TRUSCO ERM double-headed straight shank collet holder SSLD type (metric) for NC lathes, shank diameter 20, total length 85, for ER11, SSLD20-ER11M-053, 1 piece

Catalog number: SSLD20-ER11M-053 Features: ● Holds cutting tools at both ends of the holder, allowing two-spindle workpiece machining with one tool. ● Nut is ERM (mini) type. Specifications: ● Shank diameter (mm): 20 ● Outer diameter (mm): Nut diameter 16 ● Total length (mm): 85 ● Compatible wrench: W-ER11M ● Compatible collet: ER11 ● Total length L1 (mm): 53 ● Total length L2 (mm): 16 ● Holds cutting tools at both ends of the holder, allowing two-spindle workpiece machining with one tool. ● Nut is ERM (mini) type. ● Shank diameter is metric and comes in five types: 16mm, 20mm, 22mm, 25mm, and 32mm. ● 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