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
0764FA00032 1/4"-20 1 1/4" Fully Threaded Right Hand 0.25" UNC Class 2A 1/4" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0765FA00030 1/4"-20 1 1/4" Fully Threaded Right Hand 0.25" UNC Class 2A 1/4" 1" Black-Oxide Steel 70000 psi Rockwell B84
0791FA00019 1/4"-20 1 1/4" Fully Threaded Right Hand 0.25" UNC Class 2A 5/16" 31/64" Nylon Plastic 11000 psi Not Rated
0803FA00011 1/4"-20 1 1/4" Fully Threaded Right Hand 0.25" UNC Class 2A 7/16" - 18-8 Stainless Steel 80000 psi Rockwell B83
0804FA00011 1/4"-20 1 1/4" Fully Threaded Right Hand 0.25" UNC Class 2A 7/16" - Black-Oxide Steel 70000 psi Rockwell B84
0768FA00030 1/4"-20 1 1/4" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" 5/16" 18-8 Stainless Steel 80000 psi Rockwell B83
0771FA00010 1/4"-20 1 1/4" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" 5/8" 18-8 Stainless Steel 80000 psi Rockwell B83
0798FA00016 1/4"-20 1 1/4" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - 18-8 Stainless Steel - Not Rated
0796FA00018 1/4"-20 1 1/4" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - Steel 40000 psi Rockwell B55
0796FA00066 1/4"-20 1 1/4" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - Zinc-Plated Steel 40000 psi Rockwell B55
0802FA00020 1/4"-20 1 1/4" Fully Threaded Right Hand 0.25" UNC Class 2A 19/32" - 18-8 Stainless Steel - Not Rated
0801FA00017 1/4"-20 1 1/4" Fully Threaded Right Hand 0.25" UNC Class 2A 19/32" - Steel 40000 psi Rockwell B55
0801FA00055 1/4"-20 1 1/4" Fully Threaded Right Hand 0.25" UNC Class 2A 19/32" - Zinc-Plated Steel 40000 psi Rockwell B55
0785FA00006 1/4"-20 1 1/4" Fully Threaded Right Hand 0.25" UNC Class 2A 5/8" - Black-Oxide Steel 180000 psi Rockwell C40
0773FA00040 1/4"-20 1 1/4" Fully Threaded Right Hand 0.25" UNC Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0775FA00018 1/4"-20 1 1/4" Fully Threaded Right Hand 0.25" UNC Class 3A 5/16" - 18-8 Stainless Steel - Not Rated
0777FA00007 1/4"-20 1 1/4" Fully Threaded Right Hand 0.25" UNC Class 3A 15/32" 1 1/2" 18-8 Stainless Steel - Not Rated
0755FA00034 1/4"-20 1 1/4" Partially Threaded Right Hand 0.25" UNC Class 2A 3/16" 3/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0754FA00031 1/4"-20 1 1/4" Partially Threaded Right Hand 0.25" UNC Class 2A 3/16" 3/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0753FA00004 1/4"-20 1 1/4" Partially Threaded Right Hand 0.25" UNC Class 2A 5/8" - Black-Oxide Steel - Not Rated
0776FA00037 1/4"-20 1 3/8" Partially Threaded Right Hand 0.25" UNC Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0789FA00023 1/4"-20 1 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 5/32" 35/64" Nylon Plastic 11000 psi Not Rated
0758FA00011 1/4"-20 1 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 7/32" 11/16" Black-Oxide Steel 70000 psi Rockwell B84
0791FA00020 1/4"-20 1 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 5/16" 31/64" Nylon Plastic 11000 psi Not Rated
0787FA00001 1/4"-20 1 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 5/16" 1" Black-Oxide Steel 70000 psi Not Rated
0790FA00015 1/4"-20 1 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 23/64" 35/64" Glass-Filled Nylon Plastic 18000 psi Not Rated
0786FA00001 1/4"-20 1 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 3/8" 1" Black-Oxide Steel 80000 psi Rockwell B85
0794FA00023 1/4"-20 1 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 29/64" 0.61" Zinc-Plated Steel - Not Rated
0769FA00018 1/4"-20 1 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" 5/16" 18-8 Stainless Steel 80000 psi Rockwell B83
0768FA00029 1/4"-20 1 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" 5/16" 18-8 Stainless Steel 80000 psi Rockwell B83
0798FA00017 1/4"-20 1 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - 18-8 Stainless Steel - Not Rated
0800FA00010 1/4"-20 1 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - Brass 50000 psi Rockwell B40
0796FA00019 1/4"-20 1 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - Steel 40000 psi Rockwell B55
