Holesaw Set 9Pc In Alum Case Bi-Metal 16 20 25 32 40 51mm

Tork Craft

Holesaw Set 9Pc In Alum Case Bi-Metal 16 20 25 32 40 51mm

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SKU: TCHSK09E-1 Category:

Description

9 Pc Bi-metal hole saw set

Included in the set:

Bi-metal hole saws:

(x1) Ø16mm
(x1) Ø20mm
(x1) Ø25mm
(x1) Ø32mm
(x1) Ø40mm
(x1) Ø51mm

Adaptors:

(x1) 3/8′ Hex HSS adaptor Ø16-25mm
(x1) 7/16′ Hex HSS adaptor Ø32-51mm
(x1) Hex key for replacing pilot drill bit
(x1) Adaptor 1/2-20UNF – 5/8-18UNF

INFO:
The set includes an aluminium storage case for transport.

Application:

The Bi-metal hole saw’s fast cutting power lies behind its HSS (hi-speed
steel) manufactured teeth.

The teeth have been set to a variable pitch to
improve harmonic vibration and to have a better chip clearance.

The hole saw can be used to cut into:

  • Aluminium
  • Copper
  • Mild steel (sheet metal)
  • Stainless steel (sheet metal)
  • Zinc
  • Wood
  • Drywall (plaster board)
  • PVC

The Bi-metal hole saws are primarily used by electricians, plumbers,
machinists and carpenters.

Features:

  • Low vibration and even cut due to the variable pitched teeth.
  • Strong electron beam welded cup design with a tough alloy body for added
    durability.
  • Knock out hole for plug removal.
  • Depth of cut: 38mm
  • Long life – when used properly within the correct rpm and using a
    lubricant when cutting into metals.

Lubricant tip:
Use paraffin or beeswax when cutting into aluminium. Use
CT-90
or a general-purpose lubricating oil when cutting into steel.

extra_info

9 Pc Bi-metal hole saw set

Using a hole saw:

To use a hole saw, you need the following accessories:

  • A portable drill or stationary drill with a 3 jaw chuck.
  • The correct mandrel and pilot drill for the material being drilled into.
  • The necessary safety equipment. Safety goggles, gloves and hearing
    protection.

IMPORTANT:
For the best results and for safety reasons, use the recommended rotation
speed for the material being drilled into.

For longer hole saw life, use the following instructions:

  1. Use the correct mandrel for the diameter hole saw being used.
  2. Use pin-type mandrels for hole saws larger than Ø32mm. When
    mounting the mandrel, lift the pins up and then screw the mandrel down into
    the hole saw as far as it will go. It is important that the pins holes are
    securely located in the hole saw.
  3. Use the correct rotation speed. If the speed is too high or too low will
    have an effect on the cutting edge on the hole saw and decrease the life
    expectancy.
  4. Clear away wood chips or iron filings frequently to prevent the hole saw
    from overheating.
  5. Always apply the necessary pressure for the intended use. Too much
    pressure can destroy the teeth when cutting in metals.
  6. Keep the drill going straight to avoid binding the hole saw.

TIP:
When using a hole saw for wood, clamp an off-cut backing board on the
back to prevent tear out when the hole saw exits the material. The backing board
also prevents materials from flexing.

Rotation speed of hole saws (rpm):

DIA.MILD STEELS. SteelCAST IRONBRASSALU.WOOD
Ø 14mm5803004007909003000
Ø 16mm 5502753657308253000
Ø 17mm5002503306657503000
Ø 19mm4602303006006903000
Ø 20mm4352402905806603000
Ø 21mm4252102805606353000
Ø 22mm3901952605205853000
Ø 24mm3701852454955553000
Ø 25mm3501752354705252700
Ø 27mm3251602154354802700
Ø 29mm3001502004004502700
Ø 30mm2851451903804252400
Ø 32mm2751401803604102400
Ø 33mm2601351753453902400
Ø 35mm2501251653303752400
Ø 37mm2401201603153602400
Ø 38mm2301151503003452400
Ø 40mm2201101452903302100
Ø 41mm2101051402803152100
Ø 43mm2051001352703052100
Ø 44mm195951302602952100
Ø 46mm190951252502852100
Ø 48mm180901202402702100
Ø 51mm170851152302552000
Ø 52mm165801102202452000
Ø 54mm160801052102402000
Ø 57mm150751002002252000
Ø 59mm145751001952252000
Ø 60mm14070951902202000
Ø 64mm13565901802051800
Ø 65mm13065851752001800
Ø 67mm13065851701951800
Ø 68mm13065851701951800
Ø 70mm12560801601851800
Ø 73mm12060801601801800
Ø 76mm11555751501701500
Ø 79mm11055701401651500
Ø 83mm10550701401551500
Ø 86mm10050651301501200
Ø 89mm9545651301451200
Ø 92mm9545601201401200
Ø 95mm9045601201351200
Ø 98mm9045601201351200
Ø 102mm8540551101301000
Ø 105mm8040551101201000
Ø 108mm804055110120900
Ø 111mm804050100120900
Ø 114mm753550100105900
Ø 121mm7035459595900
Ø 127mm6530459090800
Ø 133mm6530459090800
Ø 140mm6025408585800
Ø 146mm6025408585800
Ø 152mm5525357575800

safety

consider
safety for your health and the people around you

General safety suggestions:

It is advisable to always have the following items nearby and in a good
condition

  • Eye protection – clean and scratch free
  • Hearing protection – quality earmuffs
  • Dust masks – discard old and dirty masks
  • Gloves – for easy handling of material and hand protection
Wear Gloves Eye Protection Hearing Protection Dust Mask
Wear Gloves
Eye Protection
Hearing Protection
Dust Mask

IMPORTANT:
Tilting the drill or hitting a nail with the hole saw while drilling could cause
the hole saw to bind. The powerful torque could strain your wrist.

video

9 Pc Bi-metal hole saw set

Removing a stuck wooden plug from a hole saw

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