2PCS 4-12mm 4-30mm HSS TiN Coating Step Drill Bit Set

2PCS 4-12mm 4-30mm HSS TiN Coating Step Drill Bit Set

• Produce good quality holes in a wide variety of material, using either a bench drill or light pedestal drilling machine.
• Cool-running titanium nitride coating lasts longer than uncoated bits
• High speed steel for longer life
• Automatically deburrs holes while drilling
• Two-flute design for faster, smoother cutting
• Quick-change shank

Execution 

• Right-hand cutting
• High-performance high-speed steel
• Laser marking
• Two cutters

Application

• For drilling large holes in thin material and reboring existing holes
• Steel sheet and stainless steel from 0.1 to 3.0 mm thick

Material: High speed steel

Different material available: HSS4241/4341/9341/6542(M2)/M35(HSS-E Co5)/M42(HSS-E Co8)

Type of finish 

Different type of finish available: Bright surface/Nitrided coating/TiN coating/Cobalt coating/Blue coating

Type of shank

Different type of shank available: Round shank/3-sided shank/Hex shank(6.35mm*27.0mm)/Hex shank with a step/SDS-plus shank

2PCS 4-12mm 4-30mm HSS TiN Coating Step Drill Bit Set

Package: Double Blister card

Outer Package: Carton Box

2PCS 4-12mm 4-30mm HSS TiN Coating Step Drill Bit Set

We only provide Excellent Customer Service!

Any requirements, please don't hesitate to contact with us. We will try our best to support your business.

We always insist on the higher quality, lower price, and excellent service.

• Higher quality-professional technical team focus on developing and quality assurance
• Strict inspection-Strict quality inspection before shipment.
• Quality warranty- Warranty can last more than1 year.
• Rich experience-Over 6 years' experience

2PCS 4-12mm 4-30mm HSS TiN Coating Step Drill Bit Set

• Professional Manufacturer - high-performance tools for metal cutting and drilling.
• Develop, produce and sell tools - due to perfect work progress.
• As a tool specialist -working together with strong market partners.
• Long history - establish long-term business relationship with our customers.
• Have attended many Exhibitions both in domestic and other countries.

2PCS 4-12mm 4-30mm HSS TiN Coating Step Drill Bit Set

1. Question: How many years have you been in this field ?
Answer: Over 6 years.

2. Question : Can I request for some samples to test quality?
Answer: Yes, we can send you some samples.

3. Question : How many days do you need to prepare the samples?
Answer: 3-5 working days to prepare the samples

4. Question: Where is the loading port?
Answer: Ningbo, Shanghai, Guangdong or as required

5. Question: How can I contact with you?

Answer: You can send us inquiry directly through alibaba.

Or you can contact us through any method listed below: