Thumb Nuts

503 products

Thumb Nuts

Thumb Nuts are hand-tightened fasteners designed with wing-like projections or knurled edges for tool-free installation and adjustment in applications requiring frequent access or quick assembly. At Skdin, we offer high-quality Thumb Nuts in various designs and materials, including aluminum, stainless steel, and nylon variants. Our thumb nuts feature ergonomic designs that provide comfortable grip and sufficient torque for hand tightening without requiring tools. These nuts are ideal for applications where frequent adjustments are needed or where tools may not be readily available. Explore our selection to find the perfect thumb nuts for your specific application requirements.

System of Measurement
Inch Metric
Thread Size
0-80 1-72 1/2"-13 1/2"-20 1/4"-20 1/4"-28 10-24 10-32 12-24 2-56 3-48 3/4"-10 3/4"-16 3/8"-16 3/8"-24 4-40 5-40 5/16"-18 5/16"-24 5/8"-11 5/8"-18 6-32 7/16"-14 7/16"-20 8-32 M1.6 M10 M12 M14 M16 M18 M2 M2.5 M20 M3 M3.5 M4 M5 M6 M8
Material
18-8 Stainless Steel 316 Stainless Steel Acetal Plastic Black Corrosion-Resistant-Coated Steel Black Zinc Alloy Black-Oxide 18-8 Stainless Steel Black-Oxide Steel Brass Iron Nylon 6/6 Plastic Nylon Plastic Passivated 18-8 Stainless Steel Steel Zinc Alloy Zinc-Plated Brass Zinc-Plated Iron Zinc-Plated Steel
Nut Type
Flange, Thumb, Hex Thumb Thumb, Flange Thumb, Locknut Thumb;Flange
Width
5/16" 3/8" 7/16" 1/2" 9/16" 5/8" 3/4" 7/8" 1" 1 1/32" 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 5/8" 2 3/4" 3" 3 1/2" 9 mm 10 mm 12 mm 16 mm 17.6 mm 19.5 mm 20 mm 21 mm 21.5 mm 22.5 mm 22.8 mm 23 mm 23.1 mm 25 mm 25.4 mm 26 mm 26.3 mm 27 mm 27.7 mm 27.8 mm 28.6 mm 30.1 mm 30.3 mm 33 mm 34.8 mm 34.9 mm 34.93 mm 36.2 mm 36.5 mm 38.1 mm 39 mm 40 mm 41.3 mm 44.7 mm 47.6 mm 49.4 mm 51 mm 52.7 mm 58.3 mm 65 mm 68.5 mm 69.9 mm 73 mm 76.2 mm 114.3 mm 203.2 mm
Height
3/16" 7/32" 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" 17/32" 37/64" 19/32" 5/8" 11/16" 23/32" 3/4" 7/8" 15/16" 1" 1 1/4" 1 3/8" 1 1/2" 4 mm 5 mm 5.6 mm 6 mm 6.7 mm 7 mm 7.5 mm 8 mm 8.6 mm 9 mm 9.1 mm 9.5 mm 10 mm 10.3 mm 10.5 mm 10.7 mm 11 mm 11.5 mm 11.9 mm 12 mm 12.2 mm 12.7 mm 13 mm 13.6 mm 14.3 mm 14.8 mm 15 mm 15.1 mm 15.9 mm 16 mm 17 mm 17.5 mm 17.7 mm 18 mm 18.3 mm 19 mm 19.1 mm 20 mm 20.6 mm 21 mm 22 mm 22.3 mm 22.7 mm 23 mm 23.8 mm 24.1 mm 25 mm 25.4 mm 28.5 mm 30 mm 30.2 mm 30.8 mm 33 mm 33.5 mm 33.8 mm 35 mm 37.5 mm 40 mm 47.6 mm 79.4 mm
Thread Type
Metric UNC UNF
Thread Pitch
0.35 mm 0.4 mm 0.45 mm 0.5 mm 0.6 mm 0.7 mm 0.8 mm 1 mm 1.25 mm 1.5 mm 1.75 mm 2 mm 2.5 mm
Threading
