Greensen 10 Piece Collet Set Drill Chuck ER16 Collet 1-10 mm Spring Pliers for CNC Engraving Machine and Milling Rotary Tool Rotary Tool Engraving Machine Tension Socket

• [High performance ER16 chuck] - All key chucks are of high quality, the spring performance is stable and the of the premium 1065 carbon steel is precision ground to achieve a precise fit.
• [Excellent stability] - The ER chuck is alternately grooved at both ends so that it holds the shaft excellently. High smoothness, good elasticity, high precision and concentricity
• [Robust Structure] - This ER16 chuck set is made of alloy spring steel and is fully hardened, strong and and can be used for a long time.
• [Full Specifications] - The whole set includes all chuck sizes, 10 pieces, 1 mm to 10 mm, which can meet your different requirements. The collet set is very popular in machining applications.
• [Easy to use] - Before the collet is inserted into the walnut clamp, it must be inserted into the walnut clamp. Easy to use If you have any questions or comments, please feel to contact us to help you.

Description: Caution: We have four models on sale, please read the description carefully before you buy it, and choose the right model you need!! ! The pictures are only for reference. Please refer to our descriptions. Please do not hesitate to contact us for questions and suggestions. Please check the picture for more details. 1. Model: ER16. Model: ER16. Condition: Brand New Material: high-quality 1065 carbon steel. Concentricity tolerance: 0.015 mm (0.0006 inches). Grip range: 1 mm to 10 mm. Box contents: 10pcs (1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm) 2. Model: ER20. Model: ER20 (13 pieces, 1 mm-13 mm). Concentricity tolerance: 0.015 mm (0.0006 inches). Premium 1065 carbon steel. Hardened and precision ground Box contents: Pack of 13 ER20 clamping bushings (contains 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm) Model: ER25. Model: ER25 (15 pieces, 2 mm - 16 mm). Concentricity tolerance: 0.015 mm (0.0006 inches). Brand new and high quality. Box contents: Pack of 15 ER25 Bushings (2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm) 4. Model ER32. Material: high-quality 1065 carbon steel. Concentricity tolerance: 0.015 mm (0.0006 inches). Model: ER32 (19 pieces, 2 mm - 20 mm). Box contents: Pack of 19 ER32 clamping bushings (2 mm, 3 mm, 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, 20 mm).