SPK7/8 Stressproof® REDI-Keyed® Shafting 7/8"
1/2 Inch diameter Stressproof® REDI-Keyed® shafting. Trademark of Niagara LaSalle Steel Co. Stressproof® a modified 1144 steel used to resist abrasion wear such as a shaft running in sand
Steel Grade | Tensile Strength | Yield Strength | Rockwell Hardness |
1144 | 132,000 PSI | 100,000 PSI | RC23 |
DIAMETERS | KEYWAY | DIAMETERS | KEYWAY |
"A" DIM. | "B" & "C" DIM. | "A" DIM. | "B" & "C" DIM. |
1/2" | 1/8 x 1/16 | 2" | 1/2 x 1/4 |
5/8" | 3/16 x 3/32 | 2-3/16" | 1/2 x 1/4 |
11/16" | 3/16 x 3/32 | 2-7/16" | 5/8 x 5/16 |
3/4" | 3/16 x 3/32 | 2-1/2" | 5/8 x 5/16 |
7/8" | 3/16 x 3/32 | 2-15/16 | 3/4 x 3/8 |
15/16" | 1/4 x 1/8 | 3" | 3/4 X 3/8 |
1" | 1/4 x 1/8 | 3-1/8" | 3/4 X 3/8 |
1-1/16" | 1/4 x 1/8 | 3-3/16" | 3/4 X 3/8 |
1-1/8" | 1/4 x 1/8 | 3-1/4" | 3/4 X 3/8 |
1-3/16" | 1/4 x 1/8 | 3-3/8" | 7/8 x 7/16 |
1-1/4" | 1/4 x 1/8 | 3-7/16" | 7/8 x 7/16 |
1-5/16" | 5/16 x 5/32 | 3-1/2" | 7/8 x 7/16 |
1-3/8" | 5/16 x 5/32 | 3-5/8" | 7/8 x 7/16 |
1-7/16" | 3/8 x 3/16 | 3-3/4" | 7/8 x 7/16 |
1-1/2" | 3/8 x 3/16 | 3-15/16" | 1 x 1/2 |
1-5/8" | 3/8 x 3/16 | 4" | 1 x 1/2 |
1-11/16" | 3/8 x 3/16 | 4-1/4" | 1 x 1/2 |
1-3/4" | 3/8 x 3/16 | 4-3/8" | 1 x 1/2 |
1-7/8" | 1/2 x 1/4 | 4-7/16" | 1 x 1/2 |
1-15/16" | 1/2 x 1/4 | 4-1/2" | 1 x 1/2 |