Product name: SK40-ER Tool Holder
Specification:SK40=JT40=DIN69871
Material : 20CrMnTi Steel
Product Precision: 0.003mm
Overall Clamping Precision: 0.005mm
Product hardness: HRC56°-60°
Carburizing depth: >0.8MM
Knife holder lock: BT30 BT40
Product wrench: ER11A ER16A ER20A ER25UM ER32UM ER40UM
Applicable Collets: ER11 ER16 ER20 ER25 ER32 ER40

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Model Number : JT40/SK40-ER11/16/20/25/32/40
material quality : 20CrMnTi
Accuracy : 0.003
Hardness : HRC55-60
Carburization depth : 0.8mm
True roundness : 0.8
Surface grinding : 4
Apply Collet : ER11/ER16/ER20/ER25/ER32/ER40