Alloy Steel Hex Drive Flat Head Screws

1061 products

Alloy Steel Hex Drive Flat Head Screws

Alloy 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 ASTM F835 ASTM F835, MS24667-1 ASTM F835, MS24667-10 ASTM F835, MS24667-11 ASTM F835, MS24667-13 ASTM F835, MS24667-14 ASTM F835, MS24667-15 ASTM F835, MS24667-2 ASTM F835, MS24667-29 ASTM F835, MS24667-3 ASTM F835, MS24667-30 ASTM F835, MS24667-31 ASTM F835, MS24667-41 ASTM F835, MS24667-5 ASTM F835, MS24667-52 ASTM F835, MS24667-8 ASTM F835, MS24667-9 DIN 7991 DIN 7991, ISO 10642
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 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 3/4"-16 7/8"-14 7/8"-9 1"-14 1"-8 1 1/8"-7 1 1/4"-12 1 1/4"-7 1 1/2"-6 M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M24 M30
Length
1/8" 5/32" 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" 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" 6 1/2" 7" 8" 9" 10" 11" 11 1/2" 12" 14" 4 mm 5 mm 6 mm 8 mm 10 mm 12 mm 14 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 130 mm 140 mm 160 mm
Material
Alloy Steel Black-Oxide Alloy Steel Blue-Dyed Zinc-Plated Alloy Steel Cadmium-Plated Alloy Steel Zinc-Plated Alloy Steel
Threading
Fully Threaded Partially Threaded
Head Diameter
0.138" 0.168" 0.187" 0.197" 0.226" 0.255" 0.262" 0.281" 0.307" 0.312" 0.359" 0.362" 0.411" 0.422" 0.438" 0.477" 0.531" 0.656" 0.717" 0.781" 0.844" 0.938" 1.188" 1.438" 1.688" 1.938" 2.188" 2.438" 2.938" 4 mm 5 mm 6 mm 8 mm 10 mm 12 mm 16 mm 20 mm 24 mm 27 mm 30 mm 33 mm 36 mm 39 mm 49 mm
Head Height
0.031" 0.042" 0.044" 0.047" 0.053" 0.054" 0.059" 0.064" 0.07" 0.073" 0.078" 0.081" 0.083" 0.09" 0.097" 0.099" 0.107" 0.112" 0.127" 0.134" 0.135" 0.161" 0.198" 0.234" 0.251" 0.324" 0.396" 0.468" 0.54" 0.611" 0.683" 0.827" 1.2 mm 1.5 mm 1.7 mm 2.3 mm 2.8 mm 3.3 mm 4.4 mm 5.5 mm 6.5 mm 7 mm 7.5 mm 8 mm 8.5 mm 14 mm 19.6 mm
Thread Pitch
0.4 mm 0.45 mm 0.5 mm 0.7 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
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" 0.875" 1" 1.125" 1.25" 1.5"
Thread Type
Metric UNC UNF UNS
Fastener Strength Grade/Class
Class 10.9 Class 12.9
Drive Size
0.035" 0.050" 1 mm 1" 1.3 mm 1.5 mm 1/16" 1/2" 1/4" 1/8" 10 mm 12 mm 14 mm 19 mm 2 mm 2.5 mm 3 mm 3/16" 3/32" 3/4" 3/8" 4 mm 5 mm 5/16" 5/32" 5/64" 5/8" 6 mm 7/32" 7/8" 8 mm 9/16"
Tensile Strength
120000 psi 130000 psi 140000 psi 170000 psi
Show more▼
Part Number Thread Size Length Threading Specifications Met Thread Type Head Diameter Head Height Material Tensile Strength Hardness
0309FA00119 5-40 1 1/2" Fully Threaded ASTM F835 UNC 0.281" 0.09" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00128 5-44 3/8" Fully Threaded ASTM F835 UNF 0.281" 0.09" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00133 5-44 1/2" Fully Threaded ASTM F835 UNF 0.281" 0.09" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00135 5-44 3/4" Fully Threaded ASTM F835 UNF 0.281" 0.09" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00142 6-32 1/8" Fully Threaded ASTM F835 UNC 0.262" 0.059" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00143 6-32 5/32" Fully Threaded ASTM F835 UNC 0.262" 0.059" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00144 6-32 3/16" Fully Threaded ASTM F835 UNC 0.262" 0.059" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00534 6-32 3/16" Fully Threaded ASTM F835 UNC 0.307" 0.078" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00123 6-32 1/4" Fully Threaded ASTM F835 UNC 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00540 6-32 1/4" Fully Threaded ASTM F835 UNC 0.307" 0.097" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00124 6-32 5/16" Fully Threaded ASTM F835 UNC 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00535 6-32 5/16" Fully Threaded ASTM F835 UNC 0.307" 0.097" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00125 6-32 3/8" Fully Threaded ASTM F835 UNC 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00541 6-32 3/8" Fully Threaded ASTM F835 UNC 0.307" 0.097" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0311FA00005 6-32 3/8" Fully Threaded ASTM F835, MS24667-8 UNC 0.307" 0.097" Cadmium-Plated Alloy Steel 140000 psi Rockwell C39
