WOODRUFF KEY 1/16 - 5/16

Assortment contains various sizes of half moon oversized woodruff keys. Woodruff keys are semicircular shaped and when installed, leave a protruding tab. They are used to improve the concentricity of the shaft and the mating part, which is critical for high speed operation.|Kit contains 25-pieces of each of the following sizes: #1 (1/16x1/2 in.) #2 (3/32x1/2 in.) #4 (3/32x5/8 in.) #3 (1/8x1/2 in.) #5 (1/8x5/8 in.) #7 (1/8x3/4 in.) #6 (5/32x5/8 in.) #8 (5/32x3/4 in.) #10 (5/32x7/8 in.) #61 (3/16x5/8 in.) #9 (3/16X3/4 in.) #11 (3/16x7/8 in.) #13 (3/16x1 in.) #16 (3/16x1-1/8 in.) #12 (7/32x7/8 in.) #14 (7/32x1 in.) #17 (7/32x1-1/8 in.) #91 (1/4x3/4 in.) #A (1/4x7/8 in.) #15 (1/4x1 in.) #18 (1/4x1 -1/8 in.) #21 (1/4xI-1/4 in.) #B (5/16x1 in.) #C (5/16x1-1/8 in.)|Material: 1035 steel plain finish|Rockwell hardness: B90|Metal drawer dimensions: 18 in. W x 12 in. D x 3 in. H|Use with 4-drawer metal slide rack: HD PRO OMSID# 316536270