Lichamp Step Drill Bit Set for Metal Sheet Heavy Duty, 5-Piece HSS Step Up Down Drill Bits Stepper Unibit for Steel Hole, 50 Sizes from 1/8 to 1-3/8

1 ) Professional high speed steel with the colored coating ensures durability and sharpness, reduces the friction, runs cooler, performs well in heat,

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Rowiz Step Drill Bit Set, 4 Pcs Titanium Coated HSS

Lichamp Step Drill Bit Set for Metal Sheet Heavy Duty, 5-Piece Genuine M2 HSS Step Up Down Drill Bits Stepper Unibit for Steel Hole, 50 Sizes from 1/8 to 1-3/8 inches

1 ) One bit for 11 hole sizes 1/4, 25/64, 35/64, 11/16,13/16, 7/8, 1,1-1/8, 1-7/32, 1-1/4, 1-3/8, so you can drill up holes with different

Lichamp Unibit Step Drill Bit for Metal, Genuine M2 Drill Stepper Bit for Hard Metal Heavy Duty, 11 Sizes from 1/4 to 1-3/8, Dual Straight Grooved

Dimensions: 5 pcs step drill bits enable 50 sizes - each step drill bit can drill several bore diameters. It can work as 50 pcs twist drill bits. You

5PCS Step Drill Bit Set & 1PC Automatic Center Punch | Titanium High-Speed Steel (HSS) Stepper Cone Drill Bit | Covering 50 Sizes(1/8''-1 3/8''), 135

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amoolo Titanium Step Drill Bit Set (5Pcs), Total 50 Sizes High

Step Drill Bit Set for Metal Sheet Heavy Duty, 5-Piece Genuine HSS Step up Down Drill Bits Stepper Unibit for Steel Hole, 50 Sizes From 1/8 to 1-3/8 Inches - China Cutting

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