400 | F468U4 | 0.875 to 1.500 | 75 HRB-25 HRC | 80-130 | 40 | 80 | 40 | 20 |
| ASTM F468 Alloy Ni 400 HFE | F468HF | All | 60-95 HRB | 70-120 | 30 | 70 | 30 | 20 |
| ASTM F468 Alloy Ni 405 | F468V | All | 60 HRB-20 HRC | 70-125 | 30 | 70 | 30 | 20 |
| ASTM F468 Alloy Ni 500 | F 468W | 0.250 to 0.875 | 24-37 HRC | 130-180 | 90 | 130 | 90 | 20 |
| 1.000 to 1.500 | 24-37 HRC | 130-180 | 85 | 130 | 58 | 20 | ||
| ASTM F468 Alloy Ni 625 | F468AC | All | 85 HRB-35 HRC | 120 | 60 | 120 | 60 | 30 |
| ASTM F468 Alloy Ni 686 Grade 1 | F468BN | All | 21-45 HRC | 120-165 | 85 | 120 | 85 | 20 |
| ASTM F468 Alloy Ni 686 Grade 2 | F468CN | All | 23-47 HRC | 135-185 | 125 | 135 | 125 | 20 |
| ASTM F468 Alloy Ni 686 Grade 3 | F468DN | All | 25-49 HRC | 160-200 | 150 | 160 | 150 | 20 |
| ASTM F468 Alloy Ni 686 Grade 4 | F468EN | All | 65 HRB-25 HRC | 100-145 | 45 | 100 | 45 | 25 |
| ASTM F468 Alloy Al 2024-T4F | F468X | All | 70-85 HRB | 55-70 | 36 | 62 | 40 | 10 |
| Al 6061-T6F | F468Y | All | 40-50 HRB | 37-52 | 31 | 42 | 35 | 10 |
| ASTM F468 Alloy Al 7075-T73F | F468Z | All | 80-90 HRB | 61-76 | 50 | 68 | 56 | 10 |
| ASTM F468 Alloy Ti 1 | F468AT | All | 140-160 HV | 35-70 | 30 | 35 | 25 | 24 |
| ASTM F468 Alloy Ti 2 | F468BT | All | 160-180 HV | 50-85 | 45 | 50 | 40 | 20 |
| ASTM F468 Alloy Ti 4 | F468CT | All | 200-220 HV | 80-115 | 75 | 80 | 70 | 15 |
| ASTM F468 Alloy Ti 5 Class AH | F468DT | All | 30-39 HRC | 130-165 | 125 | 130 | 120 | 10 |
| ASTM F468 Alloy Ti 5 Class BH | F468HT | All | 30-39 HRC | 130-165 | 125 | 130 | 120 | 10 |
| ASTM F468 Alloy Ti 7 | F468ET | All | 160-180 HV | 50-85 | 45 | 50 | 40 | 20 |
| ASTM F468 Alloy Ti 19 | F468FT | All | 24-38 HRC | 115-150 | 115 | 120 | 115 | 15 |
| ASTM F468 Alloy Ti 23 | F468GT | All | 25-36 HRC | 120-165 | 110 | 120 | 110 | 10 |
| ASTM F468 Alloy Ti-5-1-1-1 | F468HT | All | 24-38 HRC | 105-150 | 90 | 100 | 85 | 10 |
| ||||||||
| Nominal Size, in. | Coarse Threads-UNC | Fine Threads-UNF | 8 Thread Series-8UN | |||
|---|---|---|---|---|---|---|
| Threads/ in. | Stress AreaA, in.2 | Threads/ in. | Stress AreaA, in.2 | Threads/ in. | Stress AreaA, in.2 | |
| 1/4 | 20 | 0.0318 | 28 | 0.0364 | . . . | . . . |
| 5/16 | 18 | 0.0524 | 24 | 0.0580 | . . . | . . . |
| 3/18 | 16 | 0.0775 | 24 | 0.0878 | . . . | . . . |
| 7/16 | 14 | 0.1063 | 20 | 0.1187 | . . . | . . . |
| 1/2 | 13 | 0.1419 | 20 | 0.1599 | . . . | . . . |
| 9/16 | 12 | 0.1820 | 18 | 0.2030 | . . . | . . . |
| 5/8 | 11 | 0.2260 | 18 | 0.2560 | . . . | . . . |
| 3/4 | 10 | 0.3340 | 16 | 0.3730 | . . . | . . . |
| 7/8 | 9 | 0.4620 | 14 | 0.5090 | . . . | . . . |
| 1 | 8 | 0.6060 | 12 | 0.6630 | . . . | . . . |
| 11/8 | 7 | 0.7630 | 12 | 0.8560 | 8 | 0.790 |
| 11/4 | 7 | 0.9690 | 12 | 1.0730 | 8 | 1.000 |
| 13/8 | 6 | 1.1550 | 12 | 1.3150 | 8 | 1.233 |
| 11/2 | 6 | 1.4050 | 12 | 1.5810 | 8 | 1.492 |
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| Nominal Product Diameter and Thread Pitch | Stress Area,A mm 2 | Nominal Product Diameter and Thread Pitch | Stress Area,A mm 2 |
|---|---|---|---|
| M6 × 1 | 20.1 | M16 × 2 | 157 |
| M8 × 1.25 | 36.6 | M20 × 2.5 | 245 |
| M10 × 1.5 | 58.0 | M24 × 3 | 353 |
| M12 × 1.75 | 84.3 | M30 × 3.5 | 561 |
| M14 × 2 | 115 | M36 × 4 | 817 |
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Product Shall be Marked with our manufacturing trade mark Adfast Component LTD along with the designated Grade.
