and 14 blades have a solid core with an electroplated facing that protects the core, reduces heat, and prevents binding. The rescue blades are intended for use on gasoline engine powered saws that have 1 or 20mm diameter arbors. diameters are 14 (5460 RPM rating), 12 (6300 RPM rating), and 16 (4725 RPM rating). with electric grinders to attack chains, locks, door bolts and more. Diamond Ripper. Maximum RPM is 13,300.
60, according to US and Canada standards. How many dozens are in a bushel of crabs? Depending on the size of the crab, as many as 7 to 8 dozen crab will fill a bushel.   Jumbo crabs (6 to 6-1/2  in dimensions) will yield 5 to 6 dozen per bushel.
Those crabs are more expensive this year than last, Whelan said, about $50 [per box, or about 11/4 bushels] more expensive than they were last year at this time.. That price increase translates to the crab table. The dozen large crabs that went for $75 this time last year is $90 now, Whelan said.