Black & Decker No. 7404 Finishing Sander, Avocado Green Double Insulated Orbital Sander, Made in Canada
This is a Black & Decker No. 7404 finishing sander, an electric orbital pad sander with a yellowish avocado green plastic housing, a long top handle with a ribbed slide switch, a front knob grip, a rectangular base with a black rubber pad and an orange cord. The orange rating label on the front shows the white B&D hexagon logo and reads FINISHING SANDER, NO. 7404, VOLTS 120 50/60Hz, OPM 10,000, AMPS 1.6, DOUBLE INSULATED, THE BLACK & DECKER MFG. CO. TOWSON, MD. USA and MADE IN CANADA. Patent numbers on the label point to the mid to late 1970s.
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A 1970s Black & Decker homeowner sander
The orange label with the B&D hexagon and the avocado green housing mark Black & Decker's consumer tools of the 1970s. This finishing sander was made in Canada for The Black & Decker Mfg. Co. of Towson, Maryland, and is double insulated, so it has a two-prong plug.
Avocado green palm sander with an orange B&D hex label
The Black & Decker No. 7404 finishing sander is an electric orbital pad sander with a long, flat-topped handle running back from a squared motor housing that sits on a rectangular sanding base. Its plastic housing is green, a yellowish avocado or olive green, and the power cord is orange, a bright safety orange, leaving the back of the handle through a black rubber strain relief. A black rubber pad on the bottom holds the sandpaper.
The top of the motor housing has a set of horizontal vent slots on the side and six vertical vent slots on top, with a short rounded knob grip projecting at the front for the second hand. Behind the vents, set into the top of the handle, is a ribbed slide switch. Underneath is the base, a wide rectangular platen with a raised rectangular panel near each end, where the paper clamps sit, and the sanding pad is slightly larger than the base. Phillips screws hold the housing halves together at the front and on top of the handle.
The front of the motor housing carries the rating label, an orange paper label. On it, a white hexagon holds a black circle with B&D in white letters, followed by Black & Decker in bold, slanted upper and lowercase lettering, then FINISHING SANDER, the model, electrical ratings, patent numbers, a UL Listed mark and CAUTION text in black. Along the bottom, a dark olive band carries DOUBLE INSULATED and the Towson, Md. and Made in Canada lines in white capitals. Of the patents listed, the newest, 3,871,069, falls in the US patent number range issued in 1975, so this label likely dates from the mid to late 1970s.
On this copy: no measurements were taken. The label is torn and scuffed so that the first letter of FINISHING, parts of the model number and the type number are missing, and parts of the patent numbers are worn. Elsewhere, the housing is dirty with sanding dust, scratches and brown staining on one side, the name MIKE is scratched into the front of the base, and the orange cord and plug are present.
- Type: Electric orbital finishing (pad) sander
- Shape: Squared motor housing, long top handle, front knob grip, rectangular base
- Material: Plastic housing (double insulated), rubber sanding pad
- Colors: Green (yellowish avocado or olive); label orange with black and white; cord safety orange
- Controls: Ribbed slide switch on top of the handle
- Label: Orange B&D hex logo label with ratings and patents, front of motor housing
- Ratings: 120 volts 50/60 Hz, 1.6 amps, 10,000 OPM (orbits per minute)
- Marks: Model No. 7404, Double Insulated, UL Listed 406A, Made in Canada
- This copy: Not measured; torn label, dust and scratches, stains, MIKE scratched into the base
Rating label, front of motor housing: B&D® Black & Decker® [F]INISHING SANDER NO. 74[0]4 • VOLTS 120 50/60Hz TY[PE torn] • OPM10,000 • AMPS1.6 PAT. 3,665,6[?]4 3,[?]10,708 3,725,707 3,760,339 3,793,776 3,824,884 3,871,069 CAUTION: FOR SAFE OPERATION SEE OWNERS MANUAL UL LISTED 406A DOUBLE INSULATED WHEN SERVICING USE ONLY IDENTICAL REPLACEMENT PARTS THE BLACK & DECKER MFG. CO. TOWSON, MD. USA MADE IN CANADA Scratched into front of base (owner mark): MIKE Brackets mark letters torn or worn off the label.
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Live listings on ebay.com, checked October 2026. Asking prices, not sold prices.
About the Black & Decker No. 7404 Finishing Sander
What year is my Black & Decker 7404 finishing sander?
The label does not print a year, but the newest patent number listed, 3,871,069, was issued in 1975, so the sander dates from the mid 1970s or later. The avocado green housing and orange hex label also fit Black & Decker's 1970s line.
What does OPM 10,000 mean on a Black & Decker sander?
OPM stands for orbits per minute. The pad moves in 10,000 small orbits each minute.
Why does my old Black & Decker sander have a two-prong plug?
The label says DOUBLE INSULATED, meaning the plastic housing protects the user without a ground pin.
What is a vintage Black & Decker 7404 sander worth?
Comparable listings we tracked asked $6 to $18.98, plus shipping.
- Owner's photos
- eBay listing