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BB Flat Bottom Drill Bit Long Length 2mm-12mm Carbide Hole Drilling Tool BK2055 BL2060

Price range: $52 through $635

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SKU3256808554929798
  • High-concerned chemical: None
  • Brand Name: BB
  • Origin: Mainland China
  • is_customized: Yes
  • DIY Supplies: Metalworking
  • Material: Tungsten Carbide
  • Type: Carbide Drill Bits for Machine Tools (SPU)
  • Use: Metal Drilling
  • Length: 58

Flat Bottom Drill


A-Angle Spiral Groove

Corrosion-Resistant / Not Easy to Oxidize
The A-angle geometry reduces cutting forces, expedites chip flow, enhances structural rigidity, and provides superior vibration damping, minimizing tool chipping and extending tool life.

Edge Nano Coating

Extended Lifespan, Reduced Costs
Advanced Multi-Coating Technology: Enhances Milling Cutter Performance, Ensuring Exceptional Wear Resistance and Extended Tool Life for Maximum Cost Savings.
BK2055:Black Titanium Coating
BL2060:Blue Nano-Coating

180-Degree Flat-Head Edge

No Deflection, Small Hole Expansion
edge Passivation Treatment, Resulting in Higher Surface Finish of the Tool, While Enhancing Rigidity and Sharpness for Smoother Cutting


A Drill Bit That Can Be Used for a Variety of Machining Operations

Capable of handling a variety of machining conditions such as counterbores, angled surfaces, and cross holes.
Angled Machining
Curved Through-Hole Machining
Special Position Counterbore Machining
Counterbore Machining
Exit surface Machining
Exit Bevel Machining
Thin Plate Through- Hole Machining
Curved Counterbore Machining
Cross-Hole Machining
Pilot Hole Machining
Correcting Off-Center Holes
Semi-Hole Machining

Solid Cemented Carbide

High Hardness High Cutting Performance
Increase Lifespan 2-3 Times
Utilizing micro-grain carbide substrate, it possesses enhanced wear resistance and strength, specifically designed for high-hardness high-speed cutting applications.


Hardened By Quenching

High Precision Vibration Resistance
High Temperature Quenching
Good Quenching Penetration,Resistant To Multiple Impacts
Excellent Low Temperature Impact Toughness,Sturdy And Durable,
Can Improve Cutter Head Service Life And Vibration Resistance

Universal Round Shank Design

User-Friendly, Portable
The handle has a chamfered design, making it easier to clamp

The Differences in Use Between Flat Bottom Drills/ Conventional Drill Bits/and End Mills

Cutting Tools:
Hole Bottom Shape
Flat-Bottomed Drilling
non-flat-Bottomed Drilling
Lateral Feed

Wave-Crescent Flat Bottom Drill:
Convex (180°) 、Basic Flat Bottom (Concave)
Universal Drill Bit A Feed of About 1/2
Highly Suitable (Suggested Within 3D)
Not Available

Conventional Drill Bit:
Convex (140°)、 (concave)
Highly Suitable
Not Available (May Break)

End Mill:
Convex (2-3° Medium low)、(convex)、Not Used for Bottom Hole Machining
General
Highly Suitable

Machining Finish Comparison High Finish Comparison

The Machining Finish is Twice That of a Conventional Drill Bit
Wave-Crescent Flat Bottom Drill
Conventional Drill Bit
Exit Side Burrs

Applicable Materials

Born for Metal Drilling
Suitable for stainless steel, die steel, sheet steel, etc.

Applicable Machines

Drilling Equipment
Machining Center
Engraving Machine

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Size guide

Information &

Conversion Table:

Size US Size UK Size EU Size Japan Size
XS 4 6 36 22
S 6 8 38 24
M 8 10 40 26
L 10 12 42 28
XL 12 14 44 30
XXL 14 16 46 32

 

Note: Sizes may vary slightly between different brands and manufacturers. It's recommended to refer to specific sizing charts provided by the brand for accurate measurements.

Frequently

Asked

Questions

Product Warranty

Our Product Warranty ensures peace of mind with every purchase, offering coverage against manufacturing defects and faulty materials. With our warranty in place, you can shop confidently, knowing that your investment is protected. Whether it's a year or more, our warranty duration varies by product, providing comprehensive support throughout its lifespan. In the rare event of an issue, our dedicated support team is ready to assist you with prompt resolutions and hassle-free replacements. Trust in our commitment to quality and customer satisfaction with our robust Product Warranty.

Product Care Instructions

Our Product Care Instructions provide essential guidance on how to maintain and prolong the lifespan of your purchase. From cleaning techniques to storage recommendations, these instructions offer valuable tips for ensuring optimal performance and appearance. Following these care instructions diligently helps preserve the integrity of your product, ensuring it remains in top condition for years to come. Whether it's delicate fabrics or sensitive electronics, our comprehensive care instructions cater to a wide range of products, empowering you to take the best care of your investment. Trust in our expert advice to keep your items looking and functioning their best.

Product Order Modifications

Need to make changes to your order? Our Product Order Modifications feature allows you to adjust order details such as shipping address, product quantities, or payment methods before processing. Enjoy the flexibility to tailor your order to your exact specifications even after it's been placed. Whether you've had a change of heart or simply need to update information, our intuitive modification process ensures a seamless shopping experience. Simply log into your account, locate your order, and make the necessary adjustments hassle-free. Experience convenience and control over your purchases with our easy-to-use Order Modifications feature.

Product Technical Support

Our Product Technical Support ensures you receive expert assistance with setup, troubleshooting, and any technical queries you may have. Our dedicated team of support professionals is available to provide personalized guidance and solutions tailored to your needs. Whether you're experiencing issues with installation, configuration, or software compatibility, we're here to help you every step of the way. With prompt responses and comprehensive assistance, we strive to resolve your technical issues efficiently, minimizing downtime and maximizing productivity. Trust in our reliable Technical Support to keep your products running smoothly and efficiently.

Product Wholesale & Bulk Orders

Looking to make large quantity purchases? Our Product Wholesale & Bulk Orders service offers competitive pricing and flexible solutions to meet your needs. Whether you're a retailer, business, or organization, we cater to bulk orders with ease and efficiency. Enjoy discounted rates and customized packages tailored to your specific requirements, ensuring maximum value for your investment. Our dedicated sales team is ready to assist you with personalized quotes, product recommendations, and logistical support to streamline the ordering process. Trust in our expertise and reliability to fulfill your wholesale and bulk order needs with precision and professionalism.

Shipping & Delivery

All estimated shipping times are in addition to fulfillment times, We offer a next working day delivery for orders placed before 6:30 p.m. Monday to Friday. Orders placed after this will be delivered within two working days. This excludes Saturday, Sunday and holidays. Appointed is not responsible for any customs/duties related to international orders. We are unable to calculate charges prior to your order being delivered, and recommend checking with your local customs office for more information. Shipping fees will not be refunded if you refuse these charges.

Shipping
  • Free destination delivery above $100
  • Europe 1 – 3 days Free
  • United States 4 – 6 days Free
  • Asia 3 – 6 days Free
  • Africa 5 – 7 days Free
  • Australia 3 – 5 days Free

Returns & Refunds

We have a 14-day return policy, which means you have 14 days after receiving your item to request a return, To be eligible for a return, your item must be in the same condition that you received it, unused, and in its original packaging. You’ll also need the order confirmation, order number, or proof of purchase. We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

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