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• This tool holder accepts all ER16 collets
• Straight shank is .750" diameter 4.00" long
• All critical tool holder surfaces precision ground
• Made from alloy steel hardened to 54 - 56rc
• Coolant through capability
• M-style collet nut. Slimmer than standard collet nut.
• A dimension-- .750 dia. straight shank
• B dimension-- 4.00 shank length
• C dimension-- 1.378 gage length
• D dimension-- .869 body diameter
• E note-- collet nut is .905 dia. and uses wrench part number ER16M-WRENCH
• Wrench is not included. Link is provided below
• Internal screw included
• MariTool Part# is C3/4-ER16-4M