Hillman 1/2 in.-13 Stainless Steel Wing Nut (4-Pack) 43783 - The Home Depot
Knurled Thumb Nuts, 2 Pack M4 x D12mm x H8mm Brass Knurled Nut with Collar High Head Adjusting Nuts - Walmart.com
8-32 Knurled Thumb Nut (1421C Series) - Hammond Mfg.
New Singer Sewing Machine Tension Assembly Thumb Nut 1560 for 27 127 28 128 66 99 | The Old Singer Shop
Everbilt #8-32 Zinc Plated Wing Nut (6-Pack) 802341 - The Home Depot
Thumb Nut, Tension Unit, Singer (Vintage Original) – The Singer Featherweight Shop
Knurled Head Thumb Nut 18-8 Stainless Steel Nuts USA Made - #2-56 (1/4" Dia x 1" THK) - Qty-1,000: Amazon.com: Industrial & Scientific
Knurled Thumb Nuts, 5 Pack M3 x D11mm x H6.5mm Brass Knurled Nut with Collar High Head Adjusting Nuts - Walmart.com
5 Pcs M6 304 Stainless Steel Metric Knurled Thumb Nuts for 3D Printer Heated Bed - Walmart.com
Knurled Thumb Nuts Steel M4 Metric - Nuts - AliExpress
Knurled Thumb Nut Brass - 8/32 (7/16 Dia x 5/16 Thick) Qty-25: Amazon.com: Industrial & Scientific
TE-5003-9-3, Plastic Thumb Nut, Tisch Environmental Inc.
Buy Thumb-Nut SPR Optics Mount and More | Weaver Optics
50pcs) DIN 466 M6 Knurled Thumb Nuts, High Type AISI 303 Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP046626: Amazon.com: Industrial & Scientific