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Zhushan Step Drill Bit Set, 3Pcs Set High Speed Steel Titanium Step Drill Bit,Double Cutting Blades,Short Length Drill Bits for Sheet Metal Hole Drilling

Original price was: $34.54.Current price is: $28.78.

  • 【Set Includes】Bit #1 (6 steps): 3/16″, 1/4″, 5/16″, 3/8″, 7/16″, 1/2″; Bit #2 (13 steps): 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″; Bit #3 (9 steps): 1/4″, 5/16″, 3/8″, 7/16″, 1/2″, 9/16″, 5/8″, 11/16″, 3/4″
  • 【Hss and Titanium Coating】High-speed steel make it last longer than others,titanium coating ensure easily cut through iron sheets, aluminum sheets, copper & plastic & wood board and many other types of sheet metal with ease,and it can automatically deburr holes while drilling to keep the drill bit clean
  • 【Widely Used】Perfect for home repairs and light jobs such as drilling holes in plastic,aluminum,copper,iron and many other types of sheet metal (excluding steel or any other harder metal)
  • 【Tri-flatted shank】Fits into power tools chuck securely and eliminates slip
  • 【After-Sales Service】Please read the description and the specifications before you purchase. We offer 12 months money back guarantee
step drill bit 1

Step Drill Bit Set5

How To Use:

  • — Use center punch to mark the drill position and aim the center punch to the center point
  • — Use the automatic center punch to mark the work piece with a dimple and create a starting point
  • — Use the drill according to the fixed point to a make a favorable size hole.
  • — Using Tips: Water cooling while working can effectively prolong the service life of the drill.
step drill bit 3

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