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
0782FA00017 3/8"-16 2" Partially Threaded Right Hand 0.375" UNC Class 2A 7/16" 1 1/4" Black-Oxide Steel - Not Rated
0785FA00015 3/8"-16 2 1/16" Fully Threaded Right Hand 0.375" UNC Class 2A 1" - Black-Oxide Steel 180000 psi Rockwell C40
0784FA00003 3/8"-16 2 1/16" Partially Threaded Right Hand 0.375" UNC Class 2A 1" - Black-Oxide Steel 70000 psi Rockwell C40
0758FA00017 3/8"-16 2 1/2" Fully Threaded Right Hand 0.375" UNC Class 2A 5/16" 0.875" Black-Oxide Steel 70000 psi Rockwell B84
0787FA00008 3/8"-16 2 1/2" Fully Threaded Right Hand 0.375" UNC Class 2A 7/16" 1 1/4" Black-Oxide Steel 70000 psi Not Rated
0786FA00008 3/8"-16 2 1/2" Fully Threaded Right Hand 0.375" UNC Class 2A 1/2" 1 1/4" Black-Oxide Steel 80000 psi Rockwell B85
0801FA00032 3/8"-16 2 1/2" Fully Threaded Right Hand 0.375" UNC Class 2A 15/16" - Steel 40000 psi Rockwell B55
0784FA00015 3/8"-16 2 1/2" Fully Threaded Right Hand 0.375" UNC Class 2A 1 1/8" - Black-Oxide Steel 180000 psi Rockwell C40
0755FA00048 3/8"-16 2 1/2" Partially Threaded Right Hand 0.375" UNC Class 2A 5/16" 0.875" 18-8 Stainless Steel 80000 psi Rockwell B83
0754FA00046 3/8"-16 2 1/2" Partially Threaded Right Hand 0.375" UNC Class 2A 5/16" 0.875" 18-8 Stainless Steel 80000 psi Rockwell B83
0781FA00019 3/8"-16 2 1/2" Partially Threaded Right Hand 0.375" UNC Class 2A 7/16" 1 1/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0782FA00018 3/8"-16 2 1/2" Partially Threaded Right Hand 0.375" UNC Class 2A 7/16" 1 1/4" Black-Oxide Steel - Not Rated
0784FA00004 3/8"-16 2 9/16" Partially Threaded Right Hand 0.375" UNC Class 2A 1" - Black-Oxide Steel 70000 psi Rockwell C40
0785FA00016 3/8"-16 2 13/16" Fully Threaded Right Hand 0.375" UNC Class 2A 1" - Black-Oxide Steel 180000 psi Rockwell C40
0758FA00018 3/8"-16 3" Fully Threaded Right Hand 0.375" UNC Class 2A 5/16" 0.875" Black-Oxide Steel 70000 psi Rockwell B84
0787FA00009 3/8"-16 3" Fully Threaded Right Hand 0.375" UNC Class 2A 7/16" 1 1/4" Black-Oxide Steel 70000 psi Not Rated
0786FA00009 3/8"-16 3" Fully Threaded Right Hand 0.375" UNC Class 2A 1/2" 1 1/4" Black-Oxide Steel 80000 psi Rockwell B85
0796FA00038 3/8"-16 3" Fully Threaded Right Hand 0.375" UNC Class 2A 13/16" - Steel 40000 psi Rockwell B55
0794FA00037 3/8"-16 3" Fully Threaded Right Hand 0.375" UNC Class 2A 7/8" 5/8" Zinc-Plated Iron - Not Rated
0801FA00033 3/8"-16 3" Fully Threaded Right Hand 0.375" UNC Class 2A 15/16" - Steel 40000 psi Rockwell B55
0784FA00022 3/8"-16 3" Fully Threaded Right Hand 0.375" UNC Class 2A 1 1/8" - Black-Oxide Steel 180000 psi Rockwell C40
0793FA00018 3/8"-16 3" Fully Threaded Right Hand - UNC Class 2A 13/16" 5/8" 18-8 Stainless Steel - Not Rated
0755FA00049 3/8"-16 3" Partially Threaded Right Hand 0.375" UNC Class 2A 5/16" 0.875" 18-8 Stainless Steel 80000 psi Rockwell B83
0754FA00047 3/8"-16 3" Partially Threaded Right Hand 0.375" UNC Class 2A 5/16" 0.875" 18-8 Stainless Steel 80000 psi Rockwell B83
