Flange Nuts

670 products

Flange Nuts

Flange Nuts are specialized fasteners that feature an integrated washer-like flange which distributes pressure over a larger surface area, reducing the risk of damage to the connected material. At Skdin, we offer high-quality Flange Nuts in various sizes, materials, and finishes for applications where increased bearing surface is beneficial. The flange acts as a built-in washer, providing a smooth and stable bearing surface that helps prevent loosening under vibration. Our flange nuts are ideal for automotive, furniture, and construction applications where a wide bearing surface is required. Explore our selection to find the perfect flange nuts for your project requirements.

System of Measurement
Inch Metric
Thread Size
1 1/4"-7 1"-12 1"-14 1"-8 1/2"-13 1/2"-20 1/4"-20 1/4"-28 10-24 10-32 11/32"-24 12-24 2-56 3/4"-10 3/4"-16 3/8"-16 3/8"-24 4-40 5/16"-18 5/16"-24 5/8"-11 5/8"-18 6-32 7/16"-14 7/16"-20 7/8"-14 7/8"-9 8-32 9/16"-12 9/16"-18 M10 M11 M12 M14 M16 M18 M20 M24 M3 M30 M36 M4 M5 M6 M7 M8 M9
Material
18-8 Stainless Steel 316 Stainless Steel A286 Stainless Steel Black Corrosion-Resistant-Coated Steel Black-Oxide 18-8 Stainless Steel Black-Oxide Steel Black-Phosphate Steel Cadmium Yellow-Chromate Plated Steel Fiberglass Nylon 6/6 Plastic Phosphate Coated Steel Silver-Plated A286 Stainless Steel Steel Zinc Yellow-Chromate Plated Steel Zinc-Flake-Coated Steel Zinc-Plated Steel
Nut Type
Flange Flange, Hex Flange, Locknut, Hex
Width
1/8" 5/32" 3/16" 7/32" 1/4" 5/16" 21/64" 11/32" 23/64" 3/8" 27/64" 7/16" 1/2" 9/16" 5/8" 11/16" 3/4" 13/16" 7/8" 15/16" 1 1/16" 1 1/8" 1 3/16" 1 1/4" 1 5/16" 1 7/16" 1 1/2" 1 5/8" 1 13/16" 5 mm 5.5 mm 7 mm 8 mm 9 mm 10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 17 mm 18 mm 19 mm 21 mm 22 mm 24 mm 27 mm 30 mm 36 mm 37 mm 41 mm 46 mm 55 mm
Height
3/32" 1/8" 9/64" 5/32" 11/64" 3/16" 13/64" 7/32" 15/64" 1/4" 17/64" 9/32" 19/64" 5/16" 21/64" 11/32" 23/64" 3/8" 25/64" 13/32" 27/64" 7/16" 29/64" 15/32" 1/2" 33/64" 17/32" 35/64" 9/16" 19/32" 5/8" 41/64" 21/32" 43/64" 11/16" 45/64" 23/32" 3/4" 25/32" 51/64" 13/16" 53/64" 7/8" 57/64" 29/32" 1" 1 1/64" 1 1/32" 1 1/8" 1 15/64" 1 1/4" 1 17/64" 1 35/64" 1 19/32" 3.7 mm 4 mm 4.2 mm 4.3 mm 4.65 mm 5 mm 5.5 mm 6 mm 6.1 mm 7 mm 7.1 mm 7.3 mm 7.9 mm 8 mm 8.1 mm 8.4 mm 9 mm 9.1 mm 9.4 mm 9.5 mm 10 mm 10.2 mm 10.8 mm 11 mm 11.1 mm 11.4 mm 11.5 mm 12 mm 12.8 mm 13 mm 13.5 mm 13.8 mm 14 mm 15 mm 15.9 mm 16 mm 16.1 mm 17 mm 18 mm 18.2 mm 18.3 mm 18.8 mm 20 mm 20.3 mm 21 mm 22.4 mm 23 mm 24 mm 24.8 mm 25 mm 27 mm 28.6 mm 30 mm 31.3 mm 32 mm 36 mm 45 mm 54 mm
Drive Style
External 12-Point External Hex
Thread Type
Metric UNC UNF UNS
Thread Pitch
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 4 mm
Flange Diameter
