Downey Grinding Company, Inc.
Serving the aerospace industry for over 40 years
Centerless Grinding
Thread Rolling & Knurling
Centerless Grinder Repair
The thread rolling and knurling department houses 15 thread rollers,
including three 3-die rollers for short, hollow, and thin wall parts.
Threads applied to virtually any material
Diameters from 0-80 to 1-1/2"-20
Lengths to 4"
Knurling of diameters to 3"
J-form and metric
3-die thread diameters from 1/4" to 1-1/2"
Flat die thread rollers from #0 to #60