Thumb Screws

1537 products

Thumb Screws

Thumb Screws are user-friendly fasteners designed for hand-tightening without tools, featuring winged or knurled heads for easy grip and operation. At Skdin, we offer a comprehensive range of high-quality Thumb Screws in various styles, materials, and sizes for applications requiring frequent adjustments or tool-free operation. These convenient fasteners are ideal for access panels, electronic enclosures, laboratory equipment, and any application where quick assembly and disassembly is beneficial. Our thumb screws are available with different thread types, head styles, and materials to suit various requirements. Explore our selection to find the perfect thumb screws for your tool-free fastening needs.

System of Measurement
Inch Metric
Specifications Met
DIN 316 DIN 464 DIN 653
Thread Size
4-40 4-48 6-32 6-48 8-32 8-40 10-24 10-32 3/16"-100 1/4"-20 1/4"-28 1/4"-80 5/16"-18 5/16"-24 3/8"-16 1/2"-13 5/8"-11 M2 M2.5 M3 M3.5 M4 M5 M6 M8 M10 M12
Length
3/16" 7/32" 1/4" 9/32" 5/16" 3/8" 13/32" 7/16" 1/2" 17/32" 9/16" 5/8" 21/32" 3/4" 25/32" 7/8" 29/32" 1" 1 1/8" 1 1/4" 1 5/16" 1 3/8" 1 1/2" 1 5/8" 1 3/4" 2" 2 1/16" 2 1/4" 2 5/16" 2 1/2" 2 9/16" 2 3/4" 2 13/16" 3" 3 1/16" 3 1/2" 3 9/16" 3 13/16" 4" 4 5/16" 4 9/16" 5 1/16" 5 5/16" 4 mm 5 mm 6 mm 8 mm 9 mm 10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 18 mm 19 mm 20 mm 24 mm 25 mm 26 mm 30 mm 31 mm 32 mm 34 mm 35 mm 38 mm 40 mm 41 mm 44.5 mm 50 mm 51 mm 57 mm 60 mm 63.5 mm 76 mm 80 mm
Material
18-8 Stainless Steel 2011 Aluminum 316 Stainless Steel 6061 Aluminum Acetal Plastic Black-Oxide Steel Brass Glass-Filled Nylon Plastic Nylon Plastic Steel Zinc-Plated Cast Iron Zinc-Plated Iron Zinc-Plated Steel
Drive Style
External Hex Hex Slotted
Threading
Fully Threaded Partially Threaded
Head Diameter
3/16" 0.25" 19/64" 5/16" 21/64" 11/32" 23/64" 3/8" 25/64" 0.4" 13/32" 27/64" 7/16" 29/64" 31/64" 1/2" 0.53" 35/64" 9/16" 37/64" 39/64" 0.61" 5/8" 41/64" 0.68" 11/16" 3/4" 0.875" 1" 1 1/8" 1 1/4" 1 3/8" 1 1/2" 4.8 mm 6 mm 7 mm 7.5 mm 8 mm 9.5 mm 9.6 mm 10 mm 11 mm 11.5 mm 12 mm 12.7 mm 13 mm 14.5 mm 15.9 mm 16 mm 16.5 mm 19 mm 19.5 mm 20 mm 22.2 mm 23 mm 24 mm 25 mm 26 mm 29 mm 30 mm 32 mm 36 mm 38 mm
Head Height
3/32" 1/8" 9/64" 5/32" 11/64" 3/16" 7/32" 1/4" 9/32" 19/64" 5/16" 21/64" 11/32" 23/64" 3/8" 25/64" 13/32" 7/16" 29/64" 15/32" 1/2" 35/64" 9/16" 19/32" 39/64" 5/8" 43/64" 11/16" 23/32" 3/4" 13/16" 7/8" 15/16" 1" 1 1/8" 1 3/16" 1 1/4" 1 1/2" 2.5 mm 3 mm 3.5 mm 4 mm 4.4 mm 5 mm 5.5 mm 6 mm 6.5 mm 7 mm 7.6 mm 7.8 mm 7.9 mm 8 mm 8.5 mm 8.6 mm 9.5 mm 9.8 mm 10 mm 10.5 mm 11 mm 11.5 mm 12.2 mm 12.7 mm 13 mm 14 mm 14.3 mm 15.5 mm 16 mm 17 mm 17.5 mm 18 mm 19 mm 20 mm 21 mm 22 mm 24 mm 25 mm 33 mm 38 mm 40 mm
Thread Pitch
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
Thread Diameter
0.112" 0.138" 0.164" 0.188" 0.19" 0.25" 0.312" 0.313" 0.375" 0.5" 0.625"
Thread Type
Metric UNC UNF UNS
Drive Size
1/4" 3/16" 3/32" 5/32" 7/64" 9/64"
Tensile Strength
11000 psi 13000 psi 18000 psi 40000 psi 50000 psi 55000 psi 60000 psi 70000 psi 80000 psi 90000 psi 180000 psi
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Part Number Thread Size Length Threading Thread Direction Thread Diameter Thread Type Thread Fit Head Height Head Diameter Material Tensile Strength Hardness
0776FA00032 1/4"-20 1/2" Fully Threaded Right Hand 0.25" UNC Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0775FA00013 1/4"-20 1/2" Fully Threaded Right Hand 0.25" UNC Class 3A 5/16" - 18-8 Stainless Steel - Not Rated
0777FA00002 1/4"-20 1/2" Fully Threaded Right Hand 0.25" UNC Class 3A 15/32" 1 1/2" 18-8 Stainless Steel - Not Rated
0754FA00034 1/4"-20 1/2" Partially Threaded Right Hand 0.25" UNC Class 2A 3/16" 3/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0758FA00008 1/4"-20 1/2" Partially Threaded Right Hand 0.25" UNC Class 2A 7/32" 11/16" Black-Oxide Steel 70000 psi Rockwell B84
0761FA00015 1/4"-20 5/8" Fully Threaded Right Hand 0.25" UNC Class 2A 1/4" 1/2" 6061 Aluminum 40000 psi Rockwell B60
0760FA00047 1/4"-20 5/8" Fully Threaded Right Hand 0.25" UNC Class 2A 1/4" 37/64" 18-8 Stainless Steel 80000 psi Rockwell B85
0764FA00029 1/4"-20 5/8" Fully Threaded Right Hand 0.25" UNC Class 2A 1/4" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0765FA00027 1/4"-20 5/8" Fully Threaded Right Hand 0.25" UNC Class 2A 1/4" 1" Black-Oxide Steel 70000 psi Rockwell B84
0767FA00012 1/4"-20 5/8" Fully Threaded Right Hand 0.25" UNC Class 2A 5/16" 5/8" Brass 50000 psi Rockwell B78
0803FA00008 1/4"-20 5/8" Fully Threaded Right Hand 0.25" UNC Class 2A 3/8" - 18-8 Stainless Steel 80000 psi Rockwell B83
0804FA00008 1/4"-20 5/8" Fully Threaded Right Hand 0.25" UNC Class 2A 3/8" - Black-Oxide Steel 70000 psi Rockwell B84
0794FA00020 1/4"-20 5/8" Fully Threaded Right Hand 0.25" UNC Class 2A 29/64" 0.61" Zinc-Plated Steel - Not Rated
0798FA00013 1/4"-20 5/8" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - 18-8 Stainless Steel - Not Rated
0802FA00017 1/4"-20 5/8" Fully Threaded Right Hand 0.25" UNC Class 2A 19/32" - 18-8 Stainless Steel - Not Rated
0773FA00036 1/4"-20 5/8" Fully Threaded Right Hand 0.25" UNC Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0776FA00033 1/4"-20 5/8" Fully Threaded Right Hand 0.25" UNC Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0775FA00014 1/4"-20 5/8" Fully Threaded Right Hand 0.25" UNC Class 3A 5/16" - 18-8 Stainless Steel - Not Rated
0777FA00003 1/4"-20 5/8" Fully Threaded Right Hand 0.25" UNC Class 3A 15/32" 1 1/2" 18-8 Stainless Steel - Not Rated
0754FA00035 1/4"-20 5/8" Partially Threaded Right Hand 0.25" UNC Class 2A 3/16" 3/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0789FA00020 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 5/32" 35/64" Nylon Plastic 11000 psi Not Rated
0762FA00016 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 5/32" 9/16" Brass - Not Rated
0759FA00011 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 3/16" 1/2" Brass 50000 psi Rockwell B78
0792FA00011 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 3/16" 3/4" Nylon Plastic 13000 psi Not Rated
0758FA00009 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 7/32" 11/16" Black-Oxide Steel 70000 psi Rockwell B84
0761FA00018 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 1/4" 1/2" 6061 Aluminum 40000 psi Rockwell B60
0760FA00023 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 1/4" 37/64" 18-8 Stainless Steel 80000 psi Rockwell B85
0764FA00030 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 1/4" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0765FA00028 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 1/4" 1" Black-Oxide Steel 70000 psi Rockwell B84
0791FA00017 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 5/16" 31/64" Nylon Plastic 11000 psi Not Rated
0767FA00013 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 5/16" 5/8" Brass 50000 psi Rockwell B78
0790FA00013 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 23/64" 35/64" Glass-Filled Nylon Plastic 18000 psi Not Rated
0803FA00009 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 3/8" - 18-8 Stainless Steel 80000 psi Rockwell B83
0804FA00009 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 3/8" - Black-Oxide Steel 70000 psi Rockwell B84
0794FA00021 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 29/64" 0.61" Zinc-Plated Steel - Not Rated
