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
Show more▼
Part Number Thread Size Length Threading Thread Direction Thread Diameter Thread Type Thread Fit Head Height Head Diameter Material Tensile Strength Hardness
0777FA00012 1/4"-28 1/2" Fully Threaded Right Hand 0.25" UNF Class 3A 15/32" 1 1/2" 18-8 Stainless Steel - Not Rated
0760FA00055 1/4"-28 5/8" Fully Threaded Right Hand 0.25" UNF Class 2A 1/4" 37/64" 18-8 Stainless Steel 80000 psi Rockwell B85
0773FA00046 1/4"-28 5/8" Fully Threaded Right Hand 0.25" UNF Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0776FA00040 1/4"-28 5/8" Fully Threaded Right Hand 0.25" UNF Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0777FA00013 1/4"-28 5/8" Fully Threaded Right Hand 0.25" UNF Class 3A 15/32" 1 1/2" 18-8 Stainless Steel - Not Rated
0760FA00052 1/4"-28 3/4" Fully Threaded Right Hand 0.25" UNF Class 2A 1/4" 37/64" 18-8 Stainless Steel 80000 psi Rockwell B85
0796FA00022 1/4"-28 3/4" Fully Threaded Right Hand 0.25" UNF Class 2A 1/2" - Steel 40000 psi Rockwell B55
0773FA00047 1/4"-28 3/4" Fully Threaded Right Hand 0.25" UNF Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0776FA00041 1/4"-28 3/4" Fully Threaded Right Hand 0.25" UNF Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0777FA00014 1/4"-28 3/4" Fully Threaded Right Hand 0.25" UNF Class 3A 15/32" 1 1/2" 18-8 Stainless Steel - Not Rated
0760FA00056 1/4"-28 7/8" Fully Threaded Right Hand 0.25" UNF Class 2A 1/4" 37/64" 18-8 Stainless Steel 80000 psi Rockwell B85
0773FA00048 1/4"-28 7/8" Fully Threaded Right Hand 0.25" UNF Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0776FA00042 1/4"-28 7/8" Fully Threaded Right Hand 0.25" UNF Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0777FA00015 1/4"-28 7/8" Fully Threaded Right Hand 0.25" UNF Class 3A 15/32" 1 1/2" 18-8 Stainless Steel - Not Rated
0760FA00053 1/4"-28 1" Fully Threaded Right Hand 0.25" UNF Class 2A 1/4" 37/64" 18-8 Stainless Steel 80000 psi Rockwell B85
0768FA00032 1/4"-28 1" Fully Threaded Right Hand 0.25" UNF Class 2A 1/2" 5/16" 18-8 Stainless Steel 80000 psi Rockwell B83
0769FA00033 1/4"-28 1" Fully Threaded Right Hand 0.25" UNF Class 2A 1/2" 5/16" 18-8 Stainless Steel 80000 psi Rockwell B83
0796FA00023 1/4"-28 1" Fully Threaded Right Hand 0.25" UNF Class 2A 1/2" - Steel 40000 psi Rockwell B55
0773FA00049 1/4"-28 1" Fully Threaded Right Hand 0.25" UNF Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0777FA00016 1/4"-28 1" Fully Threaded Right Hand 0.25" UNF Class 3A 15/32" 1 1/2" 18-8 Stainless Steel - Not Rated
0776FA00043 1/4"-28 1 1/8" Fully Threaded Right Hand 0.25" UNF Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0760FA00057 1/4"-28 1 1/4" Fully Threaded Right Hand 0.25" UNF Class 2A 1/4" 37/64" 18-8 Stainless Steel 80000 psi Rockwell B85
0773FA00050 1/4"-28 1 1/4" Fully Threaded Right Hand 0.25" UNF Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0777FA00017 1/4"-28 1 1/4" Fully Threaded Right Hand 0.25" UNF Class 3A 15/32" 1 1/2" 18-8 Stainless Steel - Not Rated
