Stainless Steel Hex Drive Flat Head Screws

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Stainless Steel Hex Drive Flat Head Screws

Stainless Steel Hex Drive Flat Head Screws are precision-engineered for applications requiring a smooth, flush finish. Manufactured from premium materials and treated for enhanced durability, these fasteners provide exceptional structural integrity. Ideal for machinery, electronics, and construction, they ensure long-term reliability in demanding environments.

System of Measurement
Inch Metric
Specifications Met
ASME B18.3 ASME B18.3, ASTM F879 ASME B18.3, ASTM F879, MIL-DTL-18240 ASTM A276 DIN 7991 DIN 7991, ISO 10642 QQ-P-35, MS24671-1 QQ-P-35, MS24671-10 QQ-P-35, MS24671-11 QQ-P-35, MS24671-13 QQ-P-35, MS24671-14 QQ-P-35, MS24671-16 QQ-P-35, MS24671-17 QQ-P-35, MS24671-19 QQ-P-35, MS24671-2 QQ-P-35, MS24671-20 QQ-P-35, MS24671-21 QQ-P-35, MS24671-22 QQ-P-35, MS24671-23 QQ-P-35, MS24671-28 QQ-P-35, MS24671-29 QQ-P-35, MS24671-3 QQ-P-35, MS24671-30 QQ-P-35, MS24671-31 QQ-P-35, MS24671-33 QQ-P-35, MS24671-4 QQ-P-35, MS24671-40 QQ-P-35, MS24671-41 QQ-P-35, MS24671-43 QQ-P-35, MS24671-5 QQ-P-35, MS24671-51 QQ-P-35, MS24671-52 QQ-P-35, MS24671-7 QQ-P-35, MS24671-8 QQ-P-35, MS24671-9
Thread Size
0-80 1-64 1-72 2-56 3-48 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 5/16"-18 5/16"-24 3/8"-16 3/8"-24 7/16"-14 7/16"-20 1/2"-13 1/2"-20 5/8"-11 5/8"-18 3/4"-10 1"-8 M2 M2.5 M3 M3.5 M4 M5 M6 M8 M10 M12 M14 M16 M20
Length
1/8" 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 1/2" 2 3/4" 3" 3 1/4" 3 1/2" 3 3/4" 4" 4 1/2" 5" 5 1/2" 6" 7" 8" 10" 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 90 mm 100 mm 110 mm 120 mm 140 mm
Material
18-8 Stainless Steel 316 Stainless Steel
Threading
Fully Threaded Partially Threaded
Head Diameter
0.138" 0.168" 0.197" 0.212" 0.226" 0.255" 0.281" 0.307" 0.359" 0.411" 0.438" 0.531" 0.656" 0.781" 0.844" 0.937" 0.938" 1.188" 1.438" 1.938" 4 mm 5 mm 6 mm 7 mm 8 mm 10 mm 12 mm 16 mm 20 mm 24 mm 27 mm 30 mm 36 mm
Head Height
0.035" 0.044" 0.047" 0.054" 0.059" 0.064" 0.066" 0.068" 0.073" 0.076" 0.083" 0.084" 0.089" 0.09" 0.097" 0.105" 0.112" 0.12" 0.127" 0.134" 0.157" 0.161" 0.181" 0.198" 0.234" 0.251" 0.324" 0.396" 0.54" 1.2 mm 1.3 mm 1.5 mm 1.6 mm 1.7 mm 1.9 mm 2 mm 2.2 mm 2.3 mm 2.8 mm 3.3 mm 3.5 mm 4.2 mm 4.4 mm 5.5 mm 6.5 mm 7 mm 7.5 mm 8.5 mm
Thread Pitch
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
Thread Diameter
0.06" 0.073" 0.086" 0.099" 0.112" 0.125" 0.138" 0.164" 0.19" 0.216" 0.25" 0.313" 0.375" 0.438" 0.5" 0.625" 0.75" 1"
Thread Type
Metric UNC UNF
Finish
Black Oxide Black-Oxide, Passivated Passivated
Drive Size
0.035" 0.050" 1.3 mm 1.5 mm 1/16" 1/2" 1/4" 1/8" 10 mm 12 mm 2 mm 2.5 mm 3 mm 3/16" 3/32" 3/8" 4 mm 5 mm 5/16" 5/32" 5/64" 5/8" 6 mm 7/32" 8 mm
Tensile Strength
70000 psi 100000 psi
Show more▼
Part Number Thread Size Length Threading Specifications Met Thread Type Head Diameter Head Height Material Tensile Strength Hardness
0312FA00157 5-40 5/16" Fully Threaded ASME B18.3 UNC 0.281" 0.09" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00045 5-40 3/8" Fully Threaded ASME B18.3 UNC 0.281" 0.09" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00005 5-40 3/8" Fully Threaded ASME B18.3, ASTM F879 UNC 0.281" 0.09" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00046 5-40 1/2" Fully Threaded ASME B18.3 UNC 0.281" 0.09" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00008 5-40 1/2" Fully Threaded ASME B18.3, ASTM F879 UNC 0.281" 0.09" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00047 5-40 5/8" Fully Threaded ASME B18.3 UNC 0.281" 0.09" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00048 5-40 3/4" Fully Threaded ASME B18.3 UNC 0.281" 0.09" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00175 5-40 7/8" Fully Threaded ASME B18.3 UNC 0.281" 0.09" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00176 5-40 1" Fully Threaded ASME B18.3 UNC 0.281" 0.09" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00049 5-44 1/4" Fully Threaded ASME B18.3 UNF 0.281" 0.09" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00050 5-44 3/8" Fully Threaded ASME B18.3 UNF 0.281" 0.09" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00051 5-44 1/2" Fully Threaded ASME B18.3 UNF 0.281" 0.09" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00052 6-32 3/16" Fully Threaded ASME B18.3 UNC 0.307" 0.068" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00171 6-32 3/16" Fully Threaded ASME B18.3, ASTM F879 UNC 0.307" 0.097" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00053 6-32 1/4" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00369 6-32 1/4" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00097 6-32 1/4" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 316 Stainless Steel 70000 psi Rockwell B55
