Alloy Steel Socket Head Screws

2432 products

Alloy Steel Socket Head Screws

Our Alloy Steel Socket Head Screws are manufactured to the highest industry standards, ensuring exceptional strength and performance. Whether you require the high tensile strength of alloy steel or the superior corrosion resistance of stainless steel, these fasteners are optimized for precision assembly. Ideal for use in machinery, automotive components, and structural applications, they provide a dependable solution for your most critical fastening needs. Explore our selection to find the exact specifications required for your project.

System of Measurement
Inch Metric
Specifications Met
ASME B18.3, ASTM A574 ASME B18.3, ASTM A574, ASTM B117 ASME B18.3.1M, ASTM A574M ASTM A574 ASTM A574M, DIN 912, ISO 4762 ASTM B117, DIN 912, ISO 4762 DIN 912 DIN 912, ISO 21269 DIN 912, ISO 4762 DIN 912, ISO 4762, ISO 898-1
Thread Size
0-80 1-64 1-72 2-56 2-64 3-48 3-56 4-40 4-48 5-40 5-44 6-32 6-40 8-32 8-36 10-24 10-32 12-24 1/4"-20 1/4"-28 1/4"-32 5/16"-18 5/16"-24 5/16"-32 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"-12 1"-14 1"-8 1 1/8"-12 1 1/8"-7 1 1/4"-12 1 1/4"-7 1 3/8"-6 1 1/2"-12 1 1/2"-6 1 3/4"-5 2"-4 1/2 2"-8 2 1/4"-4 1/2 2 1/4"-8 2 1/2"-4 2 1/2"-8 M1.4 M1.6 M2 M2.5 M2.6 M3 M3.5 M4 M5 M6 M7 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M42 M48
Length
1/16" 3/32" 1/8" 5/32" 3/16" 1/4" 5/16" 3/8" 7/16" 1/2" 9/16" 5/8" 11/16" 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 5/8" 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" 5" 5 1/4" 5 1/2" 5 3/4" 6" 6 1/4" 6 1/2" 6 3/4" 7" 7 1/4" 7 1/2" 8" 8 1/2" 9" 9 1/2" 10" 10 1/2" 11" 12" 13" 14" 15" 16" 18" 20" 2 mm 3 mm 4 mm 5 mm 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 95 mm 100 mm 110 mm 120 mm 130 mm 140 mm 150 mm 160 mm 170 mm 180 mm 190 mm 200 mm 210 mm 220 mm 240 mm 260 mm 300 mm 320 mm 340 mm 360 mm 400 mm
Material
Black-Oxide Alloy Steel Blue-Dyed Zinc-Plated Alloy Steel Zinc-Flake-Coated Alloy Steel Zinc-Plated Alloy Steel
Threading
Fully Threaded Partially Threaded
Head Diameter
0.096" 0.118" 9/64" 0.161" 0.183" 0.205" 0.226" 0.27" 5/16" 0.324" 3/8" 15/32" 9/16" 21/32" 3/4" 27/32" 15/16" 1 1/8" 1 5/16" 1 1/2" 1 11/16" 1 7/8" 2 1/16" 2 1/4" 2 5/8" 3" 3 3/8" 3 3/4" 2.5 mm 3 mm 3.8 mm 4.5 mm 5 mm 5.5 mm 6 mm 6.2 mm 7 mm 8.5 mm 10 mm 12 mm 13 mm 16 mm 18 mm 21 mm 24 mm 27 mm 30 mm 33 mm 36 mm 40 mm 45 mm 50 mm 54 mm 63 mm 72 mm
Head Height
0.06" 0.073" 0.086" 0.099" 0.112" 1/8" 0.138" 0.164" 0.19" 0.216" 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 3/4" 2" 2 1/4" 2 1/2" 1.4 mm 1.6 mm 2 mm 2.5 mm 2.6 mm 3 mm 3.5 mm 4 mm 5 mm 6 mm 7 mm 8 mm 10 mm 12 mm 14 mm 16 mm 18 mm 20 mm 22 mm 24 mm 27 mm 30 mm 33 mm 36 mm 42 mm 48 mm
Thread Pitch
0.3 mm 0.35 mm 0.4 mm 0.45 mm 0.5 mm 0.6 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 3.5 mm 4 mm 4.5 mm 5 mm
Thread Diameter
0.06" 0.073" 0.086" 0.099" 0.112" 0.125" 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" 1.75" 2" 2.25" 2.5"
Thread Type
Metric UN UNC UNEF UNF UNRC UNRF
Drive Size
0.050" 1 1/2" 1 1/4" 1 3/4" 1" 1.3 mm 1.5 mm 1/16" 1/2" 1/4" 10 mm 12 mm 14 mm 17 mm 19 mm 2 mm 2.5 mm 22 mm 24 mm 27 mm 3 mm 3/16" 3/32" 3/4" 3/8" 32 mm 36 mm 4 mm 5 mm 5/16" 5/32" 5/64" 5/8" 6 mm 7/16" 7/64" 7/8" 8 mm 9/64"
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Part Number Thread Size Length Threading Specifications Met Thread Type Head Diameter Head Height Material Tensile Strength Hardness
0009FA00024 5/16"-18 2" Fully Threaded ASTM A574 UNRC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA01534 5/16"-18 2" Partially Threaded ASME B18.3, ASTM A574, ASTM B117 UNC 15/32" 5/16" Zinc-Flake-Coated Alloy Steel 170000 psi Rockwell C37
0009FA01081 5/16"-18 2" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00493 5/16"-18 2" Partially Threaded ASTM A574 UNC 15/32" 5/16" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00025 5/16"-18 2 1/4" Fully Threaded ASTM A574 UNRC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA01535 5/16"-18 2 1/4" Partially Threaded ASME B18.3, ASTM A574, ASTM B117 UNC 15/32" 5/16" Zinc-Flake-Coated Alloy Steel 170000 psi Rockwell C37
0009FA01082 5/16"-18 2 1/4" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00494 5/16"-18 2 1/4" Partially Threaded ASTM A574 UNC 15/32" 5/16" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00199 5/16"-18 2 3/8" Partially Threaded ASME B18.3, ASTM A574 UNRC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00026 5/16"-18 2 1/2" Fully Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA01536 5/16"-18 2 1/2" Partially Threaded ASME B18.3, ASTM A574, ASTM B117 UNC 15/32" 5/16" Zinc-Flake-Coated Alloy Steel 170000 psi Rockwell C37
