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Product Name: Shanggong Taper Shank Twist Drill Bits
Material: HSS 6542 (High-Speed Steel 6542)
Brand: Shanghai Tool Works Co., Ltd.
Suitable Materials: Steel, Iron, Copper, Aluminum Alloy, Cast Iron,Thin Stainless Steel (Standard Hardness), Mold Steel, Wood,and other materials for batch processing
These drill bits are forged from premium high-speed steel and processedwith vacuum heat treatment technology. After quenching, they featurehigh hardness, excellent toughness, resistance to breakage, sharp cuttingedges, and outstanding wear resistance, making them ideal for batch steelprocessing. As a state-owned brand and a well-known Shanghai enterprise,Shanggong is a benchmark for high cost-effectiveness and quality.
