Feature(may vary by option.)

●FOUR CUTTING BLADE UP TO 4X FASTER - Ordinary step drills are prone to deflection during cutting, four cutting blade design guarantees a faster and smoother cutting, allows swarf escape easily.
●ULTRA TiAlN COATING UP TO 10X LONGER LIFE - TiAlN coating has excellent characteristics. As a new coating material, which can minimize the wear of the drill bit during each drilling process.
●M35 COBALT PREMIUM STEP BIT - M35 steel is a kind of high speed steel containing cobalt, which has the characteristics of high red hardness, high wear resistance and sintering resistance. M35 cobalt can obtain high hardness (HRC 64-66) through proper heat treatment.
●9 TOTAL STEP SIZE - Includes 1/4", 5/16", 3/8",7/16", 1/2", 9/16", 5/8", 11/16", 3/4". Perfect for Stainless Steel/Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets.
●RELIABLE BRAND - Bring you the pleasure of cutting butter blocks. If the hex shank snap off, MABLEVI will repair and replace any defect, without charge, and without waiting.

[1  & 8  -7  & 8  (3PCS)]




[1  & 4  -3  & 4  ]




[1  & 8  -1  & 2  ]





Description

step bits for metalstep bits for metal

Effective Step Size

1/8"-1/2" (13 step size) : 1/8",5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16",15/32",1/2"

1/4"-3/4" (9 step size) : 1/4", 5/16", 3/8",7/16", 1/2", 9/16", 5/8", 11/16", 3/4"

3/16"-7/8" (12 step size) : 3/16",1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8"

The step drill bit set is compatible with the majority of brands of electric drills or bench drills on the market. It comes with a tool kit, which is easy to store and carry.

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Whats in the box

  • 1/4"-3/4" Four Spiral Flute Cobalt Step Drill Bit