0.167" 13/64" 0.206" 0.244" 9/32" 0.29" 0.33" 11/32" 3/8" 25/64" 13/32" 0.42" 27/64" 0.422" 7/16" 15/32" 0.469" 0.49" 1/2" 0.52" 17/32" 0.54" 0.56" 9/16" 19/32" 0.594" 0.62" 5/8" 41/64" 43/64" 0.675" 0.68" 11/16" 45/64" 0.708" 47/64" 3/4" 0.784" 0.81" 13/16" 0.814" 53/64" 7/8" 59/64" 0.93" 15/16" 31/32" 1" 1 1/64" 1.016" 1.031" 1 1/32" 1 1/16" 1.07" 1 1/8" 1 3/16" 1 13/64" 1 1/4" 1 9/32" 1 21/64" 1.33" 1 3/8" 1 1/2" 1 37/64" 1.585" 1 5/8" 1 11/16" 1 3/4" 2" 2 1/16" 2 1/4" 2 1/2" 10.5 12 13.6 14 15 15.6 15.9 17.8 18.2 19.1 20.7 20.9 22.2 23.5 8 mm 10 mm 10.2 mm 10.5 mm 11 mm 11.2 mm 11.8 mm 14 mm 14.2 mm 14.25 mm 15.9 mm 16 mm 17.5 mm 17.9 mm 18 mm 18.25 mm 19 mm 21 mm 21.8 mm 22 mm 22.2 mm 25 mm 26 mm 27 mm 28 mm 28.6 mm 29.9 mm 31 mm 33 mm 34 mm 34.5 mm 34.9 mm 37 mm 40 mm 42.8 mm 44.5 mm 45 mm 49 mm 50.8 mm 51 mm 58 mm 68 mm
Flange Thickness
0.01" 0.02" 0.03" 0.04" 0.05" 0.06" 0.07" 0.08" 0.09" 0.1" 0.11" 0.12" 0.13" 0.14" 0.15" 0.16" 0.17" 0.19" 0.21" 0.22" 0.25" 0.28" 0.44" 0.47" 0.6 mm 0.7 mm 0.8 mm 0.9 mm 1 mm 1.1 mm 1.18 mm 1.19 mm 1.2 mm 1.3 mm 1.31 mm 1.4 mm 1.5 mm 1.6 mm 1.65 mm 1.75 mm 1.8 mm 1.81 mm 2 mm 2.1 mm 2.19 mm 2.2 mm 2.4 mm 2.5 mm 2.6 mm 2.8 mm 2.9 mm 3 mm 3.2 mm 3.5 mm 3.6 mm 4 mm 4.5 mm 4.8 mm 5 mm 5.3 mm 5.6 mm 6 mm 6.2 mm 6.4 mm 7 mm 8 mm 9 mm 10 mm 11.1 mm 11.9 mm
Washer Material
18-8 Stainless Steel Steel
Washer Thickness
1/8" 5/32" 11/64" 3/16" 7/32" 1/4" 17/64" 19/64"
Strength Class
Class 10 Class 8 Grade 5 Grade 8 Grade F Grade G
Show more▼
Part Number Thread Size Thread Type Thread Fit Thread Direction Width Drive Style Material Height Flange Thickness Locking Type
1226FA00021 3/8"-16 UNC Class 2B Right Hand 9/16" External Hex Zinc Yellow-Chromate Plated Steel 27/64" 0.06" Distorted Thread
1215FA00011 3/8"-16 UNC Class 2B Right Hand 9/16" External Hex Zinc-Flake-Coated Steel 11/32" 0.04" Serrations
1213FA00016 3/8"-16 UNC Class 2B Right Hand 9/16" External Hex Zinc-Plated Steel 11/32" 0.04" Serrations
1211FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" External Hex Zinc-Plated Steel 11/32" 0.04" Serrations
1234FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" External Hex Zinc-Plated Steel 11/32" 0.04" -
1230FA00026 3/8"-16 UNC Class 2B Right Hand 9/16" External Hex Zinc-Plated Steel 11/32" 0.08" -
1215FA00038 3/8"-16 UNC Class 2B Right Hand 9/16" External Hex Zinc-Plated Steel 11/32" 0.1" Serrations
1215FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" External Hex Zinc-Plated Steel 25/64" 0.04" Serrations
1220FA00008 3/8"-16 UNC Class 2B Right Hand 9/16" External Hex Zinc-Plated Steel 13/32" 0.06" Nylon Insert
1238FA00003 3/8"-16 UNC Class 2B Right Hand 11/16" External Hex 18-8 Stainless Steel 1/2" 0.13" -
1245FA00003 3/8"-16 UNC Class 2B Right Hand 11/16" External Hex 18-8 Stainless Steel 21/32" 0.13" -
1236FA00003 3/8"-16 UNC Class 2B Right Hand 11/16" External Hex Black-Oxide Steel 1/2" 0.13" -
1209FA00003 3/8"-16 UNC Class 2B Right Hand 11/16" External Hex Black-Oxide Steel 17/32" 0.16" -
1244FA00003 3/8"-16 UNC Class 2B Right Hand 11/16" External Hex Black-Oxide Steel 21/32" 0.13" -
1243FA00020 3/8"-16 UNC Class 3B Right Hand 7/16" External 12-Point A286 Stainless Steel 25/64" 0.09" -
1242FA00005 3/8"-16 UNC Class 3B Right Hand 7/16" External 12-Point Black-Oxide Steel 25/64" 0.09" -
