Extra Long HSS Twist Drill Bits Set Metal Woodworking 160/200/250/300/400mm

30-125 mm SDS PLUS TCT HEX Hole Cutter Core Drill Bit Concrete Masonry Brick Bit. TCT Hole Cutter HEX 30-125 mm SDS PLUS Concrete Masonry Brick CORE DRILL BIT. Made of High-speed steel, these twist drill bits are durable, and they have high abrasion resistance&long service life.

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