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3pcs Hss Step Drills 1/4 Inch Hex Shank Titanium Coated Step Drill Bit Set. Description: 3pcs HSS Step Drills 1/4 Inch Hex Shank Titanium Coated Step Drill Bit Set  New high-quality three-piece HSS step drill A drill bit can replace the multi-branched Universal Little Helper  Specification: Material:  High Speed Steel 4241 ( Used for the hardness of the material which is below 25°, like iron borad, steel board, PVC board, Insulation board, etc.) Surface: Titanium Plated Type: Straight Flute…

3pcs Hss Step Drills 1/4 Inch Hex Shank Titanium Coated Step Drill Bit Set. Description: 3pcs HSS Step Drills 1/4 Inch Hex Shank Titanium Coated Step Drill Bit Set New high-quality three-piece HSS step drill A drill bit can replace the multi-branched Universal Little Helper Specification: Material: High Speed Steel 4241 ( Used for the hardness of the material which is below 25°, like iron borad, steel board, PVC board, Insulation board, etc.) Surface: Titanium Plated Type: Straight Flute…

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Malco UB1 1/8" - 1/2" Step Drill Bit Drilling Accessories Metal Drilling Step Drill Bits

Malco UB1 1/8" - 1/2" Step Drill Bit Drilling Accessories Metal Drilling Step Drill Bits

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