1241FA00005 3/8"-24 UNC Class 2B Right Hand 9/16" External Hex Fiberglass 3/4" 0.12" -
1216FA00011 3/8"-24 UNF Class 2B Right Hand 9/16" External Hex 18-8 Stainless Steel 11/32" 0.12" Serrations
1218FA00009 3/8"-24 UNF Class 2B Right Hand 9/16" External Hex 316 Stainless Steel 11/32" 0.13" Serrations
1215FA00026 3/8"-24 UNF Class 2B Right Hand 9/16" External Hex Black-Oxide Steel 11/32" 0.04" Serrations
1226FA00033 3/8"-24 UNF Class 2B Right Hand 9/16" External Hex Black-Oxide Steel 27/64" 0.06" Distorted Thread
1226FA00016 3/8"-24 UNF Class 2B Right Hand 9/16" External Hex Black-Phosphate Steel 27/64" 0.06" Distorted Thread
1226FA00022 3/8"-24 UNF Class 2B Right Hand 9/16" External Hex Zinc Yellow-Chromate Plated Steel 27/64" 0.06" Distorted Thread
1215FA00012 3/8"-24 UNF Class 2B Right Hand 9/16" External Hex Zinc-Flake-Coated Steel 11/32" 0.04" Serrations
1211FA00007 3/8"-24 UNF Class 2B Right Hand 9/16" External Hex Zinc-Plated Steel 11/32" 0.04" Serrations
1215FA00043 3/8"-24 UNF Class 2B Right Hand 9/16" External Hex Zinc-Plated Steel 11/32" 0.1" Serrations
1220FA00009 3/8"-24 UNF Class 2B Right Hand 9/16" External Hex Zinc-Plated Steel 13/32" 0.06" Nylon Insert
1238FA00017 3/8"-24 UNF Class 2B Right Hand 11/16" External Hex 18-8 Stainless Steel 1/2" 0.13" -
1240FA00012 3/8"-24 UNF Class 2B Right Hand 11/16" External Hex 316 Stainless Steel 1/2" 0.13" -
1236FA00013 3/8"-24 UNF Class 2B Right Hand 11/16" External Hex Black-Oxide Steel 1/2" 0.13" -
1209FA00011 3/8"-24 UNF Class 2B Right Hand 11/16" External Hex Black-Oxide Steel 17/32" 0.16" -
1243FA00021 3/8"-24 UNF Class 3B Right Hand 7/16" External 12-Point A286 Stainless Steel 25/64" 0.09" -
1242FA00006 3/8"-24 UNF Class 3B Right Hand 7/16" External 12-Point Black-Oxide Steel 25/64" 0.09" -
1229FA00005 3/8"-24 UNF Class 3B Right Hand 7/16" External Hex A286 Stainless Steel 9/32" 0.03" Distorted Thread
1228FA00007 3/8"-24 UNF Class 3B Right Hand 7/16" External Hex Cadmium Yellow-Chromate Plated Steel 9/32" 0.04" Distorted Thread
1228FA00016 3/8"-24 UNF Class 3B Right Hand 7/16" External Hex Cadmium Yellow-Chromate Plated Steel 9/32" 0.04" Distorted Thread
1229FA00020 3/8"-24 UNF Class 3B Right Hand 7/16" External Hex Silver-Plated A286 Stainless Steel 9/32" 0.04" Distorted Thread
1242FA00013 3/8"-24 UNF Class 3B Right Hand 1/2" External 12-Point Black-Oxide Steel 25/64" 0.13" -
1242FA00012 3/8"-24 UNF Class 3B Right Hand 1/2" External 12-Point Black-Oxide Steel 27/64" 0.13" -
1238FA00010 4-40 UNC Class 2B Right Hand 1/4" External Hex 18-8 Stainless Steel 7/32" 0.05" -
1240FA00008 4-40 UNC Class 2B Right Hand 1/4" External Hex 316 Stainless Steel 7/32" 0.05" -
1215FA00054 4-40 UNC Class 2B Right Hand 1/4" External Hex Zinc-Plated Steel 5/32" 0.02" Serrations
1229FA00008 4-40 UNC Class 3B Right Hand 5/32" External Hex A286 Stainless Steel 1/8" 0.01" Distorted Thread
1228FA00001 4-40 UNC Class 3B Right Hand 5/32" External Hex Cadmium Yellow-Chromate Plated Steel 1/8" 0.03" Distorted Thread
