Thumb Nuts

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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
1022FA00009 M8 Metric Class 6H Right Hand 25 mm 16 mm 316 Stainless Steel Thumb 16 mm Spade
1025FA00021 M8 Metric Class 6H Right Hand 25.4 mm 41.3 mm Zinc-Plated Steel Thumb 22.23 mm Wing
1022FA00004 M8 Metric Class 6H Right Hand 33 mm 33 mm 316 Stainless Steel Thumb 18 mm Spade
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