4 Pcs Collet Adapter 1/4" to 1/8" Steel Router Collet Bit Adapter CNC Engraving Bit Router Converter Lathe Router Cutter Milling Bit Collet Reducer for Engraving Machine Tool - KALIONE, 559511_1_wITyQAR8

• 【Reliable Material】The steel router collet bit adapter is made of high-speed steel, which has high hardness, good wear resistance, and durability, and can be used for a long time. 【Dimensional Details】 Engraving bit router converter outer diameter: 1/4 inch/6.35mm, Inner diameter: 1/8 inch/3.175mm, Overall length: 0.93 inch/23.5mm, for CNC machine tool chuck conversion 【Precise Clamping】1/4" to 1/8" collet adapter has precise clamping force and good grip stability to securely hold 1/8" drill bits in steel milling cutters 【Application Scenario】This milling cutter collet adapter is suitable for any grinder that uses a 1/4" chuck. It has high precision and can be used to convert CNC machine tool chucks of different specifications. The conversion size is from 1/4" to 1/8". 【Package Included】You will receive 4 pieces of 1/4" to 1/8"CNC engraving bit router adapter convert , with a simple structure to meet your daily work needs