0796FA00067 1/4"-20 1 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - Zinc-Plated Steel 40000 psi Rockwell B55
0802FA00021 1/4"-20 1 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 19/32" - 18-8 Stainless Steel - Not Rated
0801FA00018 1/4"-20 1 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 19/32" - Steel 40000 psi Rockwell B55
0801FA00056 1/4"-20 1 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 19/32" - Zinc-Plated Steel 40000 psi Rockwell B55
0794FA00008 1/4"-20 1 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 5/8" 7/16" Zinc-Plated Iron - Not Rated
0784FA00010 1/4"-20 1 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 5/8" - Black-Oxide Steel 180000 psi Rockwell C40
0793FA00006 1/4"-20 1 1/2" Fully Threaded Right Hand - UNC Class 2A 5/8" 1/2" 18-8 Stainless Steel - Not Rated
0755FA00035 1/4"-20 1 1/2" Partially Threaded Right Hand 0.25" UNC Class 2A 3/16" 3/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0754FA00032 1/4"-20 1 1/2" Partially Threaded Right Hand 0.25" UNC Class 2A 3/16" 3/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0781FA00008 1/4"-20 1 1/2" Partially Threaded Right Hand 0.25" UNC Class 2A 5/16" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0782FA00009 1/4"-20 1 1/2" Partially Threaded Right Hand 0.25" UNC Class 2A 5/16" 1" Black-Oxide Steel - Not Rated
0773FA00041 1/4"-20 1 1/2" Partially Threaded Right Hand 0.25" UNC Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0775FA00019 1/4"-20 1 1/2" Partially Threaded Right Hand 0.25" UNC Class 3A 5/16" - 18-8 Stainless Steel - Not Rated
0777FA00008 1/4"-20 1 1/2" Partially Threaded Right Hand 0.25" UNC Class 3A 15/32" 1 1/2" 18-8 Stainless Steel - Not Rated
0754FA00054 1/4"-20 1 5/8" Partially Threaded Right Hand 0.25" UNC Class 2A 3/16" 3/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0755FA00036 1/4"-20 1 5/8" Partially Threaded Right Hand 0.25" UNC Class 2A 3/16" 3/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0791FA00021 1/4"-20 1 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 5/16" 31/64" Nylon Plastic 11000 psi Not Rated
0753FA00005 1/4"-20 1 3/4" Partially Threaded Right Hand 0.25" UNC Class 2A 5/8" - Black-Oxide Steel 70000 psi Rockwell B84
0773FA00042 1/4"-20 1 3/4" Partially Threaded Right Hand 0.25" UNC Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0777FA00009 1/4"-20 1 3/4" Partially Threaded Right Hand 0.25" UNC Class 3A 15/32" 1 1/2" 18-8 Stainless Steel - Not Rated
0787FA00002 1/4"-20 2" Fully Threaded Right Hand 0.25" UNC Class 2A 5/16" 1" Black-Oxide Steel 70000 psi Not Rated
0786FA00002 1/4"-20 2" Fully Threaded Right Hand 0.25" UNC Class 2A 3/8" 1" Black-Oxide Steel 80000 psi Rockwell B85
0798FA00018 1/4"-20 2" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - 18-8 Stainless Steel - Not Rated
0800FA00011 1/4"-20 2" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - Brass 50000 psi Rockwell B40
0796FA00020 1/4"-20 2" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - Steel 40000 psi Rockwell B55
0796FA00068 1/4"-20 2" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - Zinc-Plated Steel 40000 psi Rockwell B55
0802FA00005 1/4"-20 2" Fully Threaded Right Hand 0.25" UNC Class 2A 19/32" - 18-8 Stainless Steel - Not Rated
0801FA00019 1/4"-20 2" Fully Threaded Right Hand 0.25" UNC Class 2A 19/32" - Steel 40000 psi Rockwell B55
0801FA00057 1/4"-20 2" Fully Threaded Right Hand 0.25" UNC Class 2A 19/32" - Zinc-Plated Steel 40000 psi Rockwell B55
0794FA00009 1/4"-20 2" Fully Threaded Right Hand 0.25" UNC Class 2A 5/8" 7/16" Zinc-Plated Iron - Not Rated
0785FA00007 1/4"-20 2" Fully Threaded Right Hand 0.25" UNC Class 2A 5/8" - Black-Oxide Steel 180000 psi Rockwell C40
0784FA00020 1/4"-20 2" Fully Threaded Right Hand 0.25" UNC Class 2A 5/8" - Black-Oxide Steel 180000 psi Rockwell C40
0793FA00007 1/4"-20 2" Fully Threaded Right Hand - UNC Class 2A 5/8" 1/2" 18-8 Stainless Steel - Not Rated