0776FA00044 1/4"-28 1 3/8" Partially Threaded Right Hand 0.25" UNF Class 3A 5/16" 3/4" 18-8 Stainless Steel - Not Rated
0768FA00033 1/4"-28 1 1/2" Fully Threaded Right Hand 0.25" UNF Class 2A 1/2" 5/16" 18-8 Stainless Steel 80000 psi Rockwell B83
0769FA00034 1/4"-28 1 1/2" Fully Threaded Right Hand 0.25" UNF Class 2A 1/2" 5/16" 18-8 Stainless Steel 80000 psi Rockwell B83
0779FA00006 1/4"-80 3/4" Fully Threaded Right Hand 0.25" UNS Class 3A 3/4" 1/2" 18-8 Stainless Steel 60000 psi Not Rated
0779FA00007 1/4"-80 1" Fully Threaded Right Hand 0.25" UNS Class 3A 3/4" 1/2" 18-8 Stainless Steel 60000 psi Not Rated
0779FA00008 1/4"-80 1 1/4" Fully Threaded Right Hand 0.25" UNS Class 3A 3/4" 1/2" 18-8 Stainless Steel 60000 psi Not Rated
0779FA00009 1/4"-80 1 1/2" Fully Threaded Right Hand 0.25" UNS Class 3A 3/4" 1/2" 18-8 Stainless Steel 60000 psi Not Rated
0779FA00010 1/4"-80 2" Fully Threaded Right Hand 0.25" UNS Class 3A 3/4" 1/2" 18-8 Stainless Steel 60000 psi Not Rated
0779FA00011 1/4"-80 3" Fully Threaded Right Hand 0.25" UNS Class 3A 3/4" 1/2" 18-8 Stainless Steel 60000 psi Not Rated
0779FA00012 1/4"-80 3 1/2" Fully Threaded Right Hand 0.25" UNS Class 3A 3/4" 1/2" 18-8 Stainless Steel 60000 psi Not Rated
0779FA00017 1/4"-80 - - Right Hand - UNS Class 3B - - Brass 50000 psi -
0779FA00018 1/4"-80 - - Right Hand - UNS Class 3B - - Brass 50000 psi -
0779FA00019 1/4"-80 - - Right Hand - UNS Class 3B - - Brass 50000 psi -
0779FA00020 1/4"-80 - - Right Hand - UNS Class 3B - - Brass 50000 psi -
0789FA00024 5/16"-18 1/2" Fully Threaded Right Hand 0.313" UNC Class 2A 11/64" 39/64" Nylon Plastic 11000 psi Not Rated
0764FA00033 5/16"-18 1/2" Fully Threaded Right Hand 0.313" UNC Class 2A 1/4" 1 1/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0765FA00031 5/16"-18 1/2" Fully Threaded Right Hand 0.313" UNC Class 2A 1/4" 1 1/4" Black-Oxide Steel 70000 psi Rockwell B84
0760FA00058 5/16"-18 1/2" Fully Threaded Right Hand 0.313" UNC Class 2A 9/32" 41/64" 18-8 Stainless Steel 80000 psi Rockwell B85
0794FA00024 5/16"-18 1/2" Fully Threaded Right Hand 0.313" UNC Class 2A 39/64" 0.68" Zinc-Plated Steel - Not Rated
0768FA00043 5/16"-18 1/2" Fully Threaded Right Hand 0.313" UNC Class 2A 5/8" 3/8" 18-8 Stainless Steel 80000 psi Rockwell B83
0769FA00019 5/16"-18 1/2" Fully Threaded Right Hand 0.313" UNC Class 2A 5/8" 3/8" 18-8 Stainless Steel 80000 psi Rockwell B83
0788FA00009 5/16"-18 1/2" Fully Threaded Right Hand 0.313" UNC Class 2A 43/64" - Zinc-Plated Steel 40000 psi Rockwell B71
0798FA00019 5/16"-18 1/2" Fully Threaded Right Hand 0.313" UNC Class 2A 11/16" - 18-8 Stainless Steel - Not Rated
0796FA00024 5/16"-18 1/2" Fully Threaded Right Hand 0.313" UNC Class 2A 11/16" - Steel 40000 psi Rockwell B55
0796FA00069 5/16"-18 1/2" Fully Threaded Right Hand 0.313" UNC Class 2A 11/16" - Zinc-Plated Steel 40000 psi Rockwell B55
0801FA00021 5/16"-18 1/2" Fully Threaded Right Hand 0.313" UNC Class 2A 3/4" - Steel 40000 psi Rockwell B55