Fully Threaded Partially Threaded
Head Diameter
7/32" 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 3/8" 6 mm 8 mm 9.6 mm 10 mm 12 mm 13 mm 16 mm 19 mm 20 mm 24 mm 25.4 mm 26 mm 30 mm 31.8 mm 36 mm 56 mm 64 mm
Flange Diameter
1/2" 5/8" 3/4" 7/8"
Flange Thickness
0.03" 0.04" 0.05" 0.06"
Collar Diameter
5/32" 3/16" 7/32" 1/4" 9/32" 5/16" 11/32" 23/64" 3/8" 25/64" 13/32" 7/16" 15/32" 31/64" 1/2" 17/32" 35/64" 9/16" 39/64" 5/8" 41/64" 11/16" 3/4" 13/16" 8 10 12 16 20 4 mm 5 mm 6 mm 8 mm 9 mm 9.1 mm 9.9 mm 10 mm 11 mm 11.5 mm 12 mm 13.6 mm 14.3 mm 16 mm 16.3 mm 19 mm 20 mm 24 mm 28 mm 32 mm
Collar Height
3/64" 1/16" 3/32" 1/8" 9/64" 5/32" 3/16" 13/64" 7/32" 15/64" 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" 0.5 mm 1 mm 1.2 mm 1.6 mm 2 mm 2.4 mm 3 mm 3.2 mm 4 mm 4.8 mm 5 mm 6 mm 7.5 mm 10 mm 12 mm 15 mm 20 mm 25 mm
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Part Number Thread Size Thread Type Thread Fit Thread Direction Height Width Material Nut Type Base Diameter Thumb Nut Head Shape
1043FA00002 M2.5 Metric Class 6H Right Hand 6 mm - 18-8 Stainless Steel Thumb, Flange - Round
1043FA00032 M2.5 Metric Class 6H Right Hand 6 mm - 18-8 Stainless Steel Thumb, Flange - Round
1043FA00003 M2.5 Metric Class 6H Right Hand 6 mm - Black-Oxide 18-8 Stainless Steel Thumb, Flange - Round
1043FA00013 M2.5 Metric Class 6H Right Hand 6 mm - Passivated 18-8 Stainless Steel Thumb, Flange - Round
1047FA00001 M2.5 Metric Class 6H Right Hand 6 mm - Zinc-Plated Brass Thumb, Flange - Round
1043FA00030 M2.5 Metric Class 6H Right Hand 7 mm - 18-8 Stainless Steel Thumb, Flange - Round
1039FA00002 M2.5 Metric Class 6H Right Hand 7.5 mm - 18-8 Stainless Steel Thumb - Round
1028FA00011 M20 Metric Class 6H Right Hand 33.8 mm 68.5 mm 18-8 Stainless Steel Thumb 29.5 mm Wing
1025FA00031 M20 Metric Class 6H Right Hand 47.6 mm 114.3 mm Zinc-Plated Iron Thumb 28.6 mm Wing
1041FA00012 M3 Metric Class 6H Right Hand 5.6 mm - Acetal Plastic Thumb - Round
1043FA00033 M3 Metric Class 6H Right Hand 6 mm - 18-8 Stainless Steel Thumb, Flange - Round
1043FA00016 M3 Metric Class 6H Right Hand 6 mm - Black-Oxide 18-8 Stainless Steel Thumb, Flange - Round
1043FA00017 M3 Metric Class 6H Right Hand 6 mm - Passivated 18-8 Stainless Steel Thumb, Flange - Round
1047FA00002 M3 Metric Class 6H Right Hand 6 mm - Zinc-Plated Brass Thumb, Flange - Round
1039FA00015 M3 Metric Class 6H Right Hand 7.5 mm - 18-8 Stainless Steel Thumb - Round
1039FA00008 M3 Metric Class 6H Right Hand 7.5 mm - Black-Oxide 18-8 Stainless Steel Thumb - Round
1043FA00031 M3 Metric Class 6H Right Hand 8 mm - 18-8 Stainless Steel Thumb, Flange - Round
