• ER40, Hole Size 11/32″
• Tool holding range 0.344″ to 0.304″
• Made of high alloy spring steel
• Hardened surface to 44-48 HRc
• Maximum gripping force with 16 jaws
• Runout precision of 0.0004″ (Concentricity of .0002″)

ER32, Hole Size 11mm,
Range 11.0mm to 10.0mm.
Made of high alloy spring steel.
Hardened surface to 44-48 HRc.
Maximum gripping force with 16 jaws.
Runout precision of 15µm (Concentricity of 7.5µm).

• ER25, Hole Size 12mm
• Range 12mm to 11mm
• Made of high alloy spring steel
• Hardened surface to 44-48 HRc
• Maximum gripping force with 16 jaws
• Runout precision of 15µm (Concentricity of 7.5µm)

• ER40, Hole Size 13/16″
• Tool holding range 0.813″-0.773″
• Made of high alloy spring steel
• Hardened surface to 44-48 HRc
• Maximum gripping force with 16 jaws
• Runout precision of 0.0006″ (Concentricity of .0003″)

• Diameter Size 13/32
• Collapsibility : 0.040″
• Tool holding range : 0.406″ to 0.367″
• Made of high alloy spring steel
• Hardened surface to 44-48 HRC
• Maximum gripping force
• Runout precision :0.0006″ (Concentricity of .0003″)