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Feature:

1. Applicable Materials: Our step drill bit set is perfect for cutting holes in a variety of materials including steel, brass, woods, plastic and more.
2. 2 Flute Design: The step drill has a 2 flute design, giving you a faster, smoother, cleaner cut with each step clearly marked with the depth diameter of the step.
3. Highly Polished: This step bit set is highly polished with a 3 sided shank design to prevent slippage when chucking.
4. High Hardness: The 3mm drill bit in the set is nitrided HSS, which is much harder. Using the drill bit to drill before drilling can be more effective.
5. Easy to Carry: Our drill set is light weight and very portable, you can always take it with you when you need it.

Specification:

Item Type: Step Drill Bit Set
Material: High Speed Steel
Twist Drill Bit Diameter: Approx. 3.0mm/0.12in
Step Drill Bit:
3-2mm(3mm,4mm,5mm,6mm,7mm,8mm,9mm,10mm,11mm,12mm) 10 steps
Rotation Speed: 260-400rpm
Length: Approx. 7.9 cm/3.1in
4-12mm(4mm, 6mm, 8mm, 10mm, 12mm) 5 steps
Rotational speed: 260-400rpm
Length: Approx. 6.7cm/2.6in
4-20mm: (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm) 9 steps
Rotation Speed: 180-240rpm
Length: Approx. 7.4cm/2.9in
Suitable for: Deburring, chamfering, cutting or reaming
Matching Tools: For hand drill, cordless drill, table drill

Package List:

3 x Step Drill Bit

1 x Twist Drill Bit

1 x Storage Bag

Note:

1. Manual measurement may have error. Please make sure you don't mind before ordering.

2. Water injection cooling during operation can effectively extend the service life of the bit, especially in the case of continuous drilling.

1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties.
2. duties,taxes,and charges are not included in the item price or shipping fee.
3. The duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase.
4. All disputes arising from the duties will be submitted to ebay for solution.

1. Any questions, pls. contact us via ebay message or email us.We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. post a message again because sometimes our message system may block some emails.

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We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.

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