Spec

• Shank Diameter: 20
• Outer Diameter (mm): Nut Diameter 34
• Total Length (mm): 70
• Total Length L1 (mm): 40
• Total Length L2 (mm): 30
• Compatible Wrench: W-ER 20
• Compatible Collet: ER 20
• Small and short holder ideal for Swiss type and comb tooth type NC lathes.
• The nut is an ER (hex hook) type.
• The shank diameter is metric and comes in 4 types: 16 mm, 20 mm, 25 mm, and 32 mm.
• Wrench and collet are sold separately.
• Shank straightness (run-out accuracy): ± 0.0010 mm to 0.0030 mm at 300 mm from the holder tip.
• Material/Finish: SCM 415
• Country of origin: Taiwan
• Securities Code: 207 -6907
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