Grade and manufacturer’s identification symbols shall be applied to one end of studs and to the heads of bolts and screws of all sizes. (If the available area is inadequate, the grade symbol may be marked on one end and the manufacturer’s identification symbol marked on the other end.) For bolts and screws smaller than 1⁄4 in. [6 mm] in diameter and studs smaller than 3⁄8 in. [10 mm] in diameter and for 1⁄4 in. [6 mm] in diameter studs requiring more than a total of three symbols, the marking shall be a matter of agreement between the purchaser and the manufacturer.
| Alloy | Mechanical Property Marking |
|---|---|
| ASTM F468 Alloy Cu 110 | F468A |
| ASTM F468 Alloy Cu 260 | F468AB |
| ASTM F468 Alloy Cu 270 | F468B |
| ASTM F468 Alloy Cu 462 | F468C |
| ASTM F468 Alloy Cu 464 | F468D |
| ASTM F468 Alloy Cu 510 | F468E |
| ASTM F468 Alloy Cu 613 | F468F |
| ASTM F468 Alloy Cu 630 | F468H |
| ASTM F468 Alloy Cu 642 | F468J |
| ASTM F468 Alloy Cu 630 | F468H |
| ASTM F468 Alloy Cu 642 | F468J |
| ASTM F468 Alloy Cu 651 | F468K |
| ASTM F468 Alloy Cu 655 | F468L |
| ASTM F468 Alloy Cu 661 | F468M |
| ASTM F468 Alloy Cu 675 | F468N |
| ASTM F468 Alloy Cu 710 | F468P |
| ASTM F468 Alloy Cu 715 | F468R |
| ASTM F468 Alloy Ni 59 Grade 1 | F468FN |
| ASTM F468 Alloy Ni 59 Grade 2 | F468GN |
| ASTM F468 Alloy Ni 59 Grade 3 | F468HN |
| ASTM F468 Alloy Ni 59 Grade 4 | F468JN |
| ASTM F468 Alloy 276 | F468T |
| Alloy | Mechanical Property Marking |
|---|---|
| ASTM F468 Alloy Ni 400 | F468U |
| ASTM F468 Alloy Ni 400 | F468U4 |
| ASTM F468 Alloy Ni 400 HF E | F468HF |
| ASTM F468 Alloy Ni 405 | F468V |
| ASTM F468 Alloy Ni 500 | F468W |
| ASTM F468 Alloy Ni 625 | F468AC |
| ASTM F468 Alloy Ni 686 Grade 1 | F468BN |
| ASTM F468 Alloy Ni 686 Grade 2 | F468CN |
| ASTM F468 Alloy Ni 686 Grade 3 | F468DN |
| ASTM F468 Alloy Ni 686 Grade 4 | F468EN |
| ASTM F468 Alloy Al 2024-T4 F | F468X |
| ASTM F468 Alloy Al 6061-T6 F | F468Y |
| ASTM F468 Alloy Al 7075-T73 F | F468Z |
| ASTM F468 Alloy Ti 1 | F468AT |
| ASTM F468 Alloy Ti 2 | F468BT |
| ASTM F468 Alloy Ti 4 | F468CT |
| ASTM F468 Alloy Ti 5 Class A H | F468DT |
| ASTM F468 Alloy Ti 5 Class B H | F468HT |
| ASTM F468 Alloy Ti 7 | F468ET |
| ASTM F468 Alloy Ti 19 | F468FT |
| ASTM F468 Alloy Ti 23 | F468GT |
| ASTM F468 Alloy Ti-5-1-1-1 | F468HT |
B18.31.2 Imperial Continious Thread, Double End Reduced & Full Body Studs
B18.31.1M Metric Continious Thread, Double End Reduced & Full Body StudsB18.31.3 Threaded Rods (Inch Series)
B16.5 Imperial Full Thread Stud Bolts
B16.5 Metric Full Thread Stud Bolts
B18.2.1 Imperial Square and Hex Bolts and Screws
B18.2.3.1M Metric Hex Cap Screws
B18.2.3.3M Metric Heavy Hex Screws
B18.2.3.5M Metric Hex Bolts
B18.3 Imperial Hexagon Socket and Spline Socket Screws
B18.3.1M Metric Socket Head Cap Screws
B18.6.7M Metric Machine Screws
| S1 | Stress Corrosion Requirements |
|---|---|
| S2 | Shipment Lot Testing |
| S3 | Dye Penetrant Inspection |
| S4 | Heat Control (Alloys 400, 405, and 500 Only) |