1228FA00010 4-40 UNC Class 3B Right Hand 5/32" External Hex Cadmium Yellow-Chromate Plated Steel 1/8" 0.03" Distorted Thread
1229FA00001 4-40 UNC Class 3B Right Hand 5/32" External Hex Silver-Plated A286 Stainless Steel 1/8" 0.03" Distorted Thread
1206FA00002 4-40 UNC - Right Hand 1/4" External Hex Nylon 6/6 Plastic 3/16" - Thread Forming
1229FA00012 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex 18-8 Stainless Steel 9/32" 0.04" Distorted Thread, Serrated Flange
1216FA00008 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex 18-8 Stainless Steel 9/32" 0.11" Serrations
1224FA00002 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex 18-8 Stainless Steel 11/32" 0.05" Nylon Insert
1218FA00006 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex 316 Stainless Steel 9/32" 0.04" Serrations
1240FA00005 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex 316 Stainless Steel 9/32" 0.13" -
1224FA00010 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex Black-Oxide 18-8 Stainless Steel 3/8" 0.1" Nylon Insert
1215FA00020 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex Black-Oxide Steel 9/32" 0.04" Serrations
1226FA00030 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex Black-Oxide Steel 23/64" 0.05" Distorted Thread
1213FA00003 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex Black-Phosphate Steel 9/32" 0.04" Serrations
1230FA00032 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex Black-Phosphate Steel 9/32" 0.07" -
1226FA00003 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex Black-Phosphate Steel 23/64" 0.05" Distorted Thread
1230FA00003 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex Steel 9/32" 0.07" -
1213FA00009 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex Steel 9/32" 0.1" Serrations
1230FA00020 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex Zinc Yellow-Chromate Plated Steel 9/32" 0.07" -
1223FA00002 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex Zinc Yellow-Chromate Plated Steel 11/32" 0.05" Nylon Insert
1226FA00019 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex Zinc Yellow-Chromate Plated Steel 23/64" 0.05" Distorted Thread
1215FA00010 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex Zinc-Flake-Coated Steel 9/32" 0.04" Serrations
1213FA00015 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex Zinc-Plated Steel 9/32" 0.04" Serrations
1211FA00002 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex Zinc-Plated Steel 9/32" 0.04" Serrations
1234FA00002 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex Zinc-Plated Steel 9/32" 0.04" -
1230FA00025 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex Zinc-Plated Steel 9/32" 0.07" -
1215FA00037 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex Zinc-Plated Steel 9/32" 0.1" Serrations
1220FA00006 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex Zinc-Plated Steel 11/32" 0.05" Nylon Insert
1215FA00002 5/16"-18 UNC Class 2B Right Hand 1/2" External Hex Zinc-Plated Steel 23/64" 0.04" Serrations
1238FA00002 5/16"-18 UNC Class 2B Right Hand 9/16" External Hex 18-8 Stainless Steel 3/8" 0.13" -
