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
0312FA00309 3/8"-16 6" Fully Threaded ASME B18.3 UNC 0.781" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00183 3/8"-16 6" Fully Threaded ASME B18.3 UNC 0.781" 0.234" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00202 3/8"-16 8" Fully Threaded ASME B18.3 UNC 0.781" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00203 3/8"-16 10" Fully Threaded ASME B18.3 UNC 0.781" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00303 3/8"-24 5/8" Fully Threaded ASME B18.3 UNF 0.781" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00302 3/8"-24 3/4" Fully Threaded ASME B18.3 UNF 0.781" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00047 3/8"-24 3/4" Fully Threaded ASME B18.3 UNF 0.781" 0.234" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00304 3/8"-24 1" Fully Threaded ASME B18.3 UNF 0.781" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00048 3/8"-24 1" Fully Threaded ASME B18.3 UNF 0.781" 0.234" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00305 3/8"-24 1 1/4" Fully Threaded ASME B18.3 UNF 0.781" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00306 3/8"-24 1 1/2" Fully Threaded ASME B18.3 UNF 0.781" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00049 3/8"-24 1 1/2" Fully Threaded ASME B18.3 UNF 0.781" 0.234" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00186 3/8"-24 1 3/4" Fully Threaded ASME B18.3 UNF 0.781" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00307 3/8"-24 2" Fully Threaded ASME B18.3 UNF 0.781" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00050 3/8"-24 2" Fully Threaded ASME B18.3 UNF 0.781" 0.234" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00204 3/8"-24 2 1/2" Fully Threaded ASME B18.3 UNF 0.781" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00205 3/8"-24 3" Fully Threaded ASME B18.3 UNF 0.781" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00206 3/8"-24 3 1/2" Fully Threaded ASME B18.3 UNF 0.781" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00207 3/8"-24 4" Fully Threaded ASME B18.3 UNF 0.781" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00314 7/16"-14 3/4" Fully Threaded ASME B18.3 UNC 0.844" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00310 7/16"-14 1" Fully Threaded ASME B18.3 UNC 0.844" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00051 7/16"-14 1" Fully Threaded ASME B18.3 UNC 0.844" 0.234" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00311 7/16"-14 1 1/4" Fully Threaded ASME B18.3 UNC 0.844" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00184 7/16"-14 1 1/4" Fully Threaded ASME B18.3 UNC 0.844" 0.234" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00312 7/16"-14 1 1/2" Fully Threaded ASME B18.3 UNC 0.844" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00185 7/16"-14 1 1/2" Fully Threaded ASME B18.3 UNC 0.844" 0.234" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00187 7/16"-14 1 3/4" Fully Threaded ASME B18.3 UNC 0.844" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00313 7/16"-14 2" Fully Threaded ASME B18.3 UNC 0.844" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00052 7/16"-14 2" Fully Threaded ASME B18.3 UNC 0.844" 0.234" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00188 7/16"-14 2 1/2" Fully Threaded ASME B18.3 UNC 0.844" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00189 7/16"-14 3" Fully Threaded ASME B18.3 UNC 0.844" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00190 7/16"-14 4" Fully Threaded ASME B18.3 UNC 0.844" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00315 7/16"-20 3/4" Fully Threaded ASME B18.3 UNF 0.844" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00316 7/16"-20 1" Fully Threaded ASME B18.3 UNF 0.844" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00317 7/16"-20 1 1/4" Fully Threaded ASME B18.3 UNF 0.844" 0.234" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00150 1/2"-13 5/8" Partially Threaded - UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00318 1/2"-13 3/4" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00188 1/2"-13 3/4" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00319 1/2"-13 7/8" Fully Threaded ASME B18.3, ASTM F879 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00320 1/2"-13 1" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00189 1/2"-13 1" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00462 1/2"-13 1" Partially Threaded - UNC 0.937" 0.181" 18-8 Stainless Steel 70000 psi Rockwell B70
0312FA00322 1/2"-13 1 1/8" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00053 1/2"-13 1 1/8" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00321 1/2"-13 1 1/4" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00190 1/2"-13 1 1/4" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00463 1/2"-13 1 1/4" Partially Threaded - UNC 0.937" 0.181" 18-8 Stainless Steel 70000 psi Rockwell B70
