Vintage Singer Featherweight sewing machine presser foot thumb screw with the blackside finish. This is the lower profile thumb screw which is perfect
Blackside Singer 221 Featherweight Sewing Machine Presser Foot Thumb Screw Simanco 51224
Diameter size 3.5mm(9/64-40). These screws are used to secure presser foot or binders to the machine bed.
CKPSMS Brand - 10 PCS #TS-SN Feet Thumb Screw for Lockstitch Sewing Machine Presser Foot
Singer Featherweight 221 and 222K Faceplate Thumb Screw – The
Sewing Machine Slotted Thumb Screws for Presser Foot Bed
thumb screw - The Singer Featherweight Shop
Singer 301 Blackside Presser Bar Pressure Regulating Thumb Screw
10 Pcs Thumb Screw for Sewing Machine Presser Feet
10PCS scerws for Feeder / Presser foot . Compatible with Many Singer 29K Class Industrial Sewing Machines, including : 29-4 29K1 29K2 29K3 29K4 29K10
CKPSMS brand - #193F 10PCS SCREWS Compatible with SINGER SEWING MACHINE FEEDER PRESSER FOOT 29K,71 72 73 29-4
Vintage Singer sewing machine presser bar tension / pressure regulating thumb screw knob. Compatible with the class 201 and 15 including the 15-86,
Singer 15 201 Presser Bar Pressure Regulating Thumb Screw Knob Simanco 51228
Vintage original thumb screw for the Singer Featherweight 221 and 222K faceplate. A bit smaller in size than the standard presser foot thumb screw.
Screw, Singer Featherweight Faceplate (Vintage Original)