0309FA00126 6-32 7/16" Fully Threaded ASTM F835 UNC 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00127 6-32 1/2" Fully Threaded ASTM F835 UNC 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00542 6-32 1/2" Fully Threaded ASTM F835 UNC 0.307" 0.097" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0311FA00006 6-32 1/2" Fully Threaded ASTM F835, MS24667-9 UNC 0.307" 0.097" Cadmium-Plated Alloy Steel 140000 psi Rockwell C39
0309FA00145 6-32 9/16" Fully Threaded ASTM F835 UNC 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00129 6-32 5/8" Fully Threaded ASTM F835 UNC 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00536 6-32 5/8" Fully Threaded ASTM F835 UNC 0.307" 0.097" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0311FA00007 6-32 5/8" Fully Threaded ASTM F835, MS24667-10 UNC 0.307" 0.097" Cadmium-Plated Alloy Steel 140000 psi Rockwell C39
0309FA00130 6-32 3/4" Fully Threaded ASTM F835 UNC 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00543 6-32 3/4" Fully Threaded ASTM F835 UNC 0.307" 0.097" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0311FA00008 6-32 3/4" Fully Threaded ASTM F835, MS24667-11 UNC 0.307" 0.097" Cadmium-Plated Alloy Steel 140000 psi Rockwell C39
0309FA00131 6-32 7/8" Fully Threaded ASTM F835 UNC 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00132 6-32 1" Fully Threaded ASTM F835 UNC 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00544 6-32 1" Fully Threaded ASTM F835 UNC 0.307" 0.097" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00134 6-32 1 1/4" Partially Threaded ASTM F835 UNC 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00136 6-32 1 1/2" Partially Threaded ASTM F835 UNC 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00137 6-32 1 3/4" Partially Threaded ASTM F835 UNC 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00138 6-32 2" Partially Threaded ASTM F835 UNC 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00146 6-32 2 1/2" Partially Threaded ASTM F835 UNC 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00147 6-32 3" Partially Threaded ASTM F835 UNC 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00139 6-40 1/4" Fully Threaded ASTM F835 UNF 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00537 6-40 1/4" Fully Threaded ASTM F835 UNF 0.307" 0.097" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00140 6-40 3/8" Fully Threaded ASTM F835 UNF 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00538 6-40 3/8" Fully Threaded ASTM F835 UNF 0.307" 0.097" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00141 6-40 1/2" Fully Threaded ASTM F835 UNF 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00539 6-40 1/2" Fully Threaded ASTM F835 UNF 0.307" 0.097" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00148 6-40 5/8" Fully Threaded ASTM F835 UNF 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00149 6-40 3/4" Fully Threaded ASTM F835 UNF 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00016 6-40 1" Fully Threaded ASTM F835 UNF 0.307" 0.097" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00150 8-32 5/32" Fully Threaded ASTM F835 UNC 0.312" 0.07" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00151 8-32 3/16" Fully Threaded ASTM F835 UNC 0.359" 0.07" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00545 8-32 1/4" Fully Threaded ASTM F835 UNC 0.359" 0.099" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00154 8-32 1/4" Fully Threaded ASTM F835 UNC 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00155 8-32 5/16" Fully Threaded ASTM F835 UNC 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00547 8-32 5/16" Fully Threaded ASTM F835 UNC 0.359" 0.112" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00156 8-32 3/8" Fully Threaded ASTM F835 UNC 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00546 8-32 3/8" Fully Threaded ASTM F835 UNC 0.359" 0.112" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0311FA00009 8-32 3/8" Fully Threaded ASTM F835, MS24667-13 UNC 0.359" 0.112" Cadmium-Plated Alloy Steel 140000 psi Rockwell C39
0309FA00157 8-32 7/16" Fully Threaded ASTM F835 UNC 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00158 8-32 1/2" Fully Threaded ASTM F835 UNC 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00548 8-32 1/2" Fully Threaded ASTM F835 UNC 0.359" 0.112" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0311FA00010 8-32 1/2" Fully Threaded ASTM F835, MS24667-14 UNC 0.359" 0.112" Cadmium-Plated Alloy Steel 140000 psi Rockwell C39
