Tec-Spiral

Three Flute HSS Step Drills

·Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
·Two flute remove chips and help pull the bit through material for faster cutting
·Laser each hole size markings for quick size identification
·3 Types shank are available :Cylindrical shank,108 flat shank,hexagon shank

Variants

Flute Type

Step Range

Part number

Flute Type

Steps

Step Range

Cutting diameter Min-Max d1-d2

Shank Dia d3

Overall Length l1

Thickness

Coated

Quantity

Price Enquiry

14CJ00003

Straight Flute

4-5-6-7-8-9-10-11-12mm

4-12mm

6mm

65mm

3mm

Inquiry Wishlist

14CJ00004

Straight Flute

4-6-8-10-12-14-16-18-20mm

4-20mm

8mm

75mm

4mm

Inquiry Wishlist

14CJ00005

Straight Flute

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

4-30mm

10mm

100mm

4mm

Inquiry Wishlist

14CJ00006

Straight Flute

6-9-12-15-18-21-24-27-30-33-36mm

6-36mm

10mm

85mm

4mm

Inquiry Wishlist

14CJ00007

Straight Flute

6-11-17-23-29-30-31-32-33-34-35-36-37-38-39-40mm

6-40mm

13mm

105mm

4mm

Inquiry Wishlist

14CJ00008

Straight Flute

9-12-15-18-21-24-27-30-33-36mm

9-36mm

12mm

85mm

4mm

Inquiry Wishlist

14CJ00009

Straight Flute

8-13-19-25-31-37-40-41-42-43-44-45-46-47-48-49-50mm

40-50mm

13mm

112mm

4mm

Inquiry Wishlist

14CJ00010

Straight Flute

7-14-21-28-35-42-49-50-51-52-53-54-55-56-57-58-59-60mm

50-60mm

13mm

115mm

4mm

Inquiry Wishlist

Description
Advantages
Applications

◆ Made by high-performance HSS, High wear resistance and long tool life;
◆ Manufactured by advanced CNC machine. High consistency and quality assurance;
◆ 118° Split point DIN1412C, good centring, little pressure required;
◆ CBN fully ground ensure better and sharper cutting edges;
◆ Modified cutting angle guarantee smooth running and positive cut;
◆ Grooves oppened wide to allow fast and easy chip removal;
◆ Each step/cone has constant radially adjusted relief and axially relief;
◆ A starter hole of the smallest step/cone diameter will speed the drilling process;
◆ Centered and drilled in one operation;
◆ Applicable for Tube and Sheets and thin materials such as steel, non-ferrous and light metals, plastic, wood, etc.

·Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
·118ºSplit point starts hole cuts quickly and prevents drifting when pressure is added

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