1028FA00001 M3 Metric Class 6H Right Hand 10 mm 19.5 mm 18-8 Stainless Steel Thumb 8 mm Wing
1031FA00001 M3 Metric Class 6H Right Hand 10 mm 19.5 mm 316 Stainless Steel Thumb 8 mm Wing
1025FA00001 M3 Metric Class 6H Right Hand 11.9 mm 23.1 mm Zinc-Plated Steel Thumb 10.9 mm Wing
1043FA00034 M3.5 Metric Class 6H Right Hand 7 mm - 18-8 Stainless Steel Thumb, Flange - Round
1043FA00018 M3.5 Metric Class 6H Right Hand 7 mm - Black-Oxide 18-8 Stainless Steel Thumb, Flange - Round
1047FA00007 M3.5 Metric Class 6H Right Hand 7 mm - Zinc-Plated Brass Thumb, Flange - Round
1039FA00004 M3.5 Metric Class 6H Right Hand 9.5 mm - 18-8 Stainless Steel Thumb - Round
1048FA00007 M4 Metric Class 6H Right Hand 4 mm - Black-Oxide Steel Thumb - Round
1041FA00013 M4 Metric Class 6H Right Hand 6.7 mm - Acetal Plastic Thumb - Round
1043FA00035 M4 Metric Class 6H Right Hand 7 mm - 18-8 Stainless Steel Thumb, Flange - Round
1043FA00019 M4 Metric Class 6H Right Hand 7 mm - Black-Oxide 18-8 Stainless Steel Thumb, Flange - Round
1043FA00020 M4 Metric Class 6H Right Hand 7 mm - Passivated 18-8 Stainless Steel Thumb, Flange - Round
1047FA00003 M4 Metric Class 6H Right Hand 7 mm - Zinc-Plated Brass Thumb, Flange - Round
1025FA00002 M4 Metric Class 6H Right Hand 8.6 mm 17.6 mm Zinc-Plated Steel Thumb 8 mm Wing
1039FA00016 M4 Metric Class 6H Right Hand 9.5 mm - 18-8 Stainless Steel Thumb - Round
1039FA00009 M4 Metric Class 6H Right Hand 9.5 mm - Black-Oxide 18-8 Stainless Steel Thumb - Round
1031FA00002 M4 Metric Class 6H Right Hand 10 mm 19.5 mm 316 Stainless Steel Thumb 8 mm Wing
1043FA00004 M4 Metric Class 6H Right Hand 10 mm - 18-8 Stainless Steel Thumb, Flange - Round
1043FA00005 M4 Metric Class 6H Right Hand 10 mm - 18-8 Stainless Steel Thumb, Flange - Round
1028FA00002 M4 Metric Class 6H Right Hand 10.3 mm 21.5 mm 18-8 Stainless Steel Thumb 9 mm Wing
1025FA00008 M4 Metric Class 6H Right Hand 10.5 mm 20 mm Zinc-Plated Steel Thumb 8 mm Wing
1033FA00001 M4 Metric Class 6H Right Hand 12.2 mm 22.8 mm Nylon 6/6 Plastic Thumb 10.2 mm Wing
1022FA00001 M4 Metric Class 6H Right Hand 19 mm 20 mm 316 Stainless Steel Thumb 10.8 mm Spade
1022FA00006 M4 Metric Class 6H Right Hand 20 mm 9 mm 316 Stainless Steel Thumb 9 mm Spade
1048FA00008 M5 Metric Class 6H Right Hand 5 mm - Black-Oxide Steel Thumb - Round
1041FA00014 M5 Metric Class 6H Right Hand 7.5 mm - Acetal Plastic Thumb - Round
1043FA00036 M5 Metric Class 6H Right Hand 9 mm - 18-8 Stainless Steel Thumb, Flange - Round
1043FA00021 M5 Metric Class 6H Right Hand 9 mm - Black-Oxide 18-8 Stainless Steel Thumb, Flange - Round