0309FA00152 8-32 9/16" Fully Threaded ASTM F835 UNC 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00159 8-32 5/8" Fully Threaded ASTM F835 UNC 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00549 8-32 5/8" Fully Threaded ASTM F835 UNC 0.359" 0.112" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0311FA00011 8-32 5/8" Fully Threaded ASTM F835, MS24667-15 UNC 0.359" 0.112" Cadmium-Plated Alloy Steel 140000 psi Rockwell C39
0309FA00160 8-32 3/4" Fully Threaded ASTM F835 UNC 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00550 8-32 3/4" Fully Threaded ASTM F835 UNC 0.359" 0.112" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00161 8-32 7/8" Fully Threaded ASTM F835 UNC 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00551 8-32 7/8" Fully Threaded ASTM F835 UNC 0.359" 0.112" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00162 8-32 1" Fully Threaded ASTM F835 UNC 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00552 8-32 1" Fully Threaded ASTM F835 UNC 0.359" 0.112" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00153 8-32 1 1/8" Fully Threaded ASTM F835 UNC 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00163 8-32 1 1/4" Partially Threaded ASTM F835 UNC 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00487 8-32 1 1/4" Partially Threaded ASTM F835 UNC 0.359" 0.112" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00164 8-32 1 3/8" Partially Threaded ASTM F835 UNC 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00166 8-32 1 1/2" Partially Threaded ASTM F835 UNC 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00488 8-32 1 1/2" Partially Threaded ASTM F835 UNC 0.359" 0.112" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00165 8-32 1 5/8" Fully Threaded ASTM F835 UNC 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00167 8-32 1 3/4" Partially Threaded ASTM F835 UNC 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00168 8-32 2" Partially Threaded ASTM F835 UNC 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00169 8-32 2 1/4" Partially Threaded ASTM F835 UNC 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00170 8-32 2 1/2" Partially Threaded ASTM F835 UNC 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00171 8-32 3" Partially Threaded ASTM F835 UNC 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00017 8-36 3/8" Fully Threaded ASTM F835 UNF 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00172 8-36 1/2" Fully Threaded ASTM F835 UNF 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00553 8-36 1/2" Fully Threaded ASTM F835 UNF 0.359" 0.112" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00173 8-36 3/4" Fully Threaded ASTM F835 UNF 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00554 8-36 3/4" Fully Threaded ASTM F835 UNF 0.359" 0.112" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00174 8-36 1" Fully Threaded ASTM F835 UNF 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00556 8-36 1" Fully Threaded ASTM F835 UNF 0.359" 0.112" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00175 8-36 1 1/4" Fully Threaded ASTM F835 UNF 0.359" 0.112" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00177 10-24 1/4" Fully Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00178 10-24 5/16" Fully Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00179 10-24 3/8" Fully Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00555 10-24 3/8" Fully Threaded ASTM F835 UNC 0.411" 0.127" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00180 10-24 7/16" Fully Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00181 10-24 1/2" Fully Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00557 10-24 1/2" Fully Threaded ASTM F835 UNC 0.411" 0.127" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00176 10-24 9/16" Fully Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00182 10-24 5/8" Fully Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00558 10-24 5/8" Fully Threaded ASTM F835 UNC 0.411" 0.127" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00183 10-24 3/4" Fully Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00559 10-24 3/4" Fully Threaded ASTM F835 UNC 0.411" 0.127" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00184 10-24 7/8" Fully Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
🔍 ✕
Cancel