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Step Drill HSS Titanium Coated 3mm – 13mm

$9.15 Inc GST

SKU: 4395 Category:

Description

Step Drill HSS Titanium Coated 3mm – 13mm

These HSS Titanium Coated 3mm – 13mm Step Drill Bits are brand new easy to use 1/4″ hexagonal shank  for cutting into wood or metal thin plate or hollow section .  Each tool produces a clean chamfered hole in the material.  Can be used on plate, bar, tube, or box section. Cutting fluid or drill lubricant is recommended (the type of fluid depends on the material being machined). As with all machining, it is best to go slow, keep the tool cool, and use LOTS of lubricant. They are industry fabrication quality and IMHO – one of the best hand tools around.

Application

Firstly, choose a clean dry surface and mark your intended spot. Secondly, we recommend that you center punch the material to prevent ‘wandering’.  Thirdly, apply lubricant. Finally, with your step drill located in your variable speed reversing drill – simply drill and tap your hole.

Please understand that failure to use lubricant and or drilling fast can radically reduce the life of the 3mm-13mm Step Drill Bit as a dull or burnt tip on the drill tap pretty much destroys the tool.. Injecting cold water, oil, or simple drill lubricant while working, can effectively extend the service life of the drill bit.

These bits suit mild steel and softer alloys – they are not the best with 316 Stainless Steel

Features & Benefits:

  • High Speed Steel – HSS
  • Fast replacement composite cone, uses drill edged principle
  • Drilling multiple sized holes in one step for reduced processing steps,
  • Reduced project time.
  • Self centering point
  • Self Deburring

Step Drill Specifications:

  • Steps: (11)  3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm
  • Coating: Titanium.
  • Material: HSS4241
  • Shank: 1/4″ (6.35mm) hex shank
  • Length:  ~64mm

Contents:

  • 1 – 3-13mm  Titanium Coated HSS Step Cone Drill Bit Wood Metal Cutter 1/4″ Hex Shank
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