10mm Cobalt-Containing M35 DIN338 High Quality HSS Straight Twist Drill Bit

• Customized: Customized
• Standard: Normal
• Length: Normal
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: BHH-001
• Type: Electric Hammer Drill
• Material: High Carbon Steel
• Usage: Normal
• Transport Package: Adjustment Customers′ Requirements
• Specification: all sizes are available
• Trademark: goldmoon
• Origin: China
• HS Code: 82075090
• Production Capacity: 50000 Pieces Per Year

Product Description

Product Description

Product Advantages:
(1) 3 Steps desigh tip starts drilling immediately with less force and eliminates "walking" across the work surface. 
(2) Holds up better than generic high-speed steel,Cobalt gives high-speed steel more heat and wear resistance. 
(3) This drill bits set is made of Premium Cobalt (80,000 dollars per ton).
(4) The Wnewtools metric cobalt drill bits can cut through Stainless steel and Hard metal,Hard wood, although they can be used for softer materials such as Aluminum,Plastic.

Some Important Tips about drilling stainless steel and hard metal: 
    (1)Controling the drill speed from 200 to 1000 RPM would make it easier for you to drill holes on stainless steel. 
________________________________
                Stainless Steel                   
    ____________________________ 
      Drill diameter               RPM         
    ____________________________
      ≤5mm                       1000~700
    ____________________________
      5-10mm                     700~350 
    ____________________________ 
      10-15mm                   350~200 
________________________________

    (2)Add stainless steel tapping oil or engine oil to prevent the stainless steel from overheating and forming a very hard oxide layer.It also works adding some vinegar,soy sauce or water if you don't have engine oil.

Detailed Photos

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Why choose us

FAQ

Q: What can we provide ?

A: We are a professional manufacturer of hole saw and have our own packing centre. Through more than 10 years of effort, 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 port.

Q:How about the sample?

A: The samples will be sent to you via express and arrive in 3-5 days. You can use your own express account or prepay us if you do not have an account

Q:How do you control the quality?

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.

Shipping way

1. Small quantity: by international air express, within 3-7days arriving

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

Our service

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

2. 100% Satisfaction Guarantee

3. Engineers are available

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