TRUSCO NC lathe collet holder ERM short nose collet holder SSL type (metric) shank diameter 20 overall length 70 for ER20

[Features] ● Small and short holder ideal for Swiss-type comb-tooth-type NC lathes. ● The nut is an ERM (mini) type.

[Use]
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[Specifications] - Shank diameter: 20 - Outer diameter (mm): Nut diameter 28 - Overall length (mm): 70 - Overall length L1 (mm): 40 - Overall length L2 (mm): 30 - Compatible wrench: W-ER20M - Compatible Collet: ER20

[Specification 2] ● Small and short holder ideal for Swiss-type and comb-tooth-type NC lathes. ● The nut is an ERM (mini) type. ●The shank diameter is metric, and there are 4 types: 16mm, 20mm, 22mm, and 25mm. ● Wrenches and collets are sold separately. ● Shank straightness (runout accuracy): ±0.0010 mm to 0.0030 mm at a position 300 mm from the tip of the holder.

[Material/Finish] ●SCM415

[Set contents/accessories]
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【Note】
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