Selectpart friction pads to fit Annular Disc type brakes
View H311/434 friction pad drawing 
View H311/589 friction pad drawing
View H311/619 friction pad drawing
View H311/1150 friction pad drawing
View H311/1675 friction pad drawing
The following chart details available friction pads based on Coefficient of Friction* and Material Composition.
| Selectpart # | COF | O.D | Material | Description | SDS | Price Request |
|---|---|---|---|---|---|---|
| H311/434 | High | 4.34" | Carbon base with various phenolic fillers and bonding agents. | General use. High torque, normal speed. Tends to glaze at intermediate to high temps and low pressures. May be unstable above 350F. High propensity to make noise. | |
Price Request |
| H311/589 | High | 5.89" | Carbon base with various phenolic fillers and bonding agents. | General use. High torque, normal speed. Tends to glaze at intermediate to high temps and low pressures. May be unstable above 350F. High propensity to make noise. | |
Price Request |
| H311/619 | High | 6.19" | Carbon base with various phenolic fillers and bonding agents. | General use. High torque, normal speed. Tends to glaze at intermediate to high temps and low pressures. May be unstable above 350F. High propensity to make noise. | |
Price Request |
| H311/1150 | High | 11.50" | Carbon base with various phenolic fillers and bonding agents. | General use. High torque, normal speed. Tends to glaze at intermediate to high temps and low pressures. May be unstable above 350F. High propensity to make noise. | |
Price Request |
| H311/1675 | High | 16.75" | Carbon base with various phenolic fillers and bonding agents. | General use. High torque, normal speed. Tends to glaze at intermediate to high temps and low pressures. May be unstable above 350F. High propensity to make noise. | |
Price Request |