Thursday, May 30, 2019

Tool Review -- 1/4" Corded Die Grinder; Mastercraft No. 054-7149-8


It was on special for half price, and I had a heap of Canadian Tire money saved up, so I got one.


The tool comes with two 17mm spanners for the collet chuck. It's a basic, single speed (28,500 rpm) die grinder. 120 VAC, 60 Hz, 4.5 A.

Line cord length is a little over six feet. Line cord specs are:

  • SJT (Service Junior -- i.e. 300 VAC -- Thermoplastic).
  • 105°C.
  • VW-1 flame rating.
  • 18 AWG  (0.824 mm2) x 2 conductor..
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I've sharpened three rotary lawnmower blades with it so far, and it has performed nicely. The motor is well balanced; I've no complaints. (The on/off switch's action takes a bit of getting used to, but that's not a problem.)

The only thing that I find a bit odd is the exploded parts drawing and parts list in the instruction manual. There are no part numbers, and one knows perfectly well that service parts will never be available for something like this, so why do they bother with the pointless documentation? It's a mystery.

Anyway, the die grinder is fine, especially if you get it when it's on special.

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