1/4 Inch Hex Shank M35 Cobalt 5% Spiral Flute Step Drill Bits for Metal Drilling

• Customized: Customized
• Standard: Fat
• Length: 65mm,75mm,100mm
• Type: Step Drill Bit
• Material: High Speed Steel
• Usage: Wood Drilling, Metal Drilling
• Model NO.: 1490
• Surface: Titanium Coated
• Shank: 3-Way Clamping
• Transport Package: Stardard Export Carton
• Specification: 4-12mm 4-20mm 4-32mm
• Trademark: Ergaster
• Origin: China
• HS Code: 8207509000
• Production Capacity: 500000 Pieces/Year

Product Description

Best Titanium Hss Step Drill Bit for stainless steel,thick metal,wood
Step Drill Bit Material	HSS4241(HSS4341,M2,M35 are available)
Step Drill Bit Style	Spiral Flute(Straight  Flute is available)
Step Drill Bit Shank	3-Way Clamping (Hex Shank Size 1/4" Inch (6.35 mm),Cylindrical Shank are available)
Step Drill Bit Surface	Titanium Coated(Bright Finished,Amber Color are available)
Step Drill Bit Package	in Plastic Box,in Double Blister Card ,in Metal box
Step Drill Bit Features	The CBN ground and spiral flutes quarantee quiet running and high cutting performance. Especially the chip flow is optimized, so even long,non-breaking chips will be removed easily. The optimized chip flow protects the cutting edges and reduces built-up edges and cold weld marks. The cone makes it easier to withdraw the tool from the material.          Suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, bronze, aluminum etc.

Durable & Sturdy W/Cobalt Added ----- Solid M35 molybdenum high speed construction with cobalt added for extra durability, close to impossible to snap compared conventional drill bits, the unique 3-sided shank prevents slip in drill chuck and reduces shocks; oiling the bits recommended before every use to maximize the service life.
Jam-Free Performance ----- Dual-flute design and three-sided shank design is optimized for cordless drills in high speed provides greater speed and control while minimizing steel scurf flying around, to lengthen service life, please do not set drilling speed at its maximum to avoid damage to the cutting edge.




 

FAQ

Q: What drill bit types can we provide ?

A: We are a professional manufacturer of drill bit and have our own packing centre. We have worked together with many good manufactuers of different tools as an exclusive tool club. We can provide our factory direct price for a vast range of products, including power tool accessories, hand tools, combination kits, etc.

Q:What is the shipping port?

A: We ship the goods via Shanghai/Ningbo/Yiwu/Guangzhou port.

Q:How about the sample of drills?

A: The samples of drills will be sent to you via express .You can testing quality of our tool.

Q:How do you control the quality of drill?

A: We will make samples before mass production, and mass production will be arranged after samples approved. Doing 100% inspection during production, then do random inspection before packing, taking pictures after packing.

Q:Is drill OEM available?

A: Customization(OEM)for our main products is accepted -- Our factory have the Qualified Designer team. They can design according to your drawing or pictures,and produce the sample for your checking before order. Please kindly contact our sales staff for quotation.

Shipping way

1. Small quantity: by international air express (TNT/FedEx/DHL/UPS for samples or under 45KG wegight goods .)

2. Large quantity: by ocean cargo, arriving time depends on customers destination

3. Customers specifying freight forwarders or not.

Our service

1. 24hours online technical support (telephone and email)

2. Engineers are available

Please contact with us when you gonna order,we will answer back ASAP.