0768FA00027 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" 5/16" 18-8 Stainless Steel 80000 psi Rockwell B83
0771FA00008 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" 5/8" 18-8 Stainless Steel 80000 psi Rockwell B83
0772FA00002 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" 5/8" Black-Oxide Steel 70000 psi Rockwell B84
0798FA00014 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - 18-8 Stainless Steel - Not Rated
0800FA00008 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - Brass 50000 psi Rockwell B40
0796FA00016 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - Steel 40000 psi Rockwell B55
0796FA00064 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - Zinc-Plated Steel 40000 psi Rockwell B55
0788FA00007 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 35/64" - Zinc-Plated Steel 40000 psi Rockwell B71
0802FA00018 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 19/32" - 18-8 Stainless Steel - Not Rated
0801FA00015 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 19/32" - Steel 40000 psi Rockwell B55
0801FA00053 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 19/32" - Zinc-Plated Steel 40000 psi Rockwell B55
0794FA00006 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 5/8" 7/16" Zinc-Plated Iron - Not Rated
0773FA00037 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0776FA00034 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0775FA00015 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 3A 5/16" - 18-8 Stainless Steel - Not Rated
0777FA00004 1/4"-20 3/4" Fully Threaded Right Hand 0.25" UNC Class 3A 15/32" 1 1/2" 18-8 Stainless Steel - Not Rated
0793FA00004 1/4"-20 3/4" Fully Threaded Right Hand - UNC Class 2A 5/8" 1/2" 18-8 Stainless Steel - Not Rated
0755FA00031 1/4"-20 3/4" Partially Threaded Right Hand 0.25" UNC Class 2A 3/16" 3/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0754FA00029 1/4"-20 3/4" Partially Threaded Right Hand 0.25" UNC Class 2A 3/16" 3/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0760FA00048 1/4"-20 7/8" Fully Threaded Right Hand 0.25" UNC Class 2A 1/4" 37/64" 18-8 Stainless Steel 80000 psi Rockwell B85
0773FA00038 1/4"-20 7/8" Fully Threaded Right Hand 0.25" UNC Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0776FA00035 1/4"-20 7/8" Fully Threaded Right Hand 0.25" UNC Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0775FA00016 1/4"-20 7/8" Fully Threaded Right Hand 0.25" UNC Class 3A 5/16" - 18-8 Stainless Steel - Not Rated
0777FA00005 1/4"-20 7/8" Fully Threaded Right Hand 0.25" UNC Class 3A 15/32" 1 1/2" 18-8 Stainless Steel - Not Rated
0789FA00021 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 5/32" 35/64" Nylon Plastic 11000 psi Not Rated
0762FA00017 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 5/32" 9/16" Brass - Not Rated
0759FA00012 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 3/16" 1/2" Brass 50000 psi Rockwell B78
0792FA00012 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 3/16" 3/4" Nylon Plastic 13000 psi Not Rated
0758FA00010 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 7/32" 11/16" Black-Oxide Steel 70000 psi Rockwell B84
0760FA00024 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 1/4" 37/64" 18-8 Stainless Steel 80000 psi Rockwell B85
0764FA00031 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 1/4" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0765FA00029 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 1/4" 1" Black-Oxide Steel 70000 psi Rockwell B84
0791FA00018 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 5/16" 31/64" Nylon Plastic 11000 psi Not Rated