0755FA00037 1/4"-20 2" Partially Threaded Right Hand 0.25" UNC Class 2A 3/16" 3/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0754FA00033 1/4"-20 2" Partially Threaded Right Hand 0.25" UNC Class 2A 3/16" 3/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0755FA00038 1/4"-20 2" Partially Threaded Right Hand 0.25" UNC Class 2A 3/16" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0754FA00036 1/4"-20 2" Partially Threaded Right Hand 0.25" UNC Class 2A 3/16" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0781FA00009 1/4"-20 2" Partially Threaded Right Hand 0.25" UNC Class 2A 5/16" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0782FA00010 1/4"-20 2" Partially Threaded Right Hand 0.25" UNC Class 2A 5/16" 1" Black-Oxide Steel - Not Rated
0773FA00043 1/4"-20 2" Partially Threaded Right Hand 0.25" UNC Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0775FA00020 1/4"-20 2" Partially Threaded Right Hand 0.25" UNC Class 3A 5/16" - 18-8 Stainless Steel - Not Rated
0777FA00010 1/4"-20 2" Partially Threaded Right Hand 0.25" UNC Class 3A 15/32" 1 1/2" 18-8 Stainless Steel - Not Rated
0758FA00012 1/4"-20 2 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 7/32" 11/16" Black-Oxide Steel 70000 psi Rockwell B84
0796FA00021 1/4"-20 2 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 1/2" - Steel 40000 psi Rockwell B55
0802FA00006 1/4"-20 2 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 19/32" - 18-8 Stainless Steel - Not Rated
0801FA00020 1/4"-20 2 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 19/32" - Steel 40000 psi Rockwell B55
0801FA00058 1/4"-20 2 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 19/32" - Zinc-Plated Steel 40000 psi Rockwell B55
0794FA00010 1/4"-20 2 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 5/8" 7/16" Zinc-Plated Iron - Not Rated
0755FA00039 1/4"-20 2 1/2" Partially Threaded Right Hand 0.25" UNC Class 2A 7/32" 11/16" 18-8 Stainless Steel 80000 psi Rockwell B83
0754FA00037 1/4"-20 2 1/2" Partially Threaded Right Hand 0.25" UNC Class 2A 7/32" 11/16" 18-8 Stainless Steel 80000 psi Rockwell B83
0781FA00010 1/4"-20 2 1/2" Partially Threaded Right Hand 0.25" UNC Class 2A 5/16" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0782FA00008 1/4"-20 2 1/2" Partially Threaded Right Hand 0.25" UNC Class 2A 5/16" 1" Black-Oxide Steel - Not Rated
0784FA00001 1/4"-20 2 1/2" Partially Threaded Right Hand 0.25" UNC Class 2A 3/4" - Black-Oxide Steel 70000 psi Rockwell C40
0785FA00008 1/4"-20 2 3/4" Fully Threaded Right Hand 0.25" UNC Class 2A 5/8" - Black-Oxide Steel 180000 psi Rockwell C40
0794FA00011 1/4"-20 3" Fully Threaded Right Hand 0.25" UNC Class 2A 5/8" 7/16" Zinc-Plated Iron - Not Rated
0793FA00008 1/4"-20 3" Fully Threaded Right Hand - UNC Class 2A 5/8" 1/2" 18-8 Stainless Steel - Not Rated
0785FA00009 1/4"-20 3 1/2" Fully Threaded Right Hand 0.25" UNC Class 2A 5/8" - Black-Oxide Steel 180000 psi Rockwell C40
0760FA00050 1/4"-28 3/8" Fully Threaded Right Hand 0.25" UNF Class 2A 1/4" 37/64" 18-8 Stainless Steel 80000 psi Rockwell B85
0773FA00044 1/4"-28 3/8" Fully Threaded Right Hand 0.25" UNF Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0776FA00038 1/4"-28 3/8" Fully Threaded Right Hand 0.25" UNF Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0777FA00011 1/4"-28 3/8" Fully Threaded Right Hand 0.25" UNF Class 3A 15/32" 1 1/2" 18-8 Stainless Steel - Not Rated
0760FA00054 1/4"-28 7/16" Fully Threaded Right Hand 0.25" UNF Class 2A 1/4" 37/64" 18-8 Stainless Steel 80000 psi Rockwell B85
0760FA00051 1/4"-28 1/2" Fully Threaded Right Hand 0.25" UNF Class 2A 1/4" 37/64" 18-8 Stainless Steel 80000 psi Rockwell B85
0768FA00031 1/4"-28 1/2" Fully Threaded Right Hand 0.25" UNF Class 2A 1/2" 5/16" 18-8 Stainless Steel 80000 psi Rockwell B83
0769FA00032 1/4"-28 1/2" Fully Threaded Right Hand 0.25" UNF Class 2A 1/2" 5/16" 18-8 Stainless Steel 80000 psi Rockwell B83
0773FA00045 1/4"-28 1/2" Fully Threaded Right Hand 0.25" UNF Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0776FA00039 1/4"-28 1/2" Fully Threaded Right Hand 0.25" UNF Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
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