Jul 14, 2025
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Product Description: 20D Carbide deep hole drill with AlTiSiN coating for steel Introduction: Precision-engineered for extreme-depth drilling (20× diameter) in carbon steel, alloy steel, and stainless steel. Combining ...learn more
AlTiSiN Coated Deep Hole Drill Bits 20D Carbide Drill Bits For Steel

AlTiSiN Coated Deep Hole Drill Bits 20D Carbide Drill Bits For Steel

30000-100000pcs per month
ISO9001
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