Product Details
The Worm for Grinder Attachment with #12 Hub features a square drive with a total length of 9 5/16 inches, while the worm itself has a total length of 5 1/8 inches. The small shaft diameter measures 3/8 inches and has a small square of 7/16 inches, while the large shaft diameter is 3/4 inches, accommodating a maximum worm diameter of 2 1/4 inches. The kit includes a fiber washer, specifically #32-1103. Note that the #22 hub utilizes a 3/4 inch square drive.
