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
0244FA00849 5/8"-11 3/4" Fully Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01064 5/8"-11 7/8" Fully Threaded - UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00851 5/8"-11 1" Fully Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00853 5/8"-11 1 1/4" Fully Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00854 5/8"-11 1 1/2" Fully Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00855 5/8"-11 1 3/4" Fully Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00840 5/8"-11 2" Fully Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00841 5/8"-11 2 1/4" Fully Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00558 5/8"-11 2 1/4" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00842 5/8"-11 2 1/2" Fully Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00559 5/8"-11 2 1/2" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00668 5/8"-11 2 3/4" Fully Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00560 5/8"-11 2 3/4" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00843 5/8"-11 3" Fully Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00561 5/8"-11 3" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01179 5/8"-11 3 1/4" Fully Threaded - UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00562 5/8"-11 3 1/4" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00844 5/8"-11 3 1/2" Fully Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00563 5/8"-11 3 1/2" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01180 5/8"-11 3 3/4" Fully Threaded - UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00564 5/8"-11 3 3/4" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00845 5/8"-11 4" Fully Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00565 5/8"-11 4" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00954 5/8"-11 4 1/4" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 70000 psi Rockwell B70
0244FA00846 5/8"-11 4 1/2" Fully Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00566 5/8"-11 4 1/2" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00955 5/8"-11 4 3/4" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 70000 psi Rockwell B70
0244FA00847 5/8"-11 5" Fully Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00567 5/8"-11 5" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01065 5/8"-11 5 1/4" Partially Threaded - UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01181 5/8"-11 5 1/2" Fully Threaded - UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00568 5/8"-11 5 1/2" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00848 5/8"-11 6" Fully Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00569 5/8"-11 6" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00570 5/8"-11 6 1/2" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00850 5/8"-11 7" Fully Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00571 5/8"-11 7" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00572 5/8"-11 7 1/2" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00852 5/8"-11 8" Fully Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00573 5/8"-11 8" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00574 5/8"-11 9" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01066 5/8"-11 9 1/2" Partially Threaded - UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01182 5/8"-11 10" Fully Threaded - UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00575 5/8"-11 10" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01067 5/8"-11 10 1/2" Partially Threaded - UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00576 5/8"-11 11" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01068 5/8"-11 11 1/2" Partially Threaded - UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01183 5/8"-11 12" Fully Threaded - UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00577 5/8"-11 12" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00417 5/8"-11 12 1/2" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00418 5/8"-11 13" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00578 5/8"-11 14" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00419 5/8"-11 15" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00579 5/8"-11 16" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00420 5/8"-11 18" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00580 5/8"-11 20" Partially Threaded ASME B18.2.1 UNC - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00956 5/8"-18 3/4" Fully Threaded ASME B18.2.1 UNF - 25/64" 18-8 Stainless Steel 70000 psi Rockwell B70
0244FA00734 5/8"-18 1" Fully Threaded ASME B18.2.1 UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00735 5/8"-18 1 1/4" Fully Threaded ASME B18.2.1 UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00736 5/8"-18 1 1/2" Fully Threaded ASME B18.2.1 UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00737 5/8"-18 1 3/4" Fully Threaded ASME B18.2.1 UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00738 5/8"-18 2" Fully Threaded ASME B18.2.1 UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00739 5/8"-18 2 1/4" Fully Threaded ASME B18.2.1 UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01184 5/8"-18 2 1/2" Fully Threaded - UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00394 5/8"-18 2 1/2" Partially Threaded ASME B18.2.1 UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01069 5/8"-18 2 3/4" Partially Threaded - UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01185 5/8"-18 3" Fully Threaded - UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00395 5/8"-18 3" Partially Threaded ASME B18.2.1 UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01070 5/8"-18 3 1/4" Partially Threaded - UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01186 5/8"-18 3 1/2" Fully Threaded - UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00396 5/8"-18 3 1/2" Partially Threaded ASME B18.2.1 UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01071 5/8"-18 3 3/4" Partially Threaded - UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01187 5/8"-18 4" Fully Threaded - UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00397 5/8"-18 4" Partially Threaded ASME B18.2.1 UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01188 5/8"-18 4 1/2" Fully Threaded - UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01072 5/8"-18 4 1/2" Partially Threaded - UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01189 5/8"-18 5" Fully Threaded - UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00398 5/8"-18 5" Partially Threaded ASME B18.2.1 UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01073 5/8"-18 5 1/2" Partially Threaded - UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01190 5/8"-18 6" Fully Threaded - UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00324 5/8"-18 6" Partially Threaded ASME B18.2.1 UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01074 5/8"-18 6 1/2" Partially Threaded - UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01075 5/8"-18 7" Partially Threaded - UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01076 5/8"-18 7 1/2" Partially Threaded - UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01077 5/8"-18 8" Partially Threaded - UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01078 5/8"-18 10" Partially Threaded - UNF - 25/64" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00856 3/4"-10 1" Fully Threaded ASME B18.2.1 UNC - 15/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00857 3/4"-10 1 1/4" Fully Threaded ASME B18.2.1 UNC - 15/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00858 3/4"-10 1 1/2" Fully Threaded ASME B18.2.1 UNC - 15/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00859 3/4"-10 1 3/4" Fully Threaded ASME B18.2.1 UNC - 15/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00860 3/4"-10 2" Fully Threaded ASME B18.2.1 UNC - 15/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00325 3/4"-10 2" Partially Threaded ASME B18.2.1 UNC - 15/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00861 3/4"-10 2 1/4" Fully Threaded ASME B18.2.1 UNC - 15/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00862 3/4"-10 2 1/2" Fully Threaded ASME B18.2.1 UNC - 15/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00669 3/4"-10 2 3/4" Fully Threaded ASME B18.2.1 UNC - 15/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00581 3/4"-10 2 3/4" Partially Threaded ASME B18.2.1 UNC - 15/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00863 3/4"-10 3" Fully Threaded ASME B18.2.1 UNC - 15/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00582 3/4"-10 3" Partially Threaded ASME B18.2.1 UNC - 15/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00670 3/4"-10 3 1/4" Fully Threaded ASME B18.2.1 UNC - 15/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00583 3/4"-10 3 1/4" Partially Threaded ASME B18.2.1 UNC - 15/32" 18-8 Stainless Steel 80000 psi Rockwell B70
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