0317FA00006 6-32 1/4" Fully Threaded QQ-P-35, MS24671-7 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Not Rated
0314FA00224 6-32 1/4" Fully Threaded - UNC 0.307" 0.066" 316 Stainless Steel 70000 psi Rockwell B70
0312FA00412 6-32 1/4" Partially Threaded - UNC 0.307" 0.066" 18-8 Stainless Steel 70000 psi Rockwell B70
0312FA00054 6-32 5/16" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00370 6-32 5/16" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00098 6-32 5/16" Fully Threaded ASME B18.3, ASTM F879 UNC 0.307" 0.097" 316 Stainless Steel 70000 psi Rockwell B55
0314FA00225 6-32 5/16" Fully Threaded - UNC 0.307" 0.066" 316 Stainless Steel 70000 psi Rockwell B70
0312FA00413 6-32 5/16" Partially Threaded - UNC 0.307" 0.066" 18-8 Stainless Steel 70000 psi Rockwell B70
0312FA00055 6-32 3/8" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00385 6-32 3/8" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00099 6-32 3/8" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 316 Stainless Steel 70000 psi Rockwell B55
0317FA00007 6-32 3/8" Fully Threaded QQ-P-35, MS24671-8 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Not Rated
0314FA00221 6-32 3/8" Fully Threaded - UNC 0.307" 0.066" 316 Stainless Steel 70000 psi Rockwell B70
0312FA00414 6-32 3/8" Partially Threaded - UNC 0.307" 0.066" 18-8 Stainless Steel 70000 psi Rockwell B70
0312FA00039 6-32 7/16" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00100 6-32 7/16" Fully Threaded ASME B18.3, ASTM F879 UNC 0.307" 0.097" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00056 6-32 1/2" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00386 6-32 1/2" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00101 6-32 1/2" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 316 Stainless Steel 70000 psi Rockwell B55
0317FA00008 6-32 1/2" Fully Threaded QQ-P-35, MS24671-9 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Not Rated
0314FA00222 6-32 1/2" Fully Threaded - UNC 0.307" 0.066" 316 Stainless Steel 70000 psi Rockwell B70
0312FA00415 6-32 1/2" Partially Threaded - UNC 0.307" 0.066" 18-8 Stainless Steel 70000 psi Rockwell B70
0312FA00057 6-32 9/16" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00068 6-32 9/16" Fully Threaded ASME B18.3, ASTM F879 UNC 0.307" 0.097" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00058 6-32 5/8" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00371 6-32 5/8" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00102 6-32 5/8" Fully Threaded ASME B18.3, ASTM F879 UNC 0.307" 0.097" 316 Stainless Steel 70000 psi Rockwell B55
0317FA00009 6-32 5/8" Fully Threaded QQ-P-35, MS24671-10 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Not Rated
0312FA00416 6-32 5/8" Partially Threaded - UNC 0.307" 0.066" 18-8 Stainless Steel 70000 psi Rockwell B70
0312FA00068 6-32 11/16" Fully Threaded ASME B18.3, ASTM F879 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00059 6-32 3/4" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00387 6-32 3/4" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00103 6-32 3/4" Fully Threaded ASME B18.3, ASTM F879 UNC 0.307" 0.097" 316 Stainless Steel 70000 psi Rockwell B55
0317FA00010 6-32 3/4" Fully Threaded QQ-P-35, MS24671-11 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Not Rated
0314FA00223 6-32 3/4" Fully Threaded - UNC 0.307" 0.066" 316 Stainless Steel 70000 psi Rockwell B70
0312FA00417 6-32 3/4" Partially Threaded - UNC 0.307" 0.066" 18-8 Stainless Steel 70000 psi Rockwell B70
0312FA00060 6-32 7/8" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00104 6-32 7/8" Fully Threaded ASME B18.3, ASTM F879 UNC 0.307" 0.097" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00061 6-32 1" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00105 6-32 1" Fully Threaded ASME B18.3, ASTM F879 UNC 0.307" 0.097" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00418 6-32 1" Partially Threaded - UNC 0.307" 0.066" 18-8 Stainless Steel 70000 psi Rockwell B70
