Spiral Flute Step Drill Bit – HSS with Nano Blue Coating & Round Shank

• Customization: Available
• Customized: Customized
• Standard: DIN
• Model NO.: 4-12mm, 4-20mm, 4-32mm
• Length: Standard
• Type: Step Drill
• Material: High Speed Steel
• Usage: Wood Drilling, Well Drilling, Metal Drilling
• Size: 4-12mm,4-20mm,4-32mm,6-38mm
• Materials: HSS Co, HSS M2, HSS 4341, HSS 4241
• Surface: Nano Blue Coating
• Package: Plastic Box
• MOQ: 100
• Delivery Time: 30days
• Process: Fully Ground
• Shank Type: Cylindrical
• Transport Package: Plastic Box, Blister Packing
• Specification: 4-12mm, 4-20mm, 4-32mm
• Trademark: OEM
• Origin: China
• HS Code: 82075090
• Production Capacity: 10000 Per Month

Product Description

Spiral Flute Step Drill Bit - HSS with Nano Blue Coating & Round Shank
With our expertise and commitment to quality, SPEEDYTOOLS delivers precision twist drills, taper shank drills, step drills, countersinks, end mills, center drills, hole saws, diamond saw blades, and TCT saw blades for superior cutting performance in every application. 
 

 

The Spiral Flute Step Drill Bit with Nano Blue coating is made from high-quality HSS and designed for clean, efficient hole making. The Nano Blue surface reduces heat and wear, while the spiral flute ensures smooth drilling and chip clearance. With a round shank design, it fits securely into standard drill chucks and is perfect for working on metal, plastic, and aluminum surfaces. 

Shank Type	Cylindrical	MOQ	100
Material	HSS Co, HSS M2	Delivery time	30-45days
Surface	Nano Blue Coating	Process	Fully Ground
Package	Plastic Box, Blister Packing	Size	4-12MM,4-20MM,4-32MM

Specifications

• Material: HSS

• Coating: Nano Blue

• Flute Type: Spiral

• Shank Type: Round

• Hole Sizes: Multiple steps

• Application: Stainless Steel, Aluminum, Plastic, Sheet Metal

 

Features

• Reduced friction with Nano Blue finish

• Long lifespan and cleaner cuts

• Spiral flute for faster drilling

• Round shank ensures universal compatibility

• Multi-size step design for various applications

Benefits

• Saves time and tool changes

• Handles heat and friction well

• Suitable for professional and industrial use

• Precise and consistent hole diameters

• Less effort required during drilling

 

All types of coating