This 3.5mm diameter and 8mm length thumb screw is compatible with most brands of sewing machines, including Singer, Kenmore, and more. Its screwdriver
Replacement Presser Foot Thumb Screw
Singer Presser Foot Thumb Clamp Screw for Model 328K 347K 418 626
Singer 66 127 128 Presser Bar Pressure Regulating Thumb Screw Knob
Sewing machine slotted thumb screws, you will receive one pair. These thumb screws can be used to secure the presser foot, rear access plates or
Sewing Machine Slotted Thumb Screws for Presser Foot Bed Accessories New x2
Presser Foot Screw, Singer #286S : Sewing Parts Online
LUORNG 2pcs Sewing Machine Presser Foot Screws
Singer 301 Blackside Presser Bar Pressure Regulating Thumb Screw
Upholstery Screws
Singer Thumb Screw
45321 Hinged Presser Foot & Thumb Screw. Singer 15 15K Sewing Machine Part. It has a parts diagram for most of the low shank models. See the pictures
Singer 15 15K Part (1940) – 45321 Hinged Presser Foot & Thumb Screw
New Thumb Screw for Presser Foot and Attachments -- fits all Singer Sewing Machine models, including the Singer Featherweight 221 and 222K, as well as
Screw, Presser Foot / Seam Guide Thumb Screw