1043FA00022 M5 Metric Class 6H Right Hand 9 mm - Passivated 18-8 Stainless Steel Thumb, Flange - Round
1047FA00004 M5 Metric Class 6H Right Hand 9 mm - Zinc-Plated Brass Thumb, Flange - Round
1028FA00003 M5 Metric Class 6H Right Hand 10.3 mm 21.5 mm 18-8 Stainless Steel Thumb 10.5 mm Wing
1025FA00003 M5 Metric Class 6H Right Hand 11 mm 22.5 mm Zinc-Plated Steel Thumb 10.3 mm Wing
1039FA00017 M5 Metric Class 6H Right Hand 11.5 mm - 18-8 Stainless Steel Thumb - Round
1039FA00010 M5 Metric Class 6H Right Hand 11.5 mm - Black-Oxide 18-8 Stainless Steel Thumb - Round
1031FA00003 M5 Metric Class 6H Right Hand 12 mm 23 mm 316 Stainless Steel Thumb 10.3 mm Wing
1043FA00006 M5 Metric Class 6H Right Hand 12 mm - 18-8 Stainless Steel Thumb, Flange - Round
1043FA00007 M5 Metric Class 6H Right Hand 12 mm - 18-8 Stainless Steel Thumb, Flange - Round
1033FA00002 M5 Metric Class 6H Right Hand 12.2 mm 22.8 mm Nylon 6/6 Plastic Thumb 10.2 mm Wing
1025FA00015 M5 Metric Class 6H Right Hand 12.7 mm 28.6 mm Zinc-Plated Iron Thumb 9.53 mm Wing
1025FA00009 M5 Metric Class 6H Right Hand 13 mm 26 mm Zinc-Plated Steel Thumb 11 mm Wing
1022FA00002 M5 Metric Class 6H Right Hand 21 mm 21 mm 316 Stainless Steel Thumb 11.8 mm Spade
1022FA00007 M5 Metric Class 6H Right Hand 22 mm 10 mm 316 Stainless Steel Thumb 10 mm Spade
1048FA00009 M6 Metric Class 6H Right Hand 6 mm - Black-Oxide Steel Thumb - Round
1043FA00037 M6 Metric Class 6H Right Hand 9 mm - 18-8 Stainless Steel Thumb, Flange - Round
1043FA00023 M6 Metric Class 6H Right Hand 9 mm - Black-Oxide 18-8 Stainless Steel Thumb, Flange - Round
1043FA00024 M6 Metric Class 6H Right Hand 9 mm - Passivated 18-8 Stainless Steel Thumb, Flange - Round
1047FA00005 M6 Metric Class 6H Right Hand 9 mm - Zinc-Plated Brass Thumb, Flange - Round
1041FA00015 M6 Metric Class 6H Right Hand 9.1 mm - Acetal Plastic Thumb - Round
1041FA00016 M6 Metric Class 6H Right Hand 9.1 mm - Acetal Plastic Thumb - Round
1025FA00023 M6 Metric Class 6H Right Hand 11.9 mm 25.4 mm Zinc-Plated Steel Thumb 19.05 mm Wing
1028FA00004 M6 Metric Class 6H Right Hand 12.7 mm 26.3 mm 18-8 Stainless Steel Thumb 13 mm Wing
1031FA00004 M6 Metric Class 6H Right Hand 12.7 mm 26.3 mm 316 Stainless Steel Thumb 13 mm Wing
1025FA00004 M6 Metric Class 6H Right Hand 13.6 mm 27.8 mm Zinc-Plated Steel Thumb 12.7 mm Wing
1025FA00024 M6 Metric Class 6H Right Hand 14.3 mm 38.1 mm Zinc-Plated Steel Thumb 22.22 mm Wing
1039FA00018 M6 Metric Class 6H Right Hand 15 mm - 18-8 Stainless Steel Thumb - Round
1043FA00008 M6 Metric Class 6H Right Hand 15 mm - 18-8 Stainless Steel Thumb, Flange - Round