0312FA00177 6-32 1 1/8" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00062 6-32 1 1/4" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00106 6-32 1 1/4" Fully Threaded ASME B18.3, ASTM F879 UNC 0.307" 0.097" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00069 6-32 1 3/8" Fully Threaded ASME B18.3, ASTM F879 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00063 6-32 1 1/2" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00107 6-32 1 1/2" Fully Threaded ASME B18.3, ASTM F879 UNC 0.307" 0.097" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00158 6-32 1 3/4" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00064 6-32 2" Fully Threaded ASME B18.3 UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00069 6-32 2" Fully Threaded ASME B18.3, ASTM F879 UNC 0.307" 0.097" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00147 6-32 3" Partially Threaded - UNC 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00178 6-40 1/4" Fully Threaded ASME B18.3 UNF 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00070 6-40 1/4" Fully Threaded ASME B18.3, ASTM F879 UNF 0.307" 0.097" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00065 6-40 3/8" Fully Threaded ASME B18.3 UNF 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00071 6-40 3/8" Fully Threaded ASME B18.3, ASTM F879 UNF 0.307" 0.097" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00066 6-40 1/2" Fully Threaded ASME B18.3 UNF 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00072 6-40 1/2" Fully Threaded ASME B18.3, ASTM F879 UNF 0.307" 0.097" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00067 6-40 3/4" Fully Threaded ASME B18.3 UNF 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00179 6-40 1" Fully Threaded ASME B18.3 UNF 0.307" 0.097" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00159 8-32 3/16" Fully Threaded ASME B18.3 UNC 0.359" 0.112" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00172 8-32 3/16" Fully Threaded ASME B18.3, ASTM F879 UNC 0.359" 0.112" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00081 8-32 1/4" Fully Threaded ASME B18.3 UNC 0.359" 0.112" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00108 8-32 1/4" Fully Threaded ASME B18.3 UNC 0.359" 0.112" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00419 8-32 1/4" Partially Threaded - UNC 0.359" 0.076" 18-8 Stainless Steel 70000 psi Rockwell B70
0312FA00082 8-32 5/16" Fully Threaded ASME B18.3 UNC 0.359" 0.112" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00109 8-32 5/16" Fully Threaded ASME B18.3 UNC 0.359" 0.112" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00420 8-32 5/16" Partially Threaded - UNC 0.359" 0.076" 18-8 Stainless Steel 70000 psi Rockwell B70
0312FA00083 8-32 3/8" Fully Threaded ASME B18.3 UNC 0.359" 0.112" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00388 8-32 3/8" Fully Threaded ASME B18.3 UNC 0.359" 0.112" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00110 8-32 3/8" Fully Threaded ASME B18.3 UNC 0.359" 0.112" 316 Stainless Steel 70000 psi Rockwell B55
0317FA00011 8-32 3/8" Fully Threaded QQ-P-35, MS24671-13 UNC 0.359" 0.112" 18-8 Stainless Steel 70000 psi Not Rated
0314FA00226 8-32 3/8" Fully Threaded - UNC 0.359" 0.076" 316 Stainless Steel 70000 psi Rockwell B70
0312FA00421 8-32 3/8" Partially Threaded - UNC 0.359" 0.076" 18-8 Stainless Steel 70000 psi Rockwell B70
0312FA00084 8-32 7/16" Fully Threaded ASME B18.3 UNC 0.359" 0.112" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00111 8-32 7/16" Fully Threaded ASME B18.3, ASTM F879 UNC 0.359" 0.112" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00085 8-32 1/2" Fully Threaded ASME B18.3 UNC 0.359" 0.112" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00389 8-32 1/2" Fully Threaded ASME B18.3 UNC 0.359" 0.112" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00112 8-32 1/2" Fully Threaded ASME B18.3 UNC 0.359" 0.112" 316 Stainless Steel 70000 psi Rockwell B55
0317FA00012 8-32 1/2" Fully Threaded QQ-P-35, MS24671-14 UNC 0.359" 0.112" 18-8 Stainless Steel 70000 psi Not Rated
0314FA00227 8-32 1/2" Fully Threaded - UNC 0.359" 0.076" 316 Stainless Steel 70000 psi Rockwell B70
0312FA00422 8-32 1/2" Partially Threaded - UNC 0.359" 0.076" 18-8 Stainless Steel 70000 psi Rockwell B70
0312FA00086 8-32 9/16" Fully Threaded ASME B18.3, ASTM F879 UNC 0.359" 0.112" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00073 8-32 9/16" Fully Threaded ASME B18.3, ASTM F879 UNC 0.359" 0.112" 316 Stainless Steel 70000 psi Rockwell B55
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