0009FA01083 5/16"-18 2 1/2" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00495 5/16"-18 2 1/2" Partially Threaded ASTM A574 UNC 15/32" 5/16" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00027 5/16"-18 2 3/4" Fully Threaded ASTM A574 UNRC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA01537 5/16"-18 2 3/4" Partially Threaded ASME B18.3, ASTM A574, ASTM B117 UNC 15/32" 5/16" Zinc-Flake-Coated Alloy Steel 170000 psi Rockwell C37
0009FA01084 5/16"-18 2 3/4" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00496 5/16"-18 2 3/4" Partially Threaded ASTM A574 UNC 15/32" 5/16" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00028 5/16"-18 3" Fully Threaded ASTM A574 UNRC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA01538 5/16"-18 3" Partially Threaded ASME B18.3, ASTM A574, ASTM B117 UNC 15/32" 5/16" Zinc-Flake-Coated Alloy Steel 170000 psi Rockwell C37
0009FA01085 5/16"-18 3" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00497 5/16"-18 3" Partially Threaded ASTM A574 UNC 15/32" 5/16" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00223 5/16"-18 3 1/4" Fully Threaded ASME B18.3, ASTM A574 UNRC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA01539 5/16"-18 3 1/4" Partially Threaded ASME B18.3, ASTM A574, ASTM B117 UNC 15/32" 5/16" Zinc-Flake-Coated Alloy Steel 170000 psi Rockwell C37
0009FA01086 5/16"-18 3 1/4" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00498 5/16"-18 3 1/4" Partially Threaded ASTM A574 UNC 15/32" 5/16" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00224 5/16"-18 3 1/2" Fully Threaded ASME B18.3, ASTM A574 UNRC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA01540 5/16"-18 3 1/2" Partially Threaded ASME B18.3, ASTM A574, ASTM B117 UNC 15/32" 5/16" Zinc-Flake-Coated Alloy Steel 170000 psi Rockwell C37
0009FA01087 5/16"-18 3 1/2" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00499 5/16"-18 3 1/2" Partially Threaded ASTM A574 UNC 15/32" 5/16" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA01088 5/16"-18 3 3/4" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA01541 5/16"-18 4" Partially Threaded ASME B18.3, ASTM A574, ASTM B117 UNC 15/32" 5/16" Zinc-Flake-Coated Alloy Steel 170000 psi Rockwell C37
0009FA01089 5/16"-18 4" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00500 5/16"-18 4" Partially Threaded ASTM A574 UNC 15/32" 5/16" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA01139 5/16"-18 4 1/4" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00685 5/16"-18 4 1/2" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00501 5/16"-18 4 1/2" Partially Threaded ASTM A574 UNC 15/32" 5/16" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA01140 5/16"-18 4 3/4" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00686 5/16"-18 5" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00502 5/16"-18 5" Partially Threaded ASTM A574 UNC 15/32" 5/16" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00853 5/16"-18 5 1/4" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00687 5/16"-18 5 1/2" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00859 5/16"-18 5 3/4" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00688 5/16"-18 6" Partially Threaded ASTM A574 UNRC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA01141 5/16"-18 6 1/4" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA01142 5/16"-18 6 1/2" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA01143 5/16"-18 7" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00604 5/16"-18 7 1/2" Partially Threaded ASTM A574 UNRC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA01144 5/16"-18 8" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00148 5/16"-18 8 1/2" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00184 5/16"-18 9" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00185 5/16"-18 10" Partially Threaded ASTM A574 UNC 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00917 5/16"-24 1/2" Fully Threaded ASTM A574 UNF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00272 5/16"-24 1/2" Fully Threaded ASTM A574 UNF 15/32" 5/16" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00919 5/16"-24 5/8" Fully Threaded ASTM A574 UNF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00273 5/16"-24 5/8" Fully Threaded ASTM A574 UNF 15/32" 5/16" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00920 5/16"-24 3/4" Fully Threaded ASTM A574 UNF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00542 5/16"-24 3/4" Fully Threaded ASTM A574 UNF 15/32" 5/16" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00921 5/16"-24 7/8" Fully Threaded ASTM A574 UNF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00274 5/16"-24 