The model 75/85 are a great option for simple inspection marks.
These units take out the safety hazard of hand stamping. Available in 1,500 lbs. of force (model 75) and 2,500 lbs. of force. (model 85)
See picture below. (shown with optional FRL/15′ air hose)
Call 586-949-8400 for pricing. 
Many times the marking part/product must be done prior to the coating process. It is there fore important to select a marking process that provides sufficient depth to be visible after the coating process. - Example provided for a great solution.
Mite-E-Mark Model 78 is used for more than marking. Denting, and deforming. Just a small punch makes a big impact.
Identification marking made simple. The Model 78 packs a punch for its size.