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
0244FA01157 7/16"-14 1 3/4" Fully Threaded - UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00499 7/16"-14 1 3/4" Partially Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00707 7/16"-14 2" Fully Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00501 7/16"-14 2" Partially Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01158 7/16"-14 2 1/4" Fully Threaded - UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00502 7/16"-14 2 1/4" Partially Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00708 7/16"-14 2 1/2" Fully Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00503 7/16"-14 2 1/2" Partially Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01159 7/16"-14 2 3/4" Fully Threaded - UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00504 7/16"-14 2 3/4" Partially Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00709 7/16"-14 3" Fully Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00505 7/16"-14 3" Partially Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01160 7/16"-14 3 1/4" Fully Threaded - UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00506 7/16"-14 3 1/4" Partially Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00710 7/16"-14 3 1/2" Fully Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00507 7/16"-14 3 1/2" Partially Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01161 7/16"-14 3 3/4" Fully Threaded - UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01030 7/16"-14 3 3/4" Partially Threaded - UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01162 7/16"-14 4" Fully Threaded - UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00508 7/16"-14 4" Partially Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01163 7/16"-14 4 1/2" Fully Threaded - UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00496 7/16"-14 4 1/2" Partially Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01164 7/16"-14 5" Fully Threaded - UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00497 7/16"-14 5" Partially Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01165 7/16"-14 5 1/2" Fully Threaded - UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00498 7/16"-14 5 1/2" Partially Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01166 7/16"-14 6" Fully Threaded - UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00500 7/16"-14 6" Partially Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00407 7/16"-14 6 1/2" Partially Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00408 7/16"-14 7" Partially Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00409 7/16"-14 8" Partially Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00410 7/16"-14 10" Partially Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00411 7/16"-14 12" Partially Threaded ASME B18.2.1 UNC - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00718 7/16"-20 3/4" Fully Threaded ASME B18.2.1 UNF - 9/32" 18-8 Stainless Steel 70000 psi Rockwell B70
0244FA01031 7/16"-20 7/8" Fully Threaded - UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00719 7/16"-20 1" Fully Threaded ASME B18.2.1 UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01032 7/16"-20 1 1/8" Fully Threaded - UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00720 7/16"-20 1 1/4" Fully Threaded ASME B18.2.1 UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00721 7/16"-20 1 1/2" Fully Threaded ASME B18.2.1 UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00375 7/16"-20 1 3/4" Partially Threaded ASME B18.2.1 UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00722 7/16"-20 2" Fully Threaded ASME B18.2.1 UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00376 7/16"-20 2" Partially Threaded ASME B18.2.1 UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00377 7/16"-20 2 1/4" Partially Threaded ASME B18.2.1 UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01167 7/16"-20 2 1/2" Fully Threaded - UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00378 7/16"-20 2 1/2" Partially Threaded ASME B18.2.1 UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01033 7/16"-20 2 3/4" Partially Threaded - UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01168 7/16"-20 3" Fully Threaded - UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00379 7/16"-20 3" Partially Threaded ASME B18.2.1 UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01034 7/16"-20 3 1/4" Partially Threaded - UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01169 7/16"-20 3 1/2" Fully Threaded - UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00380 7/16"-20 3 1/2" Partially Threaded ASME B18.2.1 UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01035 7/16"-20 3 3/4" Partially Threaded - UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01170 7/16"-20 4" Fully Threaded - UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00381 7/16"-20 4" Partially Threaded ASME B18.2.1 UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01036 7/16"-20 4 1/2" Partially Threaded - UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01037 7/16"-20 5" Partially Threaded - UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01038 7/16"-20 5 1/2" Partially Threaded - UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01039 7/16"-20 6" Partially Threaded - UNF - 9/32" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00834 1/2"-13 1/2" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00835 1/2"-13 5/8" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00812 1/2"-13 3/4" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00813 1/2"-13 7/8" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00814 1/2"-13 1" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01338 1/2"-13 1" Fully Threaded ASME B18.2.1 UNC - 5/16" Black-Oxide 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00815 1/2"-13 1 1/8" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00816 1/2"-13 1 1/4" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01339 1/2"-13 1 1/4" Fully Threaded ASME B18.2.1 UNC - 5/16" Black-Oxide 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00818 1/2"-13 1 3/8" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00318 1/2"-13 1 3/8" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00817 1/2"-13 1 1/2" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01340 1/2"-13 1 1/2" Partially Threaded ASME B18.2.1 UNC - 5/16" Black-Oxide 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00320 1/2"-13 1 5/8" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00819 1/2"-13 1 3/4" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00321 1/2"-13 1 3/4" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01341 1/2"-13 1 3/4" Partially Threaded ASME B18.2.1 UNC - 5/16" Black-Oxide 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00951 1/2"-13 1 7/8" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 70000 psi Rockwell B70
0244FA00820 1/2"-13 2" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00529 1/2"-13 2" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01342 1/2"-13 2" Partially Threaded ASME B18.2.1 UNC - 5/16" Black-Oxide 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00821 1/2"-13 2 1/4" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00530 1/2"-13 2 1/4" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00822 1/2"-13 2 1/2" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00531 1/2"-13 2 1/2" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01343 1/2"-13 2 1/2" Partially Threaded ASME B18.2.1 UNC - 5/16" Black-Oxide 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00823 1/2"-13 2 3/4" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00532 1/2"-13 2 3/4" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00824 1/2"-13 3" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00533 1/2"-13 3" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA01344 1/2"-13 3" Partially Threaded ASME B18.2.1 UNC - 5/16" Black-Oxide 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00662 1/2"-13 3 1/4" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00550 1/2"-13 3 1/4" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00825 1/2"-13 3 1/2" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00534 1/2"-13 3 1/2" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00663 1/2"-13 3 3/4" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00551 1/2"-13 3 3/4" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00826 1/2"-13 4" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00535 1/2"-13 4" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00536 1/2"-13 4 1/4" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00827 1/2"-13 4 1/2" Fully Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
0244FA00537 1/2"-13 4 1/2" Partially Threaded ASME B18.2.1 UNC - 5/16" 18-8 Stainless Steel 80000 psi Rockwell B70
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