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Black Concrete Drill Biits With Silver Flute , Chrome Coated Masonry Drill Bit

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Black Concrete Drill Biits With Silver Flute , Chrome Coated Masonry Drill Bit

Name: Black Concrete Drill Biits With Silver Flute Chrome Coated Masonry Drill Bit
Brand: XRTOOLS
Price: 0.05 USD

Quality Black Concrete Drill Biits With Silver Flute , Chrome Coated Masonry Drill Bit for sale

Type : Concrete Drill Bits

Body material : 40Cr

Material : Tungsten Carbide

name : Mansory drill bits

Shank : Round shank

Tip material : Tungsten Carbide

Process : Galvanized finish, Nickel Plated,Chrome coated

Size : 10mm

Brand Name : XRTOOLS

Model Number : 3-20mm

Certification : ISO9000

Place of Origin : JIANG SU

MOQ : 500PCS

Price : 0.05-2.7$/PCS

Payment Terms : T/T, L/C, D/P

Supply Ability : 100,0000Pcs Per Mouth

Delivery Time : 30-45days

Packaging Details : Plastic tube,pvc bags,as your require.

Application : rotary and percussion drills.

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Product Description:

Designed for heavy-duty concrete and masonry drilling, this black concrete drill bit with silver flute and full chrome coating combines premium materials, advanced surface treatment, and precision engineering to deliver exceptional durability and consistent performance. The sleek black body paired with silver U-type flutes not only enhances visual recognition but also optimizes functionality, while the chrome coating adds an extra layer of protection for harsh working environments. It meets strict quality standards to ensure reliability in high-frequency, high-intensity work scenarios, making it a top choice for professional contractors.

Product Applications