3PCS HSS Step Bits

• This Pagoda Drill Bit set contain 3 size: 4-12mm, 4-20mm and 4-32 mm, Supplied with a portable fabric bag.
• Two-fluted design provides faster, smoother drilling, Provided with small pressure and the sets can cut through wood, sheet metal, steel and other surfaces.Step Cone Drill Bits design for precision drilling different size holes from 4mm up to 32mm in diameter,optimum speed and accuracy.
• Titanium High Speed Steel Drill bits & Application: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal.Titanium drill bit is particularly suitable for processing copper and aluminum pieces / mold steel / spring steel / cast iron pieces / iron and other metal materials.
• Quick assemble: 1/4"(6.35mm) hex shank work with most drill or drills with 1/4" chuck

Details

Material: HSS Steel Surface

Treatment: Titanium coated

Type: Step Drill Head

Type: Hexagon Shank

Quantity: 3PCS

Color: Gold

Sizes

1. 5 Step Bit: 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm)
2. 9 Step Bit: 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm)
3. 15 Step Bit: 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm)

Length

• 4-12mm length: approx. 67mm / 2.64 "
• 4-20mm length: approx. 74mm / 2.91 "
• 4-32mm length: approx.102 mm /4.02 "
• 

  Warm Tips

   

  • Pistol drill, table drill. While working while cooling off water, can effectively extend the drill life.
  • Recommended drilling speed 250 - 400 rpm. Cut through sheet metal and other surfaces thickness under 8mm.

   

  Usage

  Apply in cordless drill drivers or rotary drills, bench drill.

Feature

1. Unique step design,a drill bit can be used to open holes of various sizes,means the equivalent of a box of drill
2. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance.
3. Having Mutifunction, a terrific helper to be used for deburring, chamfering, expanding hole.
4. Stable,working witout pre-working.
5. Packed in a Nylon Bag,offering good protection.

Package Includes:

1X Set(3pcs)Step Drill with Nylon Bag