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3Pcs/Set High Speed Steel Titanium Step Drill Bit Set with Pouch Impact Driver Compatible 28 (1/8-3/4”)

Original price was: $32.38.Current price is: $26.98.

  • Compact storage pouch keeps bits together and helps protect them from damage when not in use
  • These Step Drill Bits are ideal for variety of materials from metal, plastic, fiberglass to wood
  • Replacement 28 Drill: The kit includes three standard SAE stepper bits that can replace 28 separate drill bits
  • Titanium Step ,high speed steel: classic high speed steel, titanium alloy coating, durable, suitable for plastic, aluminum, copper, stainless steel and many other types of sheet metal drilling
  • Set Incudes: Bit#1:6 Step Bit from 3/16″ to 1/2″ ; Bit#2:9 Step Bit from 1/4″ to 3/4″ ; Bit#3:13 Step Bit from 1/8″ to 1/2″

How to use High Speed Steel Titanium Drill spiral grooved multiple hole step drill bit

1.Please mark the cross to confirm the center of the hole.

2.Use low speed to drill holes through the spiral grooves.

3.Then speed up the spiral grooves of the spiral grooves to avoid the running deviation of the ladder.

4.No need to replace bits when a new sized hole needs drilled.

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SKU: NJWHS2770B Category: