F450 Grinding Wheel Adapter ~ F450 is used in the cylinder of US standard grinding machines. ~ For 1-1/4″ I.D. grinding wheels. ~ Wheel width capacity is 1/4 to 3/4″. ~ 1″ diameter at the large end of the taper hole. ~ Left hand thread. ~ Made in Taiwan. ~ Hardness is 20-25 HRC and ground. F450 is used in the cylinder of US standard grinding machines. 1″ diameter at the large end of the taper hole. For 1-1/4″ I.D. grinding wheels. Wheel width capacity is 1/4 to 3/4″.
