18-8 Stainless Steel Hex Head Screws

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18-8 Stainless Steel Hex Head Screws

18-8 Stainless Steel Hex Head Screws offer the perfect balance of strength and exceptional corrosion resistance. Whether utilizing 18-8 for general-purpose outdoor use or 316 for marine and chemical processing environments, these fasteners maintain their integrity against moisture, salt, and harsh chemicals. Their clean aesthetic and durable performance make them the preferred choice for food processing, medical equipment, and architectural applications.

System of Measurement
Inch Metric
Specifications Met
ASME B18.2.1 ASME B18.6.3 DIN 931 DIN 933 ISO 4014, DIN 931 ISO 4017, DIN 933
Thread Size
2-56 4-40 6-32 8-32 10-24 10-32 12-24 1/4"-20 1/4"-28 5/16"-18 5/16"-24 3/8"-16 3/8"-24 7/16"-14 7/16"-20 1/2"-13 1/2"-20 9/16"-12 9/16"-18 5/8"-11 5/8"-18 3/4"-10 3/4"-16 7/8"-14 7/8"-9 1"-14 1"-8 1 1/8"-7 1 1/4"-7 1 3/8"-6 1 1/2"-6 M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24
Length
3/16" 1/4" 5/16" 3/8" 7/16" 1/2" 9/16" 5/8" 3/4" 7/8" 1" 1 1/8" 1 1/4" 1 3/8" 1 1/2" 1 5/8" 1 3/4" 1 7/8" 2" 2 1/4" 2 3/8" 2 1/2" 2 3/4" 3" 3 1/4" 3 1/2" 3 3/4" 4" 4 1/4" 4 3/8" 4 1/2" 4 3/4" 4 7/8" 5" 5 1/4" 5 1/2" 5 3/4" 6" 6 1/4" 6 1/2" 7" 7 1/2" 8" 8 1/2" 9" 9 1/2" 10" 10 1/2" 11" 11 1/2" 12" 12 1/2" 13" 13 1/2" 14" 14 1/2" 15" 16" 18" 20" 6 mm 8 mm 10 mm 12 mm 14 mm 15 mm 16 mm 18 mm 20 mm 22 mm 25 mm 30 mm 35 mm 40 mm 45 mm 50 mm 55 mm 60 mm 65 mm 70 mm 75 mm 80 mm 85 mm 90 mm 100 mm 110 mm 120 mm 130 mm 140 mm 150 mm 160 mm 170 mm 180 mm 190 mm 200 mm
Material
18-8 Stainless Steel Black-Oxide 18-8 Stainless Steel
Threading
Fully Threaded Partially Threaded
Head Height
1/16" 3/32" 7/64" 1/8" 5/32" 13/64" 15/64" 9/32" 5/16" 23/64" 25/64" 15/32" 35/64" 39/64" 11/16" 25/32" 27/32" 15/16" 2 mm 2.8 mm 3.5 mm 4 mm 5.3 mm 6.4 mm 7.5 mm 8.8 mm 10 mm 11.5 mm 12.5 mm 14 mm 15 mm
Thread Pitch
0.5 mm 0.7 mm 0.75 mm 0.8 mm 1 mm 1.25 mm 1.5 mm 1.75 mm 2 mm 2.5 mm 3 mm
Thread Diameter
0.086" 0.112" 0.138" 0.164" 0.19" 0.216" 0.25" 0.3125" 0.375" 0.4375" 0.5" 0.5625" 0.625" 0.75" 0.875" 1" 1.125" 1.25" 1.375" 1.5"
Thread Type
Metric UNC UNF UNS
Tensile Strength
70000 psi 80000 psi 100000 psi
Part Number Thread Size Length Threading Specifications Met Thread Type Head Diameter Head Height Material Tensile Strength Hardness
0244FA00466 3/8"-16 1 3/4" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01334 3/8"-16 1 3/4" Partially Threaded ASME B18.2.1 UNC - 15/64" Black-Oxide 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01149 3/8"-16 1 7/8" Fully Threaded - UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00940 3/8"-16 1 7/8" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 70000 psi Not Rated
0244FA00794 3/8"-16 2" Fully Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00467 3/8"-16 2" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01335 3/8"-16 2" Partially Threaded ASME B18.2.1 UNC - 15/64" Black-Oxide 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00795 3/8"-16 2 1/4" Fully Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00468 3/8"-16 2 1/4" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00796 3/8"-16 2 1/2" Fully Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00469 3/8"-16 2 1/2" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01336 3/8"-16 2 1/2" Partially Threaded ASME B18.2.1 UNC - 15/64" Black-Oxide 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00799 3/8"-16 2 3/4" Fully Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00470 3/8"-16 2 3/4" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00798 3/8"-16 3" Fully Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00471 3/8"-16 3" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01337 3/8"-16 3" Partially Threaded ASME B18.2.1 UNC - 15/64" Black-Oxide 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00888 3/8"-16 3 1/4" Fully Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00472 3/8"-16 3 1/4" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00797 3/8"-16 3 1/2" Fully Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00473 3/8"-16 3 1/2" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00800 3/8"-16 3 3/4" Fully Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00474 3/8"-16 3 3/4" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00801 3/8"-16 4" Fully Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00475 3/8"-16 4" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00802 3/8"-16 4 1/4" Fully Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00476 3/8"-16 4 1/4" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00803 3/8"-16 4 1/2" Fully Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00477 3/8"-16 4 1/2" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00804 3/8"-16 4 3/4" Fully Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00478 3/8"-16 4 3/4" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00805 3/8"-16 5" Fully Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00479 3/8"-16 5" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00949 3/8"-16 5 1/4" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 70000 psi Rockwell B70
0244FA01150 3/8"-16 5 1/2" Fully Threaded - UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00480 3/8"-16 5 1/2" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00950 3/8"-16 5 3/4" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 70000 psi Rockwell B70
