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
0244FA00828 1/2"-13 4 3/4" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00538 1/2"-13 4 3/4" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00829 1/2"-13 5" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00539 1/2"-13 5" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00952 1/2"-13 5 1/4" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 70000 psi Rockwell B70
0244FA00830 1/2"-13 5 1/2" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00540 1/2"-13 5 1/2" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00953 1/2"-13 5 3/4" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 70000 psi Rockwell B70
0244FA00831 1/2"-13 6" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00541 1/2"-13 6" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00552 1/2"-13 6 1/2" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00832 1/2"-13 7" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00542 1/2"-13 7" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00553 1/2"-13 7 1/2" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00833 1/2"-13 8" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00554 1/2"-13 8" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00555 1/2"-13 8 1/2" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00543 1/2"-13 9" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00544 1/2"-13 9 1/2" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01171 1/2"-13 10" Fully Threaded - UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00545 1/2"-13 10" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01040 1/2"-13 10 1/2" Partially Threaded - UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00546 1/2"-13 11" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01041 1/2"-13 11 1/2" Partially Threaded - UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01172 1/2"-13 12" Fully Threaded - UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00547 1/2"-13 12" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00412 1/2"-13 12 1/2" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00413 1/2"-13 13" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00414 1/2"-13 13 1/2" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00548 1/2"-13 14" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00415 1/2"-13 14 1/2" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00416 1/2"-13 15" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00549 1/2"-13 16" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00322 1/2"-13 18" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00323 1/2"-13 20" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00664 1/2"-20 1/2" Fully Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00665 1/2"-20 5/8" Fully Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00723 1/2"-20 3/4" Fully Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00724 1/2"-20 1" Fully Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00725 1/2"-20 1 1/4" Fully Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00726 1/2"-20 1 1/2" Fully Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00727 1/2"-20 1 3/4" Fully Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00728 1/2"-20 2" Fully Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00382 1/2"-20 2" Partially Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00729 1/2"-20 2 1/4" Fully Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00383 1/2"-20 2 1/4" Partially Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00730 1/2"-20 2 1/2" Fully Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00384 1/2"-20 2 1/2" Partially Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01173 1/2"-20 2 3/4" Fully Threaded - UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00385 1/2"-20 2 3/4" Partially Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00731 1/2"-20 3" Fully Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00386 1/2"-20 3" Partially Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01174 1/2"-20 3 1/2" Fully Threaded - UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00387 1/2"-20 3 1/2" Partially Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01042 1/2"-20 3 3/4" Partially Threaded - UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01175 1/2"-20 4" Fully Threaded - UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00388 1/2"-20 4" Partially Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01043 1/2"-20 4 1/4" Partially Threaded - UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01176 1/2"-20 4 1/2" Fully Threaded - UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00389 1/2"-20 4 1/2" Partially Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01044 1/2"-20 4 3/4" Partially Threaded - UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01177 1/2"-20 5" Fully Threaded - UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00390 1/2"-20 5" Partially Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01045 1/2"-20 5 1/2" Partially Threaded - UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01178 1/2"-20 6" Fully Threaded - UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00391 1/2"-20 6" Partially Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01046 1/2"-20 6 1/2" Partially Threaded - UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01047 1/2"-20 7" Partially Threaded - UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01048 1/2"-20 7 1/2" Partially Threaded - UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00666 1/2"-20 8" Partially Threaded ASME B18.2.1 UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01049 1/2"-20 10" Partially Threaded - UNF - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01050 9/16"-12 3/4" Fully Threaded - UNC - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00836 9/16"-12 1" Fully Threaded ASME B18.2.1 UNC - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00837 9/16"-12 1 1/4" Fully Threaded ASME B18.2.1 UNC - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00838 9/16"-12 1 1/2" Fully Threaded ASME B18.2.1 UNC - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01051 9/16"-12 1 3/4" Fully Threaded - UNC - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00839 9/16"-12 2" Fully Threaded ASME B18.2.1 UNC - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01052 9/16"-12 2 1/4" Partially Threaded - UNC - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00556 9/16"-12 2 1/2" Partially Threaded ASME B18.2.1 UNC - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01053 9/16"-12 2 3/4" Partially Threaded - UNC - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00557 9/16"-12 3" Partially Threaded ASME B18.2.1 UNC - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00492 9/16"-12 3 1/2" Partially Threaded ASME B18.2.1 UNC - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00493 9/16"-12 4" Partially Threaded ASME B18.2.1 UNC - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00494 9/16"-12 5" Partially Threaded ASME B18.2.1 UNC - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01054 9/16"-12 5 1/2" Partially Threaded - UNC - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00495 9/16"-12 6" Partially Threaded ASME B18.2.1 UNC - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00667 9/16"-18 1" Fully Threaded ASME B18.2.1 UNF - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01055 9/16"-18 1 1/4" Fully Threaded - UNF - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00732 9/16"-18 1 1/2" Fully Threaded ASME B18.2.1 UNF - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01056 9/16"-18 1 3/4" Fully Threaded - UNF - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00733 9/16"-18 2" Fully Threaded ASME B18.2.1 UNF - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01057 9/16"-18 2 1/4" Partially Threaded - UNF - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00392 9/16"-18 2 1/2" Partially Threaded ASME B18.2.1 UNF - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01058 9/16"-18 2 3/4" Partially Threaded - UNF - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00393 9/16"-18 3" Partially Threaded ASME B18.2.1 UNF - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01059 9/16"-18 3 1/2" Partially Threaded - UNF - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01060 9/16"-18 4" Partially Threaded - UNF - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01061 9/16"-18 4 1/2" Partially Threaded - UNF - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01062 9/16"-18 5" Partially Threaded - UNF - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01063 9/16"-18 5 1/2" Partially Threaded - UNF - 23/64" 18-8 Stainless Steel 80000 psi Rockwell B70
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