TRUSCO Straight shank collet holder for NC lathes Flat ERM collet holder SSL type (metric) Shank diameter 20 Total length 100 For ER20 SSL20-ER20M-070 1 piece

Catalog number: SSL20-ER20M-070 Features: ●Straight shank has a flat for side locking on only one side. ●Nut is ERM (mini) type. Specifications: ●Shank diameter (mm): 20 ●Outer diameter (mm): Nut diameter 28 ●Total length (mm): 100 ●Compatible wrench: W-ER20M ●Compatible collet: ER20 ●Total length L1 (mm): 70 ●Total length L2 (mm): 30 ●Straight shank has a flat for side locking on only one side. ●Nut is ERM (mini) type. ●Shank diameter is metric and there are four types: 16mm, 20mm, 22mm, and 25mm. ●Wrench and collet are sold separately. ●Shank straightness (runout accuracy): ±0.0010mm to 0.0030mm at a position 300mm from the tip of the holder. Material/Finish: ●SCM415