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HORUSDY  |  SKU: SDY-88432

HSS 3pcs Steel Step Cone Set Drill Titanium Bit Hole Cutter 4-12/20/32mm

Regular price $16.99
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Description

DESCRIPTION
 
Size
  • 4-12mm Length: Approx. 6.7cm/ 2.64" (4mm, 6mm, 8mm, 10mm, 12mm)
  • 4-20mm Length: Approx. 7.4cm/ 2.91" (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm)
  • 4-32mm Length: Approx. 10.2cm/ 4.02" (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm)

 
What is a Step Drill Bit?
  • Step Drill Bits are the most important tool when working with metals. They work at a faster speed to make relatively neat holes. Mostly used in metalworking, they come with just one single drill bit, known as a step drill bit, with progressively sized grooves and ridges. 
 
Using Step Drill Bits for Sheet Metal Work
  • The step drill bits are best used on thin materials, which fits the description of sheet metal. Sheet metal work also requires a number of different sized holes, meaning that workers would need to constantly change their drill bits. Since one step drill bit can change to a number of different sizes, time is saved by using them with sheet metal work.
 
Using Step Drill Bits for Countersinks
  • Another purpose of step drill bits is to use them as countersinks. Since these are so versatile, they work very well when fastening screws and fasteners beneath a surface. When drilling holes in the opposite side of materials, the smaller bits here are perfect to do this job. This is a good technique when strengthening bolts and other attachments, as well as adding stability to various construction projects.
 
Using Step Drill Bits for Auto Repair Work
  • Another great use for step drill bits is on auto repair projects. Most auto body shops use many multi-stepped bits for car restoration projects, making it a costly and timely endeavor. However, with step drill bits, they can stick with the one bit and save time with less bits needed.

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