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
0312FA00001 0-80 1/8" Fully Threaded ASME B18.3 UNF 0.138" 0.044" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00002 0-80 1/8" Fully Threaded ASME B18.3 UNF 0.138" 0.044" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00002 0-80 3/16" Fully Threaded ASME B18.3 UNF 0.138" 0.044" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00003 0-80 3/16" Fully Threaded ASME B18.3 UNF 0.138" 0.044" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00003 0-80 1/4" Fully Threaded ASME B18.3 UNF 0.138" 0.044" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00004 0-80 1/4" Fully Threaded ASME B18.3 UNF 0.138" 0.044" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00004 0-80 5/16" Fully Threaded ASME B18.3 UNF 0.138" 0.044" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00005 0-80 3/8" Fully Threaded ASME B18.3 UNF 0.138" 0.044" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00006 0-80 3/8" Fully Threaded ASME B18.3 UNF 0.138" 0.044" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00006 0-80 1/2" Fully Threaded ASME B18.3 UNF 0.138" 0.044" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00163 0-80 5/8" Fully Threaded ASME B18.3 UNF 0.138" 0.044" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00164 0-80 3/4" Fully Threaded ASME B18.3 UNF 0.138" 0.044" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00152 1-64 3/16" Fully Threaded ASME B18.3, ASTM F879 UNC 0.168" 0.054" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00153 1-64 1/4" Fully Threaded ASME B18.3, ASTM F879 UNC 0.168" 0.054" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00154 1-64 3/8" Fully Threaded ASME B18.3, ASTM F879 UNC 0.168" 0.054" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00155 1-72 1/8" Fully Threaded ASME B18.3 UNF 0.168" 0.054" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00007 1-72 3/16" Fully Threaded ASME B18.3 UNF 0.168" 0.054" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00008 1-72 1/4" Fully Threaded ASME B18.3 UNF 0.168" 0.054" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00165 1-72 5/16" Fully Threaded ASME B18.3 UNF 0.168" 0.054" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00009 1-72 3/8" Fully Threaded ASME B18.3 UNF 0.168" 0.054" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00166 1-72 1/2" Fully Threaded ASME B18.3 UNF 0.168" 0.054" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00167 1-72 3/4" Fully Threaded ASME B18.3 UNF 0.168" 0.054" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00019 2-56 1/8" Fully Threaded ASME B18.3 UNC 0.197" 0.064" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00007 2-56 1/8" Fully Threaded ASME B18.3 UNC 0.197" 0.064" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00020 2-56 3/16" Fully Threaded ASME B18.3 UNC 0.197" 0.064" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00009 2-56 3/16" Fully Threaded ASME B18.3 UNC 0.197" 0.064" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00021 2-56 1/4" Fully Threaded ASME B18.3 UNC 0.197" 0.064" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00010 2-56 1/4" Fully Threaded ASME B18.3 UNC 0.197" 0.064" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00022 2-56 5/16" Fully Threaded ASME B18.3 UNC 0.197" 0.064" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00062 2-56 5/16" Fully Threaded ASME B18.3, ASTM F879 UNC 0.197" 0.064" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00023 2-56 3/8" Fully Threaded ASME B18.3 UNC 0.197" 0.064" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00063 2-56 3/8" Fully Threaded ASME B18.3, ASTM F879 UNC 0.197" 0.064" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00168 2-56 7/16" Fully Threaded ASME B18.3 UNC 0.197" 0.064" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00024 2-56 1/2" Fully Threaded ASME B18.3 UNC 0.197" 0.064" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00064 2-56 1/2" Fully Threaded ASME B18.3, ASTM F879 UNC 0.197" 0.064" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00025 2-56 5/8" Fully Threaded ASME B18.3 UNC 0.197" 0.064" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00026 2-56 3/4" Fully Threaded ASME B18.3 UNC 0.197" 0.064" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00027 2-56 7/8" Fully Threaded ASME B18.3 UNC 0.197" 0.064" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00028 2-56 1" Fully Threaded ASME B18.3 UNC 0.197" 0.064" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00010 3-48 3/16" Fully Threaded ASME B18.3 UNC 0.226" 0.073" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00011 3-48 1/4" Fully Threaded ASME B18.3 UNC 0.226" 0.073" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00169 3-48 5/16" Fully Threaded ASME B18.3 UNC 0.226" 0.073" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00012 3-48 3/8" Fully Threaded ASME B18.3 UNC 0.226" 0.073" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00156 3-48 1/2" Fully Threaded ASME B18.3 UNC 0.226" 0.073" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00170 3-48 5/8" Fully Threaded ASME B18.3 UNC 0.226" 0.073" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00171 3-48 3/4" Fully Threaded ASME B18.3 UNC 0.226" 0.073" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00172 3-48 1" Fully Threaded ASME B18.3 UNC 0.226" 0.073" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00170 4-40 1/8" Fully Threaded ASME B18.3, ASTM F879 UNC 0.255" 0.083" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00151 4-40 1/8" Fully Threaded ASME B18.3, ASTM F879, MIL-DTL-18240 UNC 0.212" 0.047" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00089 4-40 3/16" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00031 4-40 3/16" Fully Threaded ASME B18.3, ASTM F879 UNC 0.255" 0.035" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00244 4-40 3/16" Fully Threaded - UNC 0.255" 0.059" 316 Stainless Steel 70000 psi Rockwell B70
0312FA00407 4-40 3/16" Partially Threaded - UNC 0.255" 0.059" 18-8 Stainless Steel 70000 psi Rockwell B70
0312FA00032 4-40 1/4" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00366 4-40 1/4" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00088 4-40 1/4" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 316 Stainless Steel 70000 psi Rockwell B55
0317FA00001 4-40 1/4" Fully Threaded QQ-P-35, MS24671-1 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Not Rated
0314FA00245 4-40 1/4" Fully Threaded - UNC 0.255" 0.059" 316 Stainless Steel 70000 psi Rockwell B70
0312FA00408 4-40 1/4" Partially Threaded - UNC 0.255" 0.059" 18-8 Stainless Steel 70000 psi Rockwell B70
0312FA00033 4-40 5/16" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00367 4-40 5/16" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00091 4-40 5/16" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 316 Stainless Steel 70000 psi Rockwell B55
0314FA00246 4-40 5/16" Fully Threaded - UNC 0.255" 0.059" 316 Stainless Steel 70000 psi Rockwell B70
0312FA00409 4-40 5/16" Partially Threaded - UNC 0.255" 0.059" 18-8 Stainless Steel 70000 psi Rockwell B70
0312FA00034 4-40 3/8" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00368 4-40 3/8" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00090 4-40 3/8" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 316 Stainless Steel 70000 psi Rockwell B55
0317FA00002 4-40 3/8" Fully Threaded QQ-P-35, MS24671-2 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Not Rated
0314FA00247 4-40 3/8" Fully Threaded - UNC 0.255" 0.059" 316 Stainless Steel 70000 psi Rockwell B70
0312FA00410 4-40 3/8" Partially Threaded - UNC 0.255" 0.059" 18-8 Stainless Steel 70000 psi Rockwell B70
0312FA00035 4-40 7/16" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00065 4-40 7/16" Fully Threaded ASME B18.3, ASTM F879 UNC 0.255" 0.083" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00036 4-40 1/2" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00092 4-40 1/2" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 316 Stainless Steel 70000 psi Rockwell B55
0317FA00003 4-40 1/2" Fully Threaded QQ-P-35, MS24671-3 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Not Rated
0314FA00248 4-40 1/2" Fully Threaded - UNC 0.255" 0.059" 316 Stainless Steel 70000 psi Rockwell B70
0312FA00411 4-40 1/2" Partially Threaded - UNC 0.255" 0.059" 18-8 Stainless Steel 70000 psi Rockwell B70
0312FA00029 4-40 9/16" Fully Threaded ASME B18.3, ASTM F879 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00037 4-40 5/8" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00093 4-40 5/8" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 316 Stainless Steel 70000 psi Rockwell B55
0317FA00004 4-40 5/8" Fully Threaded QQ-P-35, MS24671-4 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Not Rated
0312FA00038 4-40 3/4" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00094 4-40 3/4" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 316 Stainless Steel 70000 psi Rockwell B55
0317FA00005 4-40 3/4" Fully Threaded QQ-P-35, MS24671-5 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Not Rated
0312FA00030 4-40 7/8" Fully Threaded ASME B18.3, ASTM F879 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00066 4-40 7/8" Fully Threaded ASME B18.3, ASTM F879 UNC 0.255" 0.083" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00040 4-40 1" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00095 4-40 1" Fully Threaded ASME B18.3, ASTM F879 UNC 0.255" 0.083" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00173 4-40 1 1/8" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00041 4-40 1 1/4" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00096 4-40 1 1/4" Fully Threaded ASME B18.3, ASTM F879 UNC 0.255" 0.083" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00174 4-40 1 3/8" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00042 4-40 1 1/2" Fully Threaded ASME B18.3 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00067 4-40 1 1/2" Fully Threaded ASME B18.3, ASTM F879 UNC 0.255" 0.083" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00043 4-40 2" Fully Threaded ASME B18.3, ASTM F879 UNC 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00013 4-48 1/4" Fully Threaded ASME B18.3 UNF 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00014 4-48 3/8" Fully Threaded ASME B18.3 UNF 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00015 4-48 1/2" Fully Threaded ASME B18.3 UNF 0.255" 0.083" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00044 5-40 1/4" Fully Threaded ASME B18.3 UNC 0.281" 0.09" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00001 5-40 1/4" Fully Threaded ASME B18.3, ASTM F879 UNC 0.281" 0.09" 316 Stainless Steel 70000 psi Rockwell B55
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