Series GD100 Ground Hollow Dowels are manufactured from strip steel, then OD ground to replace Ground Solid Dowels in alignment applications. The dowels weigh 50% less and cost 30% less than their solid counterparts.
The parts permit alignment to within 20 µm, have 8-µm surface finish, and come in Ø8, Ø10, Ø12 and Ø16mm standard diameters. Special sizes, case hardening, and the use heat-treated, high-carbon steel are available on request.

Spirol International Corp.
30 Rock Ave.
Danielson, CT 06239
(860) 774-8571