Alloy Steel Hex Drive Flat Head Screws

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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
0309FA00560 10-24 7/8" Fully Threaded ASTM F835 UNC 0.411" 0.127" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00185 10-24 1" Fully Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00561 10-24 1" Fully Threaded ASTM F835 UNC 0.411" 0.127" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00186 10-24 1 1/8" Fully Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00489 10-24 1 1/4" Fully Threaded ASME B18.3 UNC 0.411" 0.127" Zinc-Plated Alloy Steel 120000 psi Rockwell C32
0309FA00187 10-24 1 1/4" Fully Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00189 10-24 1 3/8" Partially Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00188 10-24 1 1/2" Partially Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00562 10-24 1 1/2" Partially Threaded ASTM F835 UNC 0.411" 0.127" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00190 10-24 1 3/4" Partially Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00191 10-24 2" Partially Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00490 10-24 2" Partially Threaded ASTM F835 UNC 0.411" 0.127" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00192 10-24 2 1/4" Partially Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00193 10-24 2 1/2" Partially Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00491 10-24 2 1/2" Partially Threaded ASTM F835 UNC 0.411" 0.127" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00194 10-24 3" Partially Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00279 10-24 3 1/2" Partially Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00280 10-24 4" Partially Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00281 10-24 5" Partially Threaded ASTM F835 UNC 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00195 10-32 3/16" Fully Threaded ASTM F835 UNF 0.362" 0.081" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00049 10-32 1/4" Fully Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00563 10-32 1/4" Fully Threaded ASTM F835 UNF 0.411" 0.127" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00062 10-32 5/16" Fully Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00492 10-32 5/16" Fully Threaded ASTM F835 UNF 0.411" 0.127" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00048 10-32 3/8" Fully Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00564 10-32 3/8" Fully Threaded ASTM F835 UNF 0.411" 0.127" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00196 10-32 7/16" Fully Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00050 10-32 1/2" Fully Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00566 10-32 1/2" Fully Threaded ASTM F835 UNF 0.411" 0.127" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00197 10-32 9/16" Fully Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00051 10-32 5/8" Fully Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00565 10-32 5/8" Fully Threaded ASTM F835 UNF 0.411" 0.127" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00052 10-32 3/4" Fully Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00567 10-32 3/4" Fully Threaded ASTM F835 UNF 0.411" 0.127" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00053 10-32 7/8" Fully Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00568 10-32 7/8" Fully Threaded ASTM F835 UNF 0.411" 0.127" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00054 10-32 1" Fully Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00569 10-32 1" Fully Threaded ASTM F835 UNF 0.411" 0.127" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00198 10-32 1 1/8" Fully Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00493 10-32 1 1/4" Fully Threaded ASME B18.3 UNF 0.411" 0.127" Zinc-Plated Alloy Steel 120000 psi Rockwell C32
0309FA00055 10-32 1 1/4" Fully Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00199 10-32 1 3/8" Fully Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00056 10-32 1 1/2" Partially Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00570 10-32 1 1/2" Partially Threaded ASTM F835 UNF 0.411" 0.127" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00200 10-32 1 5/8" Partially Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00057 10-32 1 3/4" Partially Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00058 10-32 2" Partially Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00494 10-32 2" Partially Threaded ASTM F835 UNF 0.411" 0.127" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00059 10-32 2 1/4" Partially Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00060 10-32 2 1/2" Fully Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00061 10-32 3" Fully Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00282 10-32 3 1/2" Partially Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00283 10-32 4" Partially Threaded ASTM F835 UNF 0.411" 0.127" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00201 12-24 3/8" Fully Threaded ASTM F835 UNC 0.422" 0.135" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00271 12-24 1/2" Fully Threaded ASTM F835 UNC 0.422" 0.135" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00612 12-24 1/2" Fully Threaded ASTM F835 UNC 0.438" 