Centerless Grinding

Centerless GrindingIn addition to centerless grinding for the optimal rolled threads, we perform centerless grinding to produce precise diameters. Centerless grinding is also offered through Thread Rolling Inc. as a to customers who provide their own machined components and only require value-added grinding services.

We perform in-feed, thru-feed, step, form, and bar grinding.

In-feed Grinding
Minimum in-feed diameter: .020 inch (.5mm)
Maximum in-feed diameter: 4.00 inch (100mm)
Maximum in-feed length: 6.00 inch (150mm)
Volume: 1 piece to 20,000 pieces
Material hardness: Up to Rc65

Thru-feed Grinding

Maximum thru-feed diameter: 4.00 inch (100mm)
Maximum thru feed length: 24.00 inches (600mm)
Volume: 1 piece to 20,000 pieces
Material hardness: Up to Rc65

Step Grinding

Minimum diameter: .020 inch (.5mm)
Maximum diameter: 4.00 inch (100mm)
Maximum length: 6.00 inch (150mm)
Volume: 1 piece to 20,000 pieces
Material hardness: Up to Rc65

Form Grinding

Minimum diameter: .020 inch (.5mm)
Maximum diameter: 4.00 inch (100mm)
Maximum length: 6.00 inch (150mm)
Volume: 1 piece to 20,000 pieces
Material hardness: Up to Rc65

Bar Grinding

Maximum bar diameter: 1.25 inch (32mm)
Maximum bar length: 14 feet (4.25 meters)
Volume: 1 bar to 100 bars
Material hardness: Up to Rc48