1245FA00002 5/16"-18 UNC Class 2B Right Hand 9/16" External Hex 18-8 Stainless Steel 17/32" 0.09" -
1236FA00002 5/16"-18 UNC Class 2B Right Hand 9/16" External Hex Black-Oxide Steel 3/8" 0.13" -
1209FA00002 5/16"-18 UNC Class 2B Right Hand 9/16" External Hex Black-Oxide Steel 7/16" 0.14" -
1244FA00002 5/16"-18 UNC Class 2B Right Hand 9/16" External Hex Black-Oxide Steel 17/32" 0.13" -
1243FA00018 5/16"-18 UNC Class 3B Right Hand 3/8" External 12-Point A286 Stainless Steel 11/32" 0.08" -
1242FA00003 5/16"-18 UNC Class 3B Right Hand 3/8" External 12-Point Black-Oxide Steel 11/32" 0.08" -
1216FA00009 5/16"-24 UNF Class 2B Right Hand 1/2" External Hex 18-8 Stainless Steel 9/32" 0.11" Serrations
1218FA00008 5/16"-24 UNF Class 2B Right Hand 1/2" External Hex 316 Stainless Steel 9/32" 0.13" Serrations
1215FA00025 5/16"-24 UNF Class 2B Right Hand 1/2" External Hex Black-Oxide Steel 9/32" 0.04" Serrations
1226FA00031 5/16"-24 UNF Class 2B Right Hand 1/2" External Hex Black-Oxide Steel 23/64" 0.05" Distorted Thread
1230FA00041 5/16"-24 UNF Class 2B Right Hand 1/2" External Hex Black-Phosphate Steel 9/32" 0.07" -
1226FA00004 5/16"-24 UNF Class 2B Right Hand 1/2" External Hex Black-Phosphate Steel 23/64" 0.05" Distorted Thread
1226FA00020 5/16"-24 UNF Class 2B Right Hand 1/2" External Hex Zinc Yellow-Chromate Plated Steel 23/64" 0.05" Distorted Thread
1211FA00006 5/16"-24 UNF Class 2B Right Hand 1/2" External Hex Zinc-Plated Steel 9/32" 0.04" Serrations
1215FA00042 5/16"-24 UNF Class 2B Right Hand 1/2" External Hex Zinc-Plated Steel 9/32" 0.1" Serrations
1220FA00007 5/16"-24 UNF Class 2B Right Hand 1/2" External Hex Zinc-Plated Steel 11/32" 0.05" Nylon Insert
1238FA00016 5/16"-24 UNF Class 2B Right Hand 9/16" External Hex 18-8 Stainless Steel 3/8" 0.09" -
1240FA00011 5/16"-24 UNF Class 2B Right Hand 9/16" External Hex 316 Stainless Steel 3/8" 0.09" -
1236FA00012 5/16"-24 UNF Class 2B Right Hand 9/16" External Hex Black-Oxide Steel 3/8" 0.13" -
1209FA00010 5/16"-24 UNF Class 2B Right Hand 9/16" External Hex Black-Oxide Steel 7/16" 0.14" -
1243FA00019 5/16"-24 UNF Class 3B Right Hand 3/8" External 12-Point A286 Stainless Steel 11/32" 0.08" -
1242FA00004 5/16"-24 UNF Class 3B Right Hand 3/8" External 12-Point Black-Oxide Steel 11/32" 0.08" -
1229FA00010 5/16"-24 UNF Class 3B Right Hand 3/8" External Hex A286 Stainless Steel 17/64" 0.03" Distorted Thread
1228FA00006 5/16"-24 UNF Class 3B Right Hand 3/8" External Hex Cadmium Yellow-Chromate Plated Steel 17/64" 0.04" Distorted Thread
1228FA00015 5/16"-24 UNF Class 3B Right Hand 3/8" External Hex Cadmium Yellow-Chromate Plated Steel 17/64" 0.04" Distorted Thread
1229FA00019 5/16"-24 UNF Class 3B Right Hand 3/8" External Hex Silver-Plated A286 Stainless Steel 17/64" 0.04" Distorted Thread
1215FA00023 5/8"-11 UNC Class 2B Right Hand 15/16" External Hex Black-Oxide Steel 9/16" 0.05" Serrations
1213FA00007 5/8"-11 UNC Class 2B Right Hand 15/16" External Hex Black-Oxide Steel 9/16" 0.05" Serrations
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