APPLY TO - Can be used in most tool holders, fits to ER type tool handle, boring cutter, milling chuck, lathe, holding drill bit, and other tools.SPECIFICATION:Material: Cast SteelModel: ER20-ATotal Size: 34mm(Dia.)x22mm(H)/1.34"x0.87"Thread Size: M25x1.25mmHex Width: 30mm/1.18“Hole Dia.: 16mm 0.63”QUANTITY INCLUDED - 1pcs x Collet Clamping Hex NutsADVANTAGE - Made of good hardness cast steel material for high strength and durability, with no rust and no corrosion, and great wear resistance, it can be applied for a long time.Note: Please check the size and the model of the nuts before purchasing it.
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