0244FA00806 3/8"-16 6" Fully Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00481 3/8"-16 6" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01151 3/8"-16 6 1/2" Fully Threaded - UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00482 3/8"-16 6 1/2" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00807 3/8"-16 7" Fully Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00483 3/8"-16 7" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00484 3/8"-16 7 1/2" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00808 3/8"-16 8" Fully Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00485 3/8"-16 8" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00486 3/8"-16 8 1/2" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01152 3/8"-16 9" Fully Threaded - UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00487 3/8"-16 9" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00488 3/8"-16 9 1/2" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01153 3/8"-16 10" Fully Threaded - UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00489 3/8"-16 10" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01017 3/8"-16 10 1/2" Partially Threaded - UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00490 3/8"-16 11" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00491 3/8"-16 12" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00402 3/8"-16 13" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00403 3/8"-16 14" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00404 3/8"-16 16" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00405 3/8"-16 18" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00406 3/8"-16 20" Partially Threaded ASME B18.2.1 UNC - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00696 3/8"-24 1/2" Fully Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00697 3/8"-24 5/8" Fully Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00698 3/8"-24 3/4" Fully Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01018 3/8"-24 7/8" Fully Threaded - UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00699 3/8"-24 1" Fully Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01019 3/8"-24 1 1/8" Fully Threaded - UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00700 3/8"-24 1 1/4" Fully Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00701 3/8"-24 1 1/2" Fully Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00358 3/8"-24 1 1/2" Partially Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00702 3/8"-24 1 3/4" Fully Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00359 3/8"-24 1 3/4" Partially Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00703 3/8"-24 2" Fully Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00360 3/8"-24 2" Partially Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00889 3/8"-24 2 1/4" Fully Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00361 3/8"-24 2 1/4" Partially Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00704 3/8"-24 2 1/2" Fully Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00362 3/8"-24 2 1/2" Partially Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01154 3/8"-24 2 3/4" Fully Threaded - UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00366 3/8"-24 2 3/4" Partially Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00705 3/8"-24 3" Fully Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00363 3/8"-24 3" Partially Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01020 3/8"-24 3 1/4" Partially Threaded - UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01155 3/8"-24 3 1/2" Fully Threaded - UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00364 3/8"-24 3 1/2" Partially Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01021 3/8"-24 3 3/4" Partially Threaded - UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01156 3/8"-24 4" Fully Threaded - UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00365 3/8"-24 4" Partially Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01022 3/8"-24 4 1/4" Partially Threaded - UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00367 3/8"-24 4 1/2" Partially Threaded ASME B18.2.1 UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01023 3/8"-24 5" Partially Threaded - UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01024 3/8"-24 5 1/2" Partially Threaded - UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01025 3/8"-24 6" Partially Threaded - UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01026 3/8"-24 6 1/2" Partially Threaded - UNF - 15/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00809 7/16"-14 3/4" Fully Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01027 7/16"-14 7/8" Fully Threaded - UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00810 7/16"-14 1" Fully Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01028 7/16"-14 1 1/8" Fully Threaded - UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00811 7/16"-14 1 1/4" Fully Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01029 7/16"-14 1 3/8" Fully Threaded - UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00706 7/16"-14 1 1/2" Fully Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
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