0.134" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00202 12-24 5/8" Fully Threaded ASTM F835 UNC 0.422" 0.135" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00203 12-24 3/4" Fully Threaded ASTM F835 UNC 0.422" 0.135" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00613 12-24 3/4" Fully Threaded ASTM F835 UNC 0.438" 0.134" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00272 12-24 1" Fully Threaded ASTM F835 UNC 0.422" 0.135" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00614 12-24 1" Fully Threaded ASTM F835 UNC 0.438" 0.134" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00204 12-24 1 1/4" Fully Threaded ASTM F835 UNC 0.422" 0.135" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00205 12-24 1 1/2" Fully Threaded ASTM F835 UNC 0.422" 0.135" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00206 12-24 2" Partially Threaded ASTM F835 UNC 0.422" 0.135" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00289 1/4"-20 1/4" Fully Threaded ASTM F835 UNC 0.531" 0.107" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00290 1/4"-20 3/8" Fully Threaded ASTM F835 UNC 0.531" 0.161" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00571 1/4"-20 3/8" Fully Threaded ASTM F835 UNC 0.531" 0.161" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00207 1/4"-20 7/16" Fully Threaded ASTM F835 UNC 0.531" 0.161" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00292 1/4"-20 1/2" Fully Threaded ASTM F835 UNC 0.531" 0.161" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00572 1/4"-20 1/2" Fully Threaded ASTM F835 UNC 0.531" 0.161" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00208 1/4"-20 9/16" Fully Threaded ASTM F835 UNC 0.531" 0.161" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00293 1/4"-20 5/8" Fully Threaded ASTM F835 UNC 0.531" 0.161" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00573 1/4"-20 5/8" Fully Threaded ASTM F835 UNC 0.531" 0.161" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0311FA00012 1/4"-20 5/8" Fully Threaded ASTM F835, MS24667-29 UNC 0.531" 0.161" Cadmium-Plated Alloy Steel 140000 psi Rockwell C39
0309FA00294 1/4"-20 3/4" Fully Threaded ASTM F835 UNC 0.531" 0.161" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00574 1/4"-20 3/4" Fully Threaded ASTM F835 UNC 0.531" 0.161" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0311FA00015 1/4"-20 3/4" Fully Threaded ASTM F835, MS24667-30 UNC 0.531" 0.161" Cadmium-Plated Alloy Steel 140000 psi Rockwell C39
0309FA00291 1/4"-20 7/8" Fully Threaded ASTM F835 UNC 0.531" 0.161" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00575 1/4"-20 7/8" Fully Threaded ASTM F835 UNC 0.531" 0.161" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00295 1/4"-20 1" Fully Threaded ASTM F835 UNC 0.531" 0.161" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00576 1/4"-20 1" Fully Threaded ASTM F835 UNC 0.531" 0.161" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0311FA00016 1/4"-20 1" Fully Threaded ASTM F835, MS24667-31 UNC 0.531" 0.161" Cadmium-Plated Alloy Steel 140000 psi Rockwell C39
0309FA00495 1/4"-20 1 1/8" Fully Threaded ASME B18.3 UNC 0.531" 0.161" Zinc-Plated Alloy Steel 120000 psi Rockwell C32
0309FA00209 1/4"-20 1 1/8" Fully Threaded ASTM F835 UNC 0.531" 0.161" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00296 1/4"-20 1 1/4" Fully Threaded ASTM F835 UNC 0.531" 0.161" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00577 1/4"-20 1 1/4" Fully Threaded ASTM F835 UNC 0.531" 0.161" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00297 1/4"-20 1 3/8" Fully Threaded ASTM F835 UNC 0.531" 0.161" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00298 1/4"-20 1 1/2" Fully Threaded ASTM F835 UNC 0.531" 0.161" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00578 1/4"-20 1 1/2" Fully Threaded ASTM F835 UNC 0.531" 0.161" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00210 1/4"-20 1 5/8" Partially Threaded ASTM F835 UNC 0.531" 0.161" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00299 1/4"-20 1 3/4" Partially Threaded ASTM F835 UNC 0.531" 0.161" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00579 1/4"-20 1 3/4" Partially Threaded ASTM F835 UNC 0.531" 0.161" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00300 1/4"-20 2" Partially Threaded ASTM F835 UNC 0.531" 0.161" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00580 1/4"-20 2" Partially Threaded ASTM F835 UNC 0.531" 0.161" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00301 1/4"-20 2 1/4" Partially Threaded ASTM F835 UNC 0.531" 0.161" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00581 1/4"-20 2 1/4" Partially Threaded ASTM F835 UNC 0.531" 0.161" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00302 1/4"-20 2 1/2" Partially Threaded ASTM F835 UNC 0.531" 0.161" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00582 1/4"-20 2 1/2" Partially Threaded ASTM F835 UNC 0.531" 0.161" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00303 1/4"-20 2 3/4" Partially Threaded ASTM F835 UNC 0.531" 0.161" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00583 1/4"-20 2 3/4" Partially Threaded ASTM F835 UNC 0.531" 0.161" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
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