0312FA00324 1/2"-13 1 3/8" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00054 1/2"-13 1 3/8" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00323 1/2"-13 1 1/2" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00191 1/2"-13 1 1/2" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00464 1/2"-13 1 1/2" Partially Threaded - UNC 0.937" 0.181" 18-8 Stainless Steel 70000 psi Rockwell B70
0312FA00325 1/2"-13 1 3/4" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00192 1/2"-13 1 3/4" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00326 1/2"-13 1 7/8" Fully Threaded ASME B18.3, ASTM F879 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00327 1/2"-13 2" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00193 1/2"-13 2" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00465 1/2"-13 2" Partially Threaded - UNC 0.937" 0.181" 18-8 Stainless Steel 70000 psi Rockwell B70
0312FA00328 1/2"-13 2 1/4" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00186 1/2"-13 2 1/4" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00329 1/2"-13 2 1/2" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00194 1/2"-13 2 1/2" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00330 1/2"-13 2 3/4" Fully Threaded ASME B18.3, ASTM F879 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00331 1/2"-13 3" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00195 1/2"-13 3" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00332 1/2"-13 3 1/4" Fully Threaded ASME B18.3, ASTM F879 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00333 1/2"-13 3 1/2" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00196 1/2"-13 3 1/2" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00208 1/2"-13 3 3/4" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00334 1/2"-13 4" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00197 1/2"-13 4" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00335 1/2"-13 4 1/2" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00336 1/2"-13 5" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00220 1/2"-13 5" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00209 1/2"-13 5 1/2" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00337 1/2"-13 6" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00210 1/2"-13 8" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00211 1/2"-13 10" Fully Threaded ASME B18.3 UNC 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00338 1/2"-20 3/4" Fully Threaded ASME B18.3 UNF 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00187 1/2"-20 3/4" Fully Threaded ASME B18.3 UNF 0.938" 0.251" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00339 1/2"-20 1" Fully Threaded ASME B18.3 UNF 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00055 1/2"-20 1" Fully Threaded ASME B18.3 UNF 0.938" 0.251" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00162 1/2"-20 1 1/4" Fully Threaded ASME B18.3 UNF 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00340 1/2"-20 1 1/2" Fully Threaded ASME B18.3 UNF 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00056 1/2"-20 1 1/2" Fully Threaded ASME B18.3 UNF 0.938" 0.251" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00212 1/2"-20 1 3/4" Fully Threaded ASME B18.3 UNF 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00341 1/2"-20 2" Fully Threaded ASME B18.3 UNF 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00057 1/2"-20 2" Fully Threaded ASME B18.3 UNF 0.938" 0.251" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00213 1/2"-20 2 1/2" Fully Threaded ASME B18.3 UNF 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00214 1/2"-20 3" Fully Threaded ASME B18.3 UNF 0.938" 0.251" 18-8 Stainless Steel 70000 psi Rockwell B55
0312FA00342 5/8"-11 1" Fully Threaded ASME B18.3 UNC 1.188" 0.324" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00198 5/8"-11 1" Fully Threaded ASME B18.3 UNC 1.188" 0.324" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00343 5/8"-11 1 1/4" Fully Threaded ASME B18.3 UNC 1.188" 0.324" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00199 5/8"-11 1 1/4" Fully Threaded ASME B18.3 UNC 1.188" 0.324" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00344 5/8"-11 1 1/2" Fully Threaded ASME B18.3 UNC 1.188" 0.324" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00200 5/8"-11 1 1/2" Fully Threaded ASME B18.3 UNC 1.188" 0.324" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00345 5/8"-11 1 3/4" Fully Threaded ASME B18.3 UNC 1.188" 0.324" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00201 5/8"-11 1 3/4" Fully Threaded ASME B18.3 UNC 1.188" 0.324" 316 Stainless Steel 70000 psi Rockwell B55
0312FA00346 5/8"-11 2" Fully Threaded ASME B18.3 UNC 1.188" 0.324" 18-8 Stainless Steel 70000 psi Rockwell B55
0314FA00202 5/8"-11 2" Fully Threaded ASME B18.3 UNC 1.188" 0.324" 316 Stainless Steel 70000 psi Rockwell B55
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