0790FA00014 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 23/64" 35/64" Glass-Filled Nylon Plastic 18000 psi Not Rated
0803FA00010 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 7/16" - 18-8 Stainless Steel 80000 psi Rockwell B83
0804FA00010 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 7/16" - Black-Oxide Steel 70000 psi Rockwell B84
0794FA00022 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 29/64" 0.61" Zinc-Plated Steel - Not Rated
0769FA00017 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" 5/16" 18-8 Stainless Steel 80000 psi Rockwell B85
0768FA00028 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" 5/16" 18-8 Stainless Steel 80000 psi Rockwell B85
0771FA00009 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" 5/8" 18-8 Stainless Steel 80000 psi Rockwell B83
0772FA00009 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" 5/8" Black-Oxide Steel 70000 psi Rockwell B84
0798FA00015 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - 18-8 Stainless Steel - Not Rated
0800FA00009 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - Brass 50000 psi Rockwell B40
0796FA00017 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - Steel 40000 psi Rockwell B55
0796FA00065 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - Zinc-Plated Steel 40000 psi Rockwell B55
0788FA00008 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 35/64" - Zinc-Plated Steel 40000 psi Rockwell B71
0802FA00019 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 19/32" - 18-8 Stainless Steel - Not Rated
0801FA00016 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 19/32" - Steel 40000 psi Rockwell B55
0801FA00054 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 19/32" - Zinc-Plated Steel 40000 psi Rockwell B55
0794FA00007 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 5/8" 7/16" Zinc-Plated Iron - Not Rated
0784FA00009 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 2A 5/8" - Black-Oxide Steel 180000 psi Rockwell C40
0773FA00039 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0775FA00017 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 3A 5/16" - 18-8 Stainless Steel - Not Rated
0777FA00006 1/4"-20 1" Fully Threaded Right Hand 0.25" UNC Class 3A 15/32" 1 1/2" 18-8 Stainless Steel - Not Rated
0793FA00005 1/4"-20 1" Fully Threaded Right Hand - UNC Class 2A 5/8" 1/2" 18-8 Stainless Steel - Not Rated
0755FA00033 1/4"-20 1" Partially Threaded Right Hand 0.25" UNC Class 2A 3/16" 3/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0754FA00030 1/4"-20 1" Partially Threaded Right Hand 0.25" UNC Class 2A 3/16" 3/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0754FA00055 1/4"-20 1" Partially Threaded Right Hand 0.25" UNC Class 2A 3/16" 1" 18-8 Stainless Steel 80000 psi Rockwell B85
0755FA00032 1/4"-20 1" Partially Threaded Right Hand 0.25" UNC Class 2A 3/16" 1" 18-8 Stainless Steel 80000 psi Rockwell B85
0781FA00007 1/4"-20 1" Partially Threaded Right Hand 0.25" UNC Class 2A 5/16" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0782FA00004 1/4"-20 1" Partially Threaded Right Hand 0.25" UNC Class 2A 5/16" 1" Black-Oxide Steel 70000 psi Rockwell B84
0776FA00036 1/4"-20 1 1/8" Fully Threaded Right Hand 0.25" UNC Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0789FA00022 1/4"-20 1 1/4" Fully Threaded Right Hand 0.25" UNC Class 2A 5/32" 35/64" Nylon Plastic 11000 psi Not Rated
0792FA00013 1/4"-20 1 1/4" Fully Threaded Right Hand 0.25" UNC Class 2A 3/16" 3/4" Nylon Plastic 13000 psi Not Rated
0760FA00049 1/4"-20 1 1/4" Fully Threaded Right Hand 0.25" UNC Class 2A 1/4" 37/64" 18-8 Stainless Steel 80000 psi Rockwell B85
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