7/8" Fully Threaded ASTM A574 UNF 15/32" 5/16" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00922 5/16"-24 1" Fully Threaded ASTM A574 UNF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00544 5/16"-24 1" Fully Threaded ASTM A574 UNF 15/32" 5/16" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA02300 5/16"-24 1 1/8" Fully Threaded ASTM A574 UNF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00923 5/16"-24 1 1/4" Fully Threaded ASTM A574 UNF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00546 5/16"-24 1 1/4" Fully Threaded ASTM A574 UNF 15/32" 5/16" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00868 5/16"-24 1 3/8" Fully Threaded ASTM A574 UNF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00925 5/16"-24 1 1/2" Fully Threaded ASTM A574 UNF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00547 5/16"-24 1 1/2" Fully Threaded ASTM A574 UNF 15/32" 5/16" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00869 5/16"-24 1 5/8" Partially Threaded ASTM A574 UNF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00029 5/16"-24 1 3/4" Fully Threaded ASTM A574 UNRF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00927 5/16"-24 1 3/4" Partially Threaded ASTM A574 UNF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00548 5/16"-24 1 3/4" Partially Threaded ASTM A574 UNF 15/32" 5/16" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00870 5/16"-24 1 7/8" Partially Threaded ASTM A574 UNF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00929 5/16"-24 2" Partially Threaded ASTM A574 UNF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00549 5/16"-24 2" Partially Threaded ASTM A574 UNF 15/32" 5/16" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00930 5/16"-24 2 1/4" Partially Threaded ASTM A574 UNF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00931 5/16"-24 2 1/2" Partially Threaded ASTM A574 UNF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00932 5/16"-24 2 3/4" Partially Threaded ASTM A574 UNRF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00909 5/16"-24 3" Partially Threaded ASTM A574 UNRF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00872 5/16"-24 3 1/4" Partially Threaded ASTM A574 UNF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00933 5/16"-24 3 1/2" Partially Threaded ASTM A574 UNRF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00873 5/16"-24 3 3/4" Partially Threaded ASTM A574 UNF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00910 5/16"-24 4" Partially Threaded ASTM A574 UNF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00121 5/16"-24 5" Partially Threaded ASTM A574 UNRF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00149 5/16"-24 5 1/2" Partially Threaded ASTM A574 UNF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00090 5/16"-32 3/4" Fully Threaded ASTM A574 UNEF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00091 5/16"-32 1" Fully Threaded ASTM A574 UNEF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00092 5/16"-32 1 1/4" Fully Threaded ASTM A574 UNEF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00181 5/16"-32 1 1/2" Fully Threaded ASTM A574 UNEF 15/32" 5/16" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA01145 3/8"-16 3/8" Fully Threaded ASTM A574 UNC 9/16" 3/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00275 3/8"-16 3/8" Fully Threaded ASTM A574 UNC 9/16" 3/8" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA01542 3/8"-16 1/2" Fully Threaded ASME B18.3, ASTM A574, ASTM B117 UNC 9/16" 3/8" Zinc-Flake-Coated Alloy Steel 170000 psi Rockwell C37
0009FA01107 3/8"-16 1/2" Fully Threaded ASTM A574 UNC 9/16" 3/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00503 3/8"-16 1/2" Fully Threaded ASTM A574 UNC 9/16" 3/8" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA01543 3/8"-16 5/8" Fully Threaded ASME B18.3, ASTM A574, ASTM B117 UNC 9/16" 3/8" Zinc-Flake-Coated Alloy Steel 170000 psi Rockwell C37
0009FA01109 3/8"-16 5/8" Fully Threaded ASTM A574 UNC 9/16" 3/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00504 3/8"-16 5/8" Fully Threaded ASTM A574 UNC 9/16" 3/8" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA01544 3/8"-16 3/4" Fully Threaded ASME B18.3, ASTM A574, ASTM B117 UNC 9/16" 3/8" Zinc-Flake-Coated Alloy Steel 170000 psi Rockwell C37
0009FA01110 3/8"-16 3/4" Fully Threaded ASTM A574 UNC 9/16" 3/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00505 3/8"-16 3/4" Fully Threaded ASTM A574 UNC 9/16" 3/8" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA01545 3/8"-16 7/8" Fully Threaded ASME B18.3, ASTM A574, ASTM B117 UNC 9/16" 3/8" Zinc-Flake-Coated Alloy Steel 170000 psi Rockwell C37
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