0801FA00059 5/16"-18 1/2" Fully Threaded Right Hand 0.313" UNC Class 2A 3/4" - Zinc-Plated Steel 40000 psi Rockwell B55
0773FA00051 5/16"-18 1/2" Fully Threaded Right Hand 0.313" UNC Class 3A 13/32" 1" 18-8 Stainless Steel - Not Rated
0776FA00045 5/16"-18 1/2" Fully Threaded Right Hand 0.313" UNC Class 3A 13/32" 1" 18-8 Stainless Steel - Not Rated
0777FA00018 5/16"-18 1/2" Fully Threaded Right Hand 0.313" UNC Class 3A 13/32" 1 1/2" 18-8 Stainless Steel - Not Rated
0775FA00021 5/16"-18 1/2" Fully Threaded Right Hand 0.313" UNC Class 3A 13/32" - 18-8 Stainless Steel - Not Rated
0764FA00034 5/16"-18 5/8" Fully Threaded Right Hand 0.313" UNC Class 2A 1/4" 1 1/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0765FA00032 5/16"-18 5/8" Fully Threaded Right Hand 0.313" UNC Class 2A 1/4" 1 1/4" Black-Oxide Steel 70000 psi Rockwell B84
0773FA00052 5/16"-18 5/8" Fully Threaded Right Hand 0.313" UNC Class 3A 13/32" 1" 18-8 Stainless Steel - Not Rated
0776FA00046 5/16"-18 5/8" Fully Threaded Right Hand 0.313" UNC Class 3A 13/32" 1" 18-8 Stainless Steel - Not Rated
0777FA00019 5/16"-18 5/8" Fully Threaded Right Hand 0.313" UNC Class 3A 13/32" 1 1/2" 18-8 Stainless Steel - Not Rated
0775FA00022 5/16"-18 5/8" Fully Threaded Right Hand 0.313" UNC Class 3A 13/32" - 18-8 Stainless Steel - Not Rated
0764FA00035 5/16"-18 3/4" Fully Threaded Right Hand 0.313" UNC Class 2A 1/4" 1 1/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0765FA00033 5/16"-18 3/4" Fully Threaded Right Hand 0.313" UNC Class 2A 1/4" 1 1/4" Black-Oxide Steel 70000 psi Rockwell B84
0760FA00059 5/16"-18 3/4" Fully Threaded Right Hand 0.313" UNC Class 2A 9/32" 41/64" 18-8 Stainless Steel 80000 psi Rockwell B85
0771FA00011 5/16"-18 3/4" Fully Threaded Right Hand 0.313" UNC Class 2A 9/16" 3/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0772FA00003 5/16"-18 3/4" Fully Threaded Right Hand 0.313" UNC Class 2A 9/16" 3/4" Black-Oxide Steel 70000 psi Rockwell B84
0794FA00025 5/16"-18 3/4" Fully Threaded Right Hand 0.313" UNC Class 2A 39/64" 0.68" Zinc-Plated Steel - Not Rated
0788FA00010 5/16"-18 3/4" Fully Threaded Right Hand 0.313" UNC Class 2A 43/64" - Zinc-Plated Steel 40000 psi Rockwell B71
0798FA00020 5/16"-18 3/4" Fully Threaded Right Hand 0.313" UNC Class 2A 11/16" - 18-8 Stainless Steel - Not Rated
0800FA00012 5/16"-18 3/4" Fully Threaded Right Hand 0.313" UNC Class 2A 11/16" - Brass 50000 psi Rockwell B40
0796FA00025 5/16"-18 3/4" Fully Threaded Right Hand 0.313" UNC Class 2A 11/16" - Steel 40000 psi Rockwell B55
0796FA00070 5/16"-18 3/4" Fully Threaded Right Hand 0.313" UNC Class 2A 11/16" - Zinc-Plated Steel 40000 psi Rockwell B55
0794FA00027 5/16"-18 3/4" Fully Threaded Right Hand 0.313" UNC Class 2A 3/4" 5/8" Zinc-Plated Iron - Not Rated
0802FA00022 5/16"-18 3/4" Fully Threaded Right Hand 0.313" UNC Class 2A 3/4" - 18-8 Stainless Steel - Not Rated
0801FA00022 5/16"-18 3/4" Fully Threaded Right Hand 0.313" UNC Class 2A 3/4" - Steel 40000 psi Rockwell B55
