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
0309FA00364 1/2"-13 1 5/8" Fully Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00365 1/2"-13 1 3/4" Fully Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00607 1/2"-13 1 3/4" Fully Threaded ASTM F835 UNC 0.938" 0.251" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00366 1/2"-13 2" Fully Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00608 1/2"-13 2" Fully Threaded ASTM F835 UNC 0.938" 0.251" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00367 1/2"-13 2 1/4" Fully Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00609 1/2"-13 2 1/4" Fully Threaded ASTM F835 UNC 0.938" 0.251" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00368 1/2"-13 2 1/2" Partially Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00610 1/2"-13 2 1/2" Partially Threaded ASTM F835 UNC 0.938" 0.251" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00369 1/2"-13 2 3/4" Partially Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00370 1/2"-13 3" Partially Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00611 1/2"-13 3" Partially Threaded ASTM F835 UNC 0.938" 0.251" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00371 1/2"-13 3 1/4" Partially Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00372 1/2"-13 3 1/2" Partially Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00510 1/2"-13 3 1/2" Partially Threaded ASTM F835 UNC 0.938" 0.251" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00373 1/2"-13 3 3/4" Partially Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00374 1/2"-13 4" Partially Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00511 1/2"-13 4" Partially Threaded ASTM F835 UNC 0.938" 0.251" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00375 1/2"-13 4 1/2" Partially Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00376 1/2"-13 5" Partially Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00512 1/2"-13 5" Partially Threaded ASTM F835 UNC 0.938" 0.251" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00377 1/2"-13 5 1/2" Partially Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00378 1/2"-13 6" Partially Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00379 1/2"-13 6 1/2" Partially Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00380 1/2"-13 7" Partially Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00381 1/2"-13 8" Partially Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00382 1/2"-13 9" Partially Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00383 1/2"-13 10" Partially Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00384 1/2"-13 11" Partially Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00385 1/2"-13 12" Partially Threaded ASTM F835 UNC 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00452 1/2"-13 14" Partially Threaded ASTM F835 UNC 0.938" 0.251" Alloy Steel 130000 psi Rockwell C39
0309FA00513 1/2"-20 3/4" Fully Threaded ASME B18.3 UNF 0.938" 0.251" Zinc-Plated Alloy Steel 120000 psi Rockwell C32
0309FA00259 1/2"-20 3/4" Fully Threaded ASTM F835 UNF 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00261 1/2"-20 1" Fully Threaded ASTM F835 UNF 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00632 1/2"-20 1" Fully Threaded ASTM F835 UNF 0.938" 0.251" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00262 1/2"-20 1 1/4" Fully Threaded ASTM F835 UNF 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00264 1/2"-20 1 1/2" Fully Threaded ASTM F835 UNF 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00633 1/2"-20 1 1/2" Fully Threaded ASTM F835 UNF 0.938" 0.251" Zinc-Plated Alloy Steel 130000 psi Rockwell C39
0309FA00265 1/2"-20 1 3/4" Fully Threaded ASTM F835 UNF 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00514 1/2"-20 2" Fully Threaded ASME B18.3 UNF 0.938" 0.251" Zinc-Plated Alloy Steel 120000 psi Rockwell C32
0309FA00266 1/2"-20 2" Fully Threaded ASTM F835 UNF 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00267 1/2"-20 2 1/4" Partially Threaded ASTM F835 UNF 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00268 1/2"-20 2 1/2" Partially Threaded ASTM F835 UNF 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00269 1/2"-20 3" Partially Threaded ASTM F835 UNF 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00270 1/2"-20 3 1/2" Partially Threaded ASTM F835 UNF 0.938" 0.251" Black-Oxide Alloy Steel 130000 psi Rockwell C39
0309FA00453 1/2"-20 4" Partially Threaded ASTM F835 UNF 0.938" 0.251" Alloy Steel 130000 psi Rockwell C39
0309FA00454 1/2"-20 6" Partially Threaded ASTM F835 UNF 0.938" 0.251" Alloy Steel 130000 psi Rockwell C39
0309FA00039 1/2"-20 6 1/2" Partially Threaded ASTM F835 UNF 0.938" 0.251" Alloy Steel 130000 psi Rockwell C39
0309FA00463 5/8"-11 3/4" Fully Threaded ASTM F835 UNC 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00386 5/8"-11 1" Fully Threaded ASTM F835 UNC 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00634 5/8"-11 1" Fully Threaded ASTM F835 UNC 1.188" 0.324" Zinc-Plated Alloy Steel 130000 psi Rockwell C37
0309FA00515 5/8"-11 1 1/4" Fully Threaded ASME B18.3 UNC 1.188" 0.324" Zinc-Plated Alloy Steel 120000 psi Rockwell C32
