TRUSCO Straight shank collet holder for NC lathes Flat ERM collet holder SSL type (metric) Shank diameter 20 Total length 163 For ER16 SSL20-ER16M-137 1 piece

Catalog number: SSL20-ER16M-137 Features: ●Straight shank has a flat for side locking on only one side. ●The nut is an ERM (mini) type. Specifications: ●Shank diameter (mm): 20 ●Outer diameter (mm): Nut diameter 22 ●Total length (mm): 163 ●Compatible wrench: W-ER16M ●Compatible collet: ER16 ●Total length L1 (mm): 137 ●Total length L2 (mm): 26 ●Straight shank has a flat for side locking on only one side. ●The nut is an ERM (mini) type. ●The shank diameter is metric and is available in four types: 16mm, 20mm, 22mm, and 25mm. ●Wrenches and collets 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