Combination Drill & Taps
ER11 Collet Chuck 1-7mm 1/4 1/8 AA 0.008mm High Accuracy ER Spring Collet For Clamping Tool Holder 1Pcs
Features:
1. Use the high carbon bearing steel , heat treatedrigidity is HRC48°-50°
2. The surfaco roughness is below RZ2.5, has twoclasses' products.
3. The inner bore processing by high precision grindingaccording to DIN standard.
4. Use for clamping screw tap, drill , milling cutter,reamer and so on.
5. Having tension and compression function, brilliantand changeable.
Specification:
Materical: High Carbon SteelHardness: HRC=48°-50°