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
0009FA00693 4-40 1/4" Fully Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00241 4-40 1/4" Fully Threaded ASTM A574 UNC 0.183" 0.112" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00694 4-40 5/16" Fully Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00242 4-40 5/16" Fully Threaded ASTM A574 UNC 0.183" 0.112" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00695 4-40 3/8" Fully Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00243 4-40 3/8" Fully Threaded ASTM A574 UNC 0.183" 0.112" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00423 4-40 7/16" Fully Threaded ASME B18.3, ASTM A574 UNC 0.183" 0.112" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA02323 4-40 7/16" Fully Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00697 4-40 1/2" Fully Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00245 4-40 1/2" Fully Threaded ASTM A574 UNC 0.183" 0.112" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA02294 4-40 9/16" Fully Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00699 4-40 5/8" Fully Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00247 4-40 5/8" Fully Threaded ASTM A574 UNC 0.183" 0.112" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00700 4-40 3/4" Fully Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00248 4-40 3/4" Fully Threaded ASTM A574 UNC 0.183" 0.112" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00701 4-40 7/8" Fully Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00249 4-40 7/8" Fully Threaded ASTM A574 UNC 0.183" 0.112" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00001 4-40 1" Fully Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00702 4-40 1" Partially Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00250 4-40 1" Partially Threaded ASTM A574 UNC 0.183" 0.112" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA01040 4-40 1 1/8" Partially Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA02295 4-40 1 1/8" Partially Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00665 4-40 1 1/4" Partially Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00254 4-40 1 1/4" Partially Threaded ASTM A574 UNC 0.183" 0.112" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00780 4-40 1 3/8" Partially Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00732 4-40 1 1/2" Partially Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00257 4-40 1 1/2" Partially Threaded ASTM A574 UNC 0.183" 0.112" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00794 4-40 1 5/8" Partially Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00743 4-40 1 3/4" Partially Threaded ASTM A574 UNRC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00745 4-40 2" Partially Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00238 4-40 2" Partially Threaded ASTM A574 UNC 0.183" 0.112" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00781 4-40 2 1/4" Partially Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA01262 4-40 2 1/2" Partially Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA01031 4-40 2 3/4" Partially Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00782 4-40 3" Fully Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00172 4-40 3 1/2" Partially Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00173 4-40 4" Partially Threaded ASTM A574 UNC 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00795 4-48 1/8" Fully Threaded ASTM A574 UNF 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00796 4-48 3/16" Fully Threaded ASTM A574 UNF 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA02286 4-48 1/4" Fully Threaded ASTM A574 UNF 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00239 4-48 1/4" Fully Threaded ASTM A574 UNF 0.183" 0.112" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00797 4-48 5/16" Fully Threaded ASTM A574 UNF 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA02324 4-48 3/8" Fully Threaded ASTM A574 UNF 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00244 4-48 3/8" Fully Threaded ASTM A574 UNF 0.183" 0.112" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00798 4-48 7/16" Fully Threaded ASTM A574 UNF 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA02287 4-48 1/2" Fully Threaded ASTM A574 UNF 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00246 4-48 1/2" Fully Threaded ASTM A574 UNF 0.183" 0.112" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA01267 4-48 5/8" Fully Threaded ASTM A574 UNF 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA01269 4-48 3/4" Fully Threaded ASTM A574 UNF 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00251 4-48 3/4" Fully Threaded ASTM A574 UNF 0.183" 0.112" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00749 4-48 1" Partially Threaded ASTM A574 UNF 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00252 4-48 1" Partially Threaded ASTM A574 UNF 0.183" 0.112" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA01032 4-48 1 1/4" Partially Threaded ASTM A574 UNF 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA01265 4-48 1 1/2" Partially Threaded ASTM A574 UNF 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00174 4-48 1 3/4" Partially Threaded ASTM A574 UNF 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00175 4-48 2" Partially Threaded ASTM A574 UNF 0.183" 0.112" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00802 5-40 3/32" Fully Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00751 5-40 1/8" Fully Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00820 5-40 5/32" Fully Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00752 5-40 3/16" Fully Threaded ASTM A574 UNRC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00711 5-40 1/4" Fully Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00560 5-40 1/4" Fully Threaded ASTM A574 UNC 0.205" 1/8" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA02283 5-40 5/16" Fully Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00712 5-40 3/8" Fully Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00562 5-40 3/8" Fully Threaded ASTM A574 UNC 0.205" 1/8" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA02296 5-40 7/16" Fully Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00713 5-40 1/2" Fully Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00564 5-40 1/2" Fully Threaded ASTM A574 UNC 0.205" 1/8" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00821 5-40 9/16" Fully Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00715 5-40 5/8" Fully Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00716 5-40 3/4" Fully Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00565 5-40 3/4" Fully Threaded ASTM A574 UNC 0.205" 1/8" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA02288 5-40 7/8" Fully Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00667 5-40 1" Partially Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00784 5-40 1 1/8" Partially Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00753 5-40 1 1/4" Partially Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA01033 5-40 1 3/8" Partially Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00755 5-40 1 1/2" Partially Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00785 5-40 1 3/4" Partially Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00786 5-40 2" Partially Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA01034 5-40 2 1/2" Partially Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00787 5-40 3" Fully Threaded ASTM A574 UNC 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00134 5-44 1/4" Fully Threaded ASTM A574 UNF 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00135 5-44 3/8" Fully Threaded ASTM A574 UNF 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00136 5-44 1/2" Fully Threaded ASTM A574 UNF 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00137 5-44 3/4" Fully Threaded ASTM A574 UNF 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00138 5-44 1" Partially Threaded ASTM A574 UNF 0.205" 1/8" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00822 6-32 3/32" Fully Threaded ASTM A574 UNC 0.226" 0.138" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA02325 6-32 1/8" Fully Threaded ASTM A574 UNC 0.226" 0.138" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00253 6-32 1/8" Fully Threaded ASTM A574 UNC 0.226" 0.138" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA00823 6-32 5/32" Fully Threaded ASTM A574 UNC 0.226" 0.138" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA02326 6-32 3/16" Fully Threaded ASTM A574 UNC 0.226" 0.138" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00255 6-32 3/16" Fully Threaded ASTM A574 UNC 0.226" 0.138" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA01400 6-32 1/4" Fully Threaded ASME B18.3, ASTM A574, ASTM B117 UNC 0.226" 0.138" Zinc-Flake-Coated Alloy Steel 170000 psi Rockwell C37
0009FA00728 6-32 1/4" Fully Threaded ASTM A574 UNC 0.226" 0.138" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00276 6-32 1/4" Fully Threaded ASTM A574 UNC 0.226" 0.138" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA02285 6-32 5/16" Fully Threaded ASTM A574 UNC 0.226" 0.138" Black-Oxide Alloy Steel 170000 psi Rockwell C37
0009FA00277 6-32 5/16" Fully Threaded ASTM A574 UNC 0.226" 0.138" Zinc-Plated Alloy Steel 170000 psi Rockwell C37
0009FA01401 6-32 3/8" Fully Threaded ASME B18.3, ASTM A574, ASTM B117 UNC 0.226" 0.138" Zinc-Flake-Coated Alloy Steel 170000 psi Rockwell C37
0009FA00729 6-32 3/8" Fully Threaded ASTM A574 UNC 0.226" 0.138" Black-Oxide Alloy Steel 170000 psi Rockwell C37
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