Flangex Manufacturing
Type F Flange Diagram

Type F Flanges

Flat Triangular
Slotted Bolt Holes

Parts are sorted first by center hole dimension.
Click on the part numbers to view drawings.

Part # Center Hole
Diameter
(Dimension A)
Bolt Hole
Center Line
(Min C/L - Maj C/L)
Bolt Hole
Center Line Diameter
(Min Ø - Maj Ø)
Bolt Hole
Slot Size
(Dimension B)
FX4143 1.950" 2.702" - 2.927" 3.120" - 3.380" 0.440" x 0.570"
FX4067 2.050" 2.702" - 2.927" 3.120" - 3.380" 0.440" x 0.570"
FX4037 2.050" 2.810" - 3.360" 3.250" - 3.875" 0.500" x 0.810"
FX51 2.051" 2.607" - 2.815" 3.010" - 3.250" 0.500" x 0.618"
FX4178 2.125" 2.815" - 3.357" 3.250" - 3.876" 0.500" x 0.813"
FX3991 2.150" 2.598" - 2.815" 3.010" - 3.250" 0.500" x 0.620"
FX285 2.150" 2.810" - 3.360" 3.250" - 3.875" 0.500" x 0.810"
FX52 2.280" 2.598" - 2.815" 3.010" - 3.250" 0.500" x 0.620"
FX69 2.780" 4.230" - 4.430" 4.880" - 5.120" 0.500" x 0.620"