The tail hole is 0.02mm smaller than the actual one. It needs 300°~400° high frequency heating during assembly. The principle of thermal expansion and cold shrinkage will expand the hole. Gently push the chuck to make the chuck fully enter the inside of the oval.
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1. Made of carbon steel material for wear resistance and durability.2. Rubber handles for anti-slip and comfort grip.3. Used to tighten or loosen collet clamping nut, etc.4. Suitable for ER lathe clamping nut, CNC milling lathe chuck nut, and most tool holders, such as spring clamping nut CNC tool holder.5. Easy to use, practical and convenient.Specification:Model: ER25 O-typeOverall Size: 240 x 9mm / 9.45-inch x 0.35-inch (L*T)Material: Drop Forged Carbon SteelHandle Material: RubberFinish: Black OxidizedPackage Content:1 x Collet Chuck Wrench.
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Specification: Type:M/UM Material:Alloy Steel Wrench Shape:ER11/ER16/ER20/ER25/ER32 Color:Red&Black Note: Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. Package Including: 1pc ER Spanner.
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Material: 42crmnti steel. Accuracy: 0.002mm.
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1 x Collet Nuts. Precision ground and hardened.
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Thread adapter Er11 Er16 Er20 Er25 Er32 Chuck chuck spindle for motor for ROTOR. Engraving machine spindle extension rod ER chuck nut conversion joint spindle for ROTOR extension rod spindle motor accessories.
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A type nut for ER20 collet milling chuck holder. Thread M25 x 1.5mm. You may also like.
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