1043FA00009 M6 Metric Class 6H Right Hand 15 mm - 18-8 Stainless Steel Thumb, Flange - Round
1039FA00011 M6 Metric Class 6H Right Hand 15 mm - Black-Oxide 18-8 Stainless Steel Thumb - Round
1025FA00016 M6 Metric Class 6H Right Hand 15.9 mm 34.9 mm Zinc-Plated Steel Thumb 12.7 mm Wing
1033FA00003 M6 Metric Class 6H Right Hand 16 mm 27.7 mm Nylon 6/6 Plastic Thumb 14.2 mm Wing
1025FA00010 M6 Metric Class 6H Right Hand 17 mm 33 mm Zinc-Plated Steel Thumb 13 mm Wing
1025FA00020 M6 Metric Class 6H Right Hand 17.5 mm 27 mm Zinc-Plated Steel Thumb 16 mm Wing
1022FA00008 M6 Metric Class 6H Right Hand 22 mm 12 mm 316 Stainless Steel Thumb 12 mm Spade
1022FA00003 M6 Metric Class 6H Right Hand 25 mm 25 mm 316 Stainless Steel Thumb 14.2 mm Spade
1048FA00010 M8 Metric Class 6H Right Hand 8 mm - Black-Oxide Steel Thumb - Round
1041FA00017 M8 Metric Class 6H Right Hand 10.7 mm - Acetal Plastic Thumb - Round
1043FA00038 M8 Metric Class 6H Right Hand 12 mm - 18-8 Stainless Steel Thumb, Flange - Round
1043FA00025 M8 Metric Class 6H Right Hand 12 mm - Black-Oxide 18-8 Stainless Steel Thumb, Flange - Round
1043FA00026 M8 Metric Class 6H Right Hand 12 mm - Passivated 18-8 Stainless Steel Thumb, Flange - Round
1047FA00006 M8 Metric Class 6H Right Hand 12 mm - Zinc-Plated Brass Thumb, Flange - Round
1025FA00025 M8 Metric Class 6H Right Hand 14.3 mm 38.1 mm Zinc-Plated Steel Thumb 22.22 mm Wing
1025FA00005 M8 Metric Class 6H Right Hand 14.8 mm 30.3 mm Zinc-Plated Steel Thumb 13.8 mm Wing
1028FA00005 M8 Metric Class 6H Right Hand 15.1 mm 30.1 mm 18-8 Stainless Steel Thumb 15.25 mm Wing
1031FA00005 M8 Metric Class 6H Right Hand 15.1 mm 30.1 mm 316 Stainless Steel Thumb 15.25 mm Wing
1025FA00017 M8 Metric Class 6H Right Hand 17.5 mm 36.5 mm Zinc-Plated Steel Thumb 12.7 mm Wing
1039FA00019 M8 Metric Class 6H Right Hand 18 mm - 18-8 Stainless Steel Thumb - Round
1043FA00010 M8 Metric Class 6H Right Hand 18 mm - 18-8 Stainless Steel Thumb, Flange - Round
1043FA00011 M8 Metric Class 6H Right Hand 18 mm - 18-8 Stainless Steel Thumb, Flange - Round
1039FA00012 M8 Metric Class 6H Right Hand 18 mm - Black-Oxide 18-8 Stainless Steel Thumb - Round
1033FA00004 M8 Metric Class 6H Right Hand 18.3 mm 34.8 mm Nylon 6/6 Plastic Thumb 16.2 mm Wing
1025FA00033 M8 Metric Class 6H Right Hand 19.1 mm 76.2 mm Steel Thumb 24.5 mm Wing
1025FA00026 M8 Metric Class 6H Right Hand 19.1 mm 76.2 mm Zinc-Plated Steel Thumb 24.5 mm Wing
1025FA00011 M8 Metric Class 6H Right Hand 20 mm 39 mm Zinc-Plated Steel Thumb 16 mm Wing
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