Engineering portfolio / Powersports

Flange and collar set

4140 chromoly · CNC turning and milling

Round hardware that has to seal, clamp, or locate: flanges, collars, and the bolt pattern that makes them real.

Scope

• Bolt-circle and face flatness called out before programming.
• Heat-treat condition stated in the quote when the alloy requires it.
• Pilot diameters matched to the mating part you specify.

What the review does not promise

Chromoly is quoted per condition. Annealed and pre-hard are not the same part.