Gun Drill Bits
Spring Collet Lathe ER40 Collet Chuck 4.0-25.0mm Spring Collet Clamp Tool Holder For Machine Milling Lathe Tool 1Pcs
Features:
1. Usethehighcarbonbearingsteel,heattreatedrigidityisHRC48°-50°
2. ThesurfacoroughnessisbelowRZ2.5,hastwoclasses'products.
3. TheinnerboreprocessingbyhighprecisiongrindingaccordingtoDINstandard.
4. Useforclampingscrewtap,drill,millingcutter,reamerandsoon.
5. Havingtensionandcompressionfunction,brilliantandchangeable.
Specification:
Materical: High Carbon Steel
Hardness: HRC=48°-50°
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