3 Piece Titanium Coated Step Drill Bit Set 4-12mm 4-20mm 4-32mm Straight Slot Perfect Plastic Hole Cutting Tool Core Cone Drilling Tool Set

3 Piece  Titanium Coated Step Drill Bit Set 4-12mm 4-20mm 4-32mm Straight Slot  Perfect Plastic Hole Cutting Tool Core Cone Drilling Tool Set
Features:

High-Quality Materials: The drill bits are made from high-quality HSS steel, ensuring durability and long-lasting performance. They are perfect for drilling holes in a variety of materials - steel, brass, wood, plastic and more.

Enhanced Craftsmanship: The drill bits are titanium coated to reduce heat and friction. They are heat-treated and highly polished to drill perfectly round holes.

Efficient Design: These bits feature a three-sided shank to prevent slippage in the chuck, while the two-flute design enables faster, smoother and cleaner cuts. Each step on the drill bit is clearly marked with the depth diameter.

Versatile Functionality: The set contains three commonly used sizes of drill bits for deburring, chamfering, cutting or expanding holes. They are compatible with numerous tools including pistol drills, hand drills, charging drills, and bench drills.

Speed and Safety: The rotating speeds vary for different drills, and the user must exert a downward force while drilling. This can effectively enhance drilling efficiency but excessive force can lead to edge wearing.

Specifications:

Material: HSS

Quantity: 3PCS

Size:

4-12mm Length: Approx. 6.7cm/ 2.64"

4-20mm Length: Approx. 7.4cm/ 2.91"

4-32mm Length: Approx. 10.2cm/ 4.02"

The  Cutters Come in the Following Sizes:

4-12mm: (4mm, 6mm, 8mm, 10mm, 12mm) 5 Steps

4-20mm:( 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm)9 Steps

4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm)15 Steps

Package Included:

1 x 4-12mm Drill Bit

1 x 4-20mm Drill Bit

1 x 4-32mm Drill Bit