Sawmill parts, service, repair and custom engineering solutions worldwide

Splined Solid Arbors

Promac solid splined arbors have supported saw blades across North America wood processing industries for 35+ years.

Local sawmills required a manufacturer that could match or surpass original equipment quality, which traditional suppliers struggled to provide. By building close relationships with local/regional mills and understanding their unique operational needs, Promac developed a reputation for excellence in manufacturing, maintenance, and service, while staying at the forefront of industry technology and trends.

Solid Splined Arbor Features:

Spline T.I.R. is 0.004”, 0.001” across journals

Shaft design and Q.C. remains in-house

Top supplier across North American market

Spline Hardened to 60-62 HRC

Shaft precision hobbed, not single point cut

35+ years expertise and experience

Known for gang & edger splines, now profilers too!

Profiler Splined Arbors


Longer lasting profiler shafts and female spline hubs