ETM 9/32″, 19/64″, 5/16″ ER20C Coolit Sealed Collet, .315″ – .276″ Range – 4501058

• Turn any collet chuck into a coolant-fed tool
• Increases machining efficiency as much as 300%.
• For all types of oil hole cutting tools such as drills, boring bars, end mills, reamers, taps and special tools.
• This high precision sealed collet with .0394″ collapsability will turn any collet chuck into a coolant-fed tool using high pressure coolant up to 60 bar.
• Collet Diameter:21mm (.83″)
• Collet Length:31.5mm (1.24″)

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