Spiral Grooved Step Drill Bit Set 4mm to 12mm/20mm/32mm Wood

This is set of step drills made of high speed steel 4241/6542, different specifications can meet different drilling requirements. Widely Used To Cut Holes In A Variety Of Material Like Steel, Wood, Thin Iron, Aluminum Alloy, Insulation Boards, PVC Sheet, etc.

Features:

Easy to install, suitable for most of electric drill.

Constructed of industrial high speed steel with titanium nitride coating for durability and strength to punch and drill clean holes in materials like plastic, aluminum, wood, copper, stainless steel and other types of sheet metal.

Two-flute spiral grooved design deburrs chip, dust and debris for clearance and smooth cutting.

Quick change hex shank makes for easy, convenient bit switches and is compatible with impact ready power tools.

Assortment comes with 3 drill bits of a combined 33 sizes to add to your drilling arsenal: 4-32mm(4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm), 4-20mm(4,6,8,10,12,14,16,18,20mm), 4-12mm(4,5,6,7,8,9,10,11,12mm).

Specifications:

Material: High Speed Steel

Color: Golden

High Speed Steel 4241: Suitable for use in hardness 25 degree below the workpiece

High Speed Steel 6542: Suitable for use in hardness 28 degree below the workpiece

Surface Treatment: Titanium Coated

Structure: Step Core Drill Bits

Suitable for use: Thin iron plate, aluminum, insulation panels, PVC panels 5mm thickness within the timber

Quantity: 3pcs

4-32mm (4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm)

4-20mm (4,6,8,10,12,14,16,18,20mm)

4-12mm (4,5,6,7,8,9,10,11,12mm)

4-32mm drill size: 10.22*3.15*3.15cm

4-20mm drill size:7.16*1.93*1.93cm

4-12mm drill size: 7.35*1.16*1.16cm

Product weight: 215g

Package size: 11.3*4.8*2.8cm/4.44*1.88*1.10in

Package weight: 217g

Note:

color may show sight aberration due to different shooting light and monitor display.

Packing list:

1* 4-32mm drill

1* 4-20mm drill

1* 4-12mm drill

We confidently assure you'll be satisfied with what you get.However, If  there's a chance that you are not satisfied with our goods or something else, please let us know before leaving us a Negative feedback. We will try our best for 100% customer satisfaction. Your 5-Star Positive Feedback is much appreciated to us, and your satisfaction is our greatest motivation to move forward.Welcome to Shop Here! Want more Items? Please come visit our SHOP.

*Shipping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 5 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer).Your satisfaction is our first priority.

*If you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.