0781FA00020 3/8"-16 3" Partially Threaded Right Hand 0.375" UNC Class 2A 7/16" 1 1/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0782FA00019 3/8"-16 3" Partially Threaded Right Hand 0.375" UNC Class 2A 7/16" 1 1/4" Black-Oxide Steel 180000 psi Rockwell C40
0784FA00005 3/8"-16 3 1/16" Partially Threaded Right Hand 0.375" UNC Class 2A 1" - Black-Oxide Steel 70000 psi Rockwell C40
0781FA00021 3/8"-16 3 1/2" Partially Threaded Right Hand 0.375" UNC Class 2A 7/16" 1 1/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0782FA00020 3/8"-16 3 1/2" Partially Threaded Right Hand 0.375" UNC Class 2A 7/16" 1 1/4" Black-Oxide Steel 70000 psi Rockwell B84
0785FA00017 3/8"-16 3 9/16" Fully Threaded Right Hand 0.375" UNC Class 2A 1" - Black-Oxide Steel 180000 psi Rockwell C40
0781FA00022 3/8"-16 4" Partially Threaded Right Hand 0.375" UNC Class 2A 7/16" 1 1/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0782FA00021 3/8"-16 4" Partially Threaded Right Hand 0.375" UNC Class 2A 7/16" 1 1/4" Black-Oxide Steel 70000 psi Rockwell B84
0785FA00018 3/8"-16 4 5/16" Fully Threaded Right Hand 0.375" UNC Class 2A 1" - Black-Oxide Steel 180000 psi Rockwell C40
0771FA00017 1/2"-13 3/4" Fully Threaded Right Hand 0.5" UNC Class 2A 13/16" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0772FA00007 1/2"-13 3/4" Fully Threaded Right Hand 0.5" UNC Class 2A 13/16" 1" Black-Oxide Steel 70000 psi Rockwell B84
0764FA00044 1/2"-13 1" Fully Threaded Right Hand 0.5" UNC Class 2A 5/16" 1 3/8" 18-8 Stainless Steel 80000 psi Rockwell B83
0765FA00042 1/2"-13 1" Fully Threaded Right Hand 0.5" UNC Class 2A 5/16" 1 3/8" Black-Oxide Steel 70000 psi Rockwell B84
0771FA00018 1/2"-13 1" Fully Threaded Right Hand 0.5" UNC Class 2A 13/16" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0772FA00008 1/2"-13 1" Fully Threaded Right Hand 0.5" UNC Class 2A 13/16" 1" Black-Oxide Steel 70000 psi Rockwell B84
0794FA00038 1/2"-13 1" Fully Threaded Right Hand 0.5" UNC Class 2A 1" 3/4" Zinc-Plated Iron - Not Rated
0793FA00019 1/2"-13 1" Fully Threaded Right Hand - UNC Class 2A 1" 3/4" 18-8 Stainless Steel - Not Rated
0764FA00045 1/2"-13 1 1/2" Fully Threaded Right Hand 0.5" UNC Class 2A 5/16" 1 3/8" 18-8 Stainless Steel 80000 psi Rockwell B83
0765FA00043 1/2"-13 1 1/2" Fully Threaded Right Hand 0.5" UNC Class 2A 5/16" 1 3/8" Black-Oxide Steel 70000 psi Rockwell B84
0786FA00010 1/2"-13 1 1/2" Fully Threaded Right Hand 0.5" UNC Class 2A 9/16" 1 1/4" Black-Oxide Steel 80000 psi Rockwell B85
0771FA00019 1/2"-13 1 1/2" Fully Threaded Right Hand 0.5" UNC Class 2A 13/16" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0784FA00016 1/2"-13 1 1/2" Fully Threaded Right Hand 0.5" UNC Class 2A 1 1/2" - Black-Oxide Steel 180000 psi Rockwell C40
0793FA00020 1/2"-13 1 1/2" Fully Threaded Right Hand - UNC Class 2A 1" 3/4" 18-8 Stainless Steel - Not Rated
0755FA00050 1/2"-13 1 1/2" Partially Threaded Right Hand 0.5" UNC Class 2A 3/8" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0754FA00048 1/2"-13 1 1/2" Partially Threaded Right Hand 0.5" UNC Class 2A 3/8" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0764FA00046 1/2"-13 2" Fully Threaded Right Hand 0.5" UNC Class 2A 5/16" 1 3/8" 18-8 Stainless Steel 80000 psi Rockwell B83