0309FA00387 5/8"-11 1 1/4" Fully Threaded ASTM F835 UNC 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00388 5/8"-11 1 1/2" Fully Threaded ASTM F835 UNC 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00635 5/8"-11 1 1/2" Fully Threaded ASTM F835 UNC 1.188" 0.324" Zinc-Plated Alloy Steel 130000 psi Rockwell C37
0309FA00516 5/8"-11 1 3/4" Fully Threaded ASME B18.3 UNC 1.188" 0.324" Zinc-Plated Alloy Steel 120000 psi Rockwell C32
0309FA00389 5/8"-11 1 3/4" Fully Threaded ASTM F835 UNC 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00390 5/8"-11 2" Fully Threaded ASTM F835 UNC 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00636 5/8"-11 2" Fully Threaded ASTM F835 UNC 1.188" 0.324" Zinc-Plated Alloy Steel 130000 psi Rockwell C37
0309FA00391 5/8"-11 2 1/4" Fully Threaded ASTM F835 UNC 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00392 5/8"-11 2 1/2" Fully Threaded ASTM F835 UNC 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00637 5/8"-11 2 1/2" Fully Threaded ASTM F835 UNC 1.188" 0.324" Zinc-Plated Alloy Steel 130000 psi Rockwell C37
0309FA00393 5/8"-11 2 3/4" Fully Threaded ASTM F835 UNC 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00394 5/8"-11 3" Fully Threaded ASTM F835 UNC 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00638 5/8"-11 3" Fully Threaded ASTM F835 UNC 1.188" 0.324" Zinc-Plated Alloy Steel 130000 psi Rockwell C37
0309FA00395 5/8"-11 3 1/4" Partially Threaded ASTM F835 UNC 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00396 5/8"-11 3 1/2" Partially Threaded ASTM F835 UNC 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00397 5/8"-11 4" Partially Threaded ASTM F835 UNC 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00398 5/8"-11 4 1/2" Partially Threaded ASTM F835 UNC 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00399 5/8"-11 5" Partially Threaded ASTM F835 UNC 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00400 5/8"-11 5 1/2" Partially Threaded ASTM F835 UNC 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00401 5/8"-11 6" Partially Threaded ASTM F835 UNC 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00402 5/8"-11 7" Partially Threaded ASTM F835 UNC 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00403 5/8"-11 8" Partially Threaded ASTM F835 UNC 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00455 5/8"-11 10" Partially Threaded ASTM F835 UNC 1.188" 0.324" Alloy Steel 130000 psi Rockwell C37
0309FA00427 5/8"-18 1" Fully Threaded ASTM F835 UNF 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00429 5/8"-18 1 1/4" Fully Threaded ASTM F835 UNF 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00430 5/8"-18 1 1/2" Fully Threaded ASTM F835 UNF 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00431 5/8"-18 1 3/4" Fully Threaded ASTM F835 UNF 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00432 5/8"-18 2" Fully Threaded ASTM F835 UNF 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00433 5/8"-18 2 1/4" Fully Threaded ASTM F835 UNF 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00434 5/8"-18 2 1/2" Fully Threaded ASTM F835 UNF 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00435 5/8"-18 3" Fully Threaded ASTM F835 UNF 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00436 5/8"-18 3 1/2" Partially Threaded ASTM F835 UNF 1.188" 0.324" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00456 5/8"-18 4" Partially Threaded ASTM F835 UNF 1.188" 0.324" Alloy Steel 130000 psi Rockwell C37
0309FA00409 3/4"-10 1" Fully Threaded ASTM F835 UNC 1.438" 0.396" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00410 3/4"-10 1 1/4" Fully Threaded ASTM F835 UNC 1.438" 0.396" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00517 3/4"-10 1 1/2" Fully Threaded ASME B18.3 UNC 1.438" 0.396" Zinc-Plated Alloy Steel 120000 psi Rockwell C32
0309FA00411 3/4"-10 1 1/2" Fully Threaded ASTM F835 UNC 1.438" 0.396" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00413 3/4"-10 1 3/4" Fully Threaded ASTM F835 UNC 1.438" 0.396" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00518 3/4"-10 2" Fully Threaded ASME B18.3 UNC 1.438" 0.396" Zinc-Plated Alloy Steel 120000 psi Rockwell C32
0309FA00415 3/4"-10 2" Fully Threaded ASTM F835 UNC 1.438" 0.396" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00416 3/4"-10 2 1/4" Fully Threaded ASTM F835 UNC 1.438" 0.396" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00519 3/4"-10 2 1/2" Fully Threaded ASME B18.3 UNC 1.438" 0.396" Zinc-Plated Alloy Steel 120000 psi Rockwell C32
0309FA00417 3/4"-10 2 1/2" Fully Threaded ASTM F835 UNC 1.438" 0.396" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00418 3/4"-10 2 3/4" Fully Threaded ASTM F835 UNC 1.438" 0.396" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00419 3/4"-10 3" Fully Threaded ASTM F835 UNC 1.438" 0.396" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00420 3/4"-10 3 1/4" Fully Threaded ASTM F835 UNC 1.438" 0.396" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00421 3/4"-10 3 1/2" Partially Threaded ASTM F835 UNC 1.438" 0.396" Black-Oxide Alloy Steel 130000 psi Rockwell C37
0309FA00422 3/4"-10 4" Partially Threaded ASTM F835 UNC 1.438" 0.396" Black-Oxide Alloy Steel 130000 psi Rockwell C37
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