TRUSCO NC lathe collet holder ERM coolant collet holder SSLKT type (inch) shank diameter 3/4" overall length 70 for ER20

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

[Use]
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【specification】
● Shank diameter: 3/4 inch
- Outer diameter (mm): nut diameter 28
- Total length (mm): 70
- Total length L1 (mm): 40
- Total length L2 (mm): 30
- Compatible wrench: W-ER20M
●Applicable 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 three types: 5/8", 3/4", and 1".
● 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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