0765FA00044 1/2"-13 2" Fully Threaded Right Hand 0.5" UNC Class 2A 5/16" 1 3/8" Black-Oxide Steel 70000 psi Rockwell B84
0786FA00011 1/2"-13 2" Fully Threaded Right Hand 0.5" UNC Class 2A 9/16" 1 1/4" Black-Oxide Steel 80000 psi Rockwell B85
0794FA00039 1/2"-13 2" Fully Threaded Right Hand 0.5" UNC Class 2A 1" 3/4" Zinc-Plated Iron - Not Rated
0793FA00021 1/2"-13 2" Fully Threaded Right Hand - UNC Class 2A 1" 3/4" 18-8 Stainless Steel - Not Rated
0755FA00051 1/2"-13 2" Partially Threaded Right Hand 0.5" UNC Class 2A 3/8" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0754FA00049 1/2"-13 2" Partially Threaded Right Hand 0.5" UNC Class 2A 3/8" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0785FA00019 1/2"-13 2 1/16" Fully Threaded Right Hand 0.5" UNC Class 2A 1 1/8" - Black-Oxide Steel 180000 psi Rockwell C40
0786FA00012 1/2"-13 2 1/2" Fully Threaded Right Hand 0.5" UNC Class 2A 9/16" 1 1/4" Black-Oxide Steel 80000 psi Rockwell B85
0794FA00040 1/2"-13 2 1/2" Fully Threaded Right Hand 0.5" UNC Class 2A 1" 3/4" Zinc-Plated Iron - Not Rated
0784FA00017 1/2"-13 2 1/2" Fully Threaded Right Hand 0.5" UNC Class 2A 1 1/2" - Black-Oxide Steel 180000 psi Rockwell C40
0754FA00050 1/2"-13 2 1/2" Partially Threaded Right Hand 0.5" UNC Class 2A 3/8" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0755FA00052 1/2"-13 2 1/2" Partially Threaded Right Hand 0.5" UNC Class 2A 3/8" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0781FA00023 1/2"-13 2 1/2" Partially Threaded Right Hand 0.5" UNC Class 2A 1/2" 1 1/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0782FA00022 1/2"-13 2 1/2" Partially Threaded Right Hand 0.5" UNC Class 2A 1/2" 1 1/4" Black-Oxide Steel 70000 psi Rockwell B84
0784FA00006 1/2"-13 2 9/16" Partially Threaded Right Hand 0.5" UNC Class 2A 1 1/2" - Black-Oxide Steel 70000 psi Rockwell C40
0785FA00020 1/2"-13 2 13/16" Fully Threaded Right Hand 0.5" UNC Class 2A 1 1/8" - Black-Oxide Steel 180000 psi Rockwell C40
0758FA00019 1/2"-13 3" Fully Threaded Right Hand 0.5" UNC Class 2A 3/8" 1" Black-Oxide Steel 70000 psi Rockwell B84
0786FA00013 1/2"-13 3" Fully Threaded Right Hand 0.5" UNC Class 2A 9/16" 1 1/4" Black-Oxide Steel 80000 psi Rockwell B85
0794FA00041 1/2"-13 3" Fully Threaded Right Hand 0.5" UNC Class 2A 1" 3/4" Zinc-Plated Iron - Not Rated
0784FA00018 1/2"-13 3" Fully Threaded Right Hand 0.5" UNC Class 2A 1 1/2" - Black-Oxide Steel 180000 psi Rockwell C40
0793FA00022 1/2"-13 3" Fully Threaded Right Hand - UNC Class 2A 1" 3/4" 18-8 Stainless Steel - Not Rated
0754FA00051 1/2"-13 3" Partially Threaded Right Hand 0.5" UNC Class 2A 3/8" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0755FA00053 1/2"-13 3" Partially Threaded Right Hand 0.5" UNC Class 2A 3/8" 1" 18-8 Stainless Steel 80000 psi Rockwell B83
0781FA00024 1/2"-13 3" Partially Threaded Right Hand 0.5" UNC Class 2A 1/2" 1 1/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0782FA00024 1/2"-13 3" Partially Threaded Right Hand 0.5" UNC Class 2A 1/2" 1 1/4" Black-Oxide Steel 180000 psi Rockwell C40