0801FA00060 5/16"-18 3/4" Fully Threaded Right Hand 0.313" UNC Class 2A 3/4" - Zinc-Plated Steel 40000 psi Rockwell B55
0773FA00053 5/16"-18 3/4" Fully Threaded Right Hand 0.313" UNC Class 3A 13/32" 1" 18-8 Stainless Steel - Not Rated
0776FA00047 5/16"-18 3/4" Fully Threaded Right Hand 0.313" UNC Class 3A 13/32" 1" 18-8 Stainless Steel - Not Rated
0777FA00020 5/16"-18 3/4" Fully Threaded Right Hand 0.313" UNC Class 3A 13/32" 1 1/2" 18-8 Stainless Steel - Not Rated
0775FA00023 5/16"-18 3/4" Fully Threaded Right Hand 0.313" UNC Class 3A 13/32" - 18-8 Stainless Steel - Not Rated
0793FA00009 5/16"-18 3/4" Fully Threaded Right Hand - UNC Class 2A 23/32" 5/8" 18-8 Stainless Steel - Not Rated
0773FA00054 5/16"-18 7/8" Fully Threaded Right Hand 0.313" UNC Class 3A 13/32" 1" 18-8 Stainless Steel - Not Rated
0776FA00048 5/16"-18 7/8" Fully Threaded Right Hand 0.313" UNC Class 3A 13/32" 1" 18-8 Stainless Steel - Not Rated
0777FA00021 5/16"-18 7/8" Fully Threaded Right Hand 0.313" UNC Class 3A 13/32" 1 1/2" 18-8 Stainless Steel - Not Rated
0775FA00024 5/16"-18 7/8" Fully Threaded Right Hand 0.313" UNC Class 3A 13/32" - 18-8 Stainless Steel - Not Rated
0789FA00025 5/16"-18 1" Fully Threaded Right Hand 0.313" UNC Class 2A 11/64" 39/64" Nylon Plastic 11000 psi Not Rated
0792FA00014 5/16"-18 1" Fully Threaded Right Hand 0.313" UNC Class 2A 1/4" 3/4" Nylon Plastic 13000 psi Not Rated
0764FA00036 5/16"-18 1" Fully Threaded Right Hand 0.313" UNC Class 2A 1/4" 1 1/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0765FA00034 5/16"-18 1" Fully Threaded Right Hand 0.313" UNC Class 2A 1/4" 1 1/4" Black-Oxide Steel 70000 psi Rockwell B84
0760FA00060 5/16"-18 1" Fully Threaded Right Hand 0.313" UNC Class 2A 9/32" 41/64" 18-8 Stainless Steel 80000 psi Rockwell B85
0771FA00012 5/16"-18 1" Fully Threaded Right Hand 0.313" UNC Class 2A 9/16" 3/4" 18-8 Stainless Steel 80000 psi Rockwell B83
0772FA00004 5/16"-18 1" Fully Threaded Right Hand 0.313" UNC Class 2A 9/16" 3/4" Black-Oxide Steel 70000 psi Rockwell B84
0794FA00026 5/16"-18 1" Fully Threaded Right Hand 0.313" UNC Class 2A 39/64" 0.68" Zinc-Plated Steel - Not Rated
0768FA00044 5/16"-18 1" Fully Threaded Right Hand 0.313" UNC Class 2A 5/8" 3/8" 18-8 Stainless Steel 80000 psi Rockwell B83
0769FA00020 5/16"-18 1" Fully Threaded Right Hand 0.313" UNC Class 2A 5/8" 3/8" 18-8 Stainless Steel 80000 psi Rockwell B83
0788FA00011 5/16"-18 1" Fully Threaded Right Hand 0.313" UNC Class 2A 43/64" - Zinc-Plated Steel 40000 psi Rockwell B71
0798FA00021 5/16"-18 1" Fully Threaded Right Hand 0.313" UNC Class 2A 11/16" - 18-8 Stainless Steel - Not Rated
0800FA00013 5/16"-18 1" Fully Threaded Right Hand 0.313" UNC Class 2A 11/16" - Brass 50000 psi Rockwell B40
0796FA00026 5/16"-18 1" Fully Threaded Right Hand 0.313" UNC Class 2A 11/16" - Steel 40000 psi Rockwell B55
0796FA00071 5/16"-18 1" Fully Threaded Right Hand 0.313" UNC Class 2A 11/16" - Zinc-Plated Steel 40000 psi Rockwell B55
🔍 ✕
Cancel