TRUSCO NC lathe collet holder ERM coolant collet holder SSLKT type (inch) shank diameter 1" overall length 74 for ER20

[Features]● Collet holder for center through coolant. ● The nut is an ERM (mini) type.

[Use]
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[Specifications] ● Shank diameter: 1 inch ● Outer diameter (mm): Nut diameter 28 ● Overall length (mm): 74 ● Overall length L1 (mm): 50 ● Overall length L2 (mm): 24 ● Compatible wrench: W-ER20M ● Compatible collet: ER20

[Specification 2] ● Collet holder for center through coolant. ● The nut is an ERM (mini) type. ●The shank diameter is in inches, and there are 3 types: 5/8", 3/4", and 1". ●Wrench and collet are sold separately. ●Shank straightness (runout accuracy): ± at 300 mm from the tip of the holder 0.0010mm to 0.0030mm.

[Material/Finish] ●SCM415

[Set contents/accessories]
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【Note】
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