0784FA00007 1/2"-13 3 1/16" Partially Threaded Right Hand 0.5" UNC Class 2A 1 1/2" - Black-Oxide Steel 70000 psi Rockwell C40
0781FA00025 1/2"-13 3 1/2" Partially Threaded Right Hand 0.5" UNC Class 2A 1/2" 1 1/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0782FA00023 1/2"-13 3 1/2" Partially Threaded Right Hand 0.5" UNC Class 2A 1/2" 1 1/4" Black-Oxide Steel 70000 psi Rockwell B84
0785FA00021 1/2"-13 3 9/16" Fully Threaded Right Hand 0.5" UNC Class 2A 1 1/8" - Black-Oxide Steel 180000 psi Rockwell C40
0784FA00008 1/2"-13 3 9/16" Partially Threaded Right Hand 0.5" UNC Class 2A 1 1/2" - Black-Oxide Steel 70000 psi Rockwell C40
0785FA00022 1/2"-13 4 5/16" Fully Threaded Right Hand 0.5" UNC Class 2A 1 1/8" - Black-Oxide Steel 180000 psi Rockwell C40
0785FA00023 1/2"-13 5 1/16" Fully Threaded Right Hand 0.5" UNC Class 2A 1 1/8" - Black-Oxide Steel 180000 psi Rockwell C40
0793FA00023 5/8"-11 1" Fully Threaded Right Hand - UNC Class 2A 1 3/16" 0.875" 18-8 Stainless Steel - Not Rated
0793FA00024 5/8"-11 2" Fully Threaded Right Hand - UNC Class 2A 1 3/16" 0.875" 18-8 Stainless Steel - Not Rated
0785FA00024 5/8"-11 2 5/16" Fully Threaded Right Hand 0.625" UNC Class 2A 1 1/4" - Black-Oxide Steel 180000 psi Rockwell C40
0784FA00019 5/8"-11 3" Fully Threaded Right Hand 0.625" UNC Class 2A 1 1/2" - Black-Oxide Steel 180000 psi Rockwell C40
0793FA00025 5/8"-11 3" Fully Threaded Right Hand - UNC Class 2A 1 3/16" 0.875" 18-8 Stainless Steel - Not Rated
0785FA00025 5/8"-11 3 1/16" Fully Threaded Right Hand 0.625" UNC Class 2A 1 1/4" - Black-Oxide Steel 180000 psi Rockwell C40
0785FA00026 5/8"-11 3 13/16" Fully Threaded Right Hand 0.625" UNC Class 2A 1 1/4" - Black-Oxide Steel 180000 psi Rockwell C40
0785FA00027 5/8"-11 4 9/16" Fully Threaded Right Hand 0.625" UNC Class 2A 1 1/4" - Black-Oxide Steel 180000 psi Rockwell C40
0785FA00028 5/8"-11 5 5/16" Fully Threaded Right Hand 0.625" UNC Class 2A 1 1/4" - Black-Oxide Steel 180000 psi Rockwell C40
0760FA00066 M2 4 mm Fully Threaded Right Hand - Metric Class 6g 3 mm 6 mm 18-8 Stainless Steel 80000 psi Rockwell B85
0760FA00067 M2 8 mm Fully Threaded Right Hand - Metric Class 6g 3 mm 6 mm 18-8 Stainless Steel 80000 psi Rockwell B85
0760FA00068 M2 10 mm Fully Threaded Right Hand - Metric Class 6g 3 mm 6 mm 18-8 Stainless Steel 80000 psi Rockwell B85
0760FA00069 M2 12 mm Fully Threaded Right Hand - Metric Class 6g 3 mm 6 mm 18-8 Stainless Steel 80000 psi Rockwell B85
0760FA00070 M2 16 mm Fully Threaded Right Hand - Metric Class 6g 3 mm 6 mm 18-8 Stainless Steel 80000 psi Rockwell B85
0760FA00071 M2 24 mm Fully Threaded Right Hand - Metric Class 6g 3 mm 6 mm 18-8 Stainless Steel 80000 psi Rockwell B85
0760FA00072 M2.5 4 mm Fully Threaded Right Hand - Metric Class 6g 3 mm 7 mm 18-8 Stainless Steel 80000 psi Rockwell B85
0760FA00073 M2.5 8 mm Fully Threaded Right Hand - Metric Class 6g 3 mm 7 mm 18-8 Stainless Steel 80000 psi Rockwell B85
0760FA00074 M2.5 10 mm Fully Threaded Right Hand - Metric Class 6g 3 mm 7 mm 18-8 Stainless Steel 80000 psi Rockwell B85
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