With the sunset of Morehouse Cowles, DisperseTech now offers compatible impeller blades for legacy mixers. Customers...
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Unleashing the Power of Dispersion Blades: A Comprehensive Guide to Enhanced Mixing Efficiency
07/25/2025
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In the dynamic world of mixing processes, the efficiency of your equipment can make or break your operations. Enter...
Keyway Chart
03/11/2024
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The following tables show standard dimensions for keys and their grooves.
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Properties of Common Solvents
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Density, boiling point, evaporation rate, and flash point of common solvents
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Tip Speed Definition and Formula
10/16/2012
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Blade Speed (tip speed), measures how far a point on the outer most edge of the disperser blade travels in a given...
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Paint Formulation
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Paint consists of four basic components:
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CLEARANCE HOLE CHART
06/20/2022
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Tables and Conversions
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Clearance hole chart for inch bolts and screws according to ASME B18.2.8
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11/06/2021
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Viscosity Conversion table comparing some of the typical viscosity scales used in Paint and Coatings including:...
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Morehouse Cowles Sunset – DisperseTech Offers Compatible Impeller Blades
10/11/2025
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Mixing and Dispersion
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With the sunset of Morehouse Cowles, DisperseTech now offers compatible impeller blades for legacy mixers. Customers...
Read more
Unleashing the Power of Dispersion Blades: A Comprehensive Guide to Enhanced Mixing Efficiency
07/25/2025
Posted in:
Mixing and Dispersion
1336
views
0
Liked
In the dynamic world of mixing processes, the efficiency of your equipment can make or break your operations. Enter...
Read more
Keyway Chart
03/11/2024
Posted in:
Mixing and Dispersion
8371
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0
Liked
The following tables show standard dimensions for keys and their grooves.
Read more
CLEARANCE HOLE CHART
06/20/2022
Posted in:
Tables and Conversions
30693
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Clearance hole chart for inch bolts and screws according to ASME B18.2.8
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Keyway Chart
Keyway Chart


| Nominal Shaft Diam | Key Size | Dimensions (Inches) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Over | To (incl.) | A | B | C | D | E | F | R | |
| 1/4 | 1/2 | 1/8 x 1/8 | 0.124 0.125 |
0.072 0.078 |
0.125 0.126 |
0.060 0.066 |
0.127 0.125 |
0.010 | |
| 1/2 | 3/4 | 3/16 x 3/16 | 0.187 0.188 |
0.107 0.113 |
0.188 0.189 |
0.088 0.094 |
0.190 0.188 |
0.010 | |
| 3/4 | 1 | 1/4 x 1/4 | 0.249 0.250 |
0.142 0.148 |
0.250 0.251 |
0.115 0.121 |
0.252 0.250 |
0.010 | |
| 1 | 1 1/4 | 5/16 x 5/16 | 0.311 0.312 |
0.177 0.183 |
0.312 0.313 |
0.142 0.148 |
0.314 0.312 |
0.010 | |
| 1 1/4 | 1 1/2 | 3/8 x 3/8 | 0.374 0.375 |
0.213 0.219 |
0.375 0.376 |
0.169 0.175 |
0.377 0.375 |
0.010 | |
| 1 1/2 | 1 3/4 | 7/16 x 7/16 | 0.437 0.438 |
0.248 0.254 |
0.438 0.439 |
0.197 0.203 |
0.440 0.438 |
0.020 | |
| 1 3/4 | 2 | 1/2 x 1/2 | 0.499 0.500 |
0.283 0.289 |
0.500 0.501 |
0.224 0.230 |
0.502 0.500 |
0.020 | |
| 2 | 2 1/2 | 5/8 x 5/8 | 0.624 0.625 |
0.354 0.360 |
0.625 0.626 |
0.278 0.284 |
0.627 0.625 |
0.020 | |
| 2 1/2 | 3 | 3/4 x 3/4 | 0.749 0.750 |
0.424 0.430 |
0.750 0.751 |
0.333 0.339 |
0.752 0.750 |
0.020 | |
| 3 | 3 1/2 | 7/8 x 7/8 | 0.874 0.875 |
0.495 0.501 |
0.875 0.876 |
0.387 0.393 |
0.877 0.875 |
0.062 | |
| 3 1/2 | 4 | 1 x 1 | 0.999 1.000 |
0.566 0.572 |
1.000 1.001 |
0.442 0.448 |
1.003 1.000 |
0.062 | |
| 4 | 5 | 1 1/4 x 1 1/4 | 1.248 1.250 |
0.707 0.713 |
1.250 1.252 |
0.551 0.557 |
1.253 1.250 |
0.062 | |
| 5 | 6 | 1 1/2 x 1 1/2 | 1.498 1.500 |
0.848 0.854 |
1.500 1.502 |
0.661 0.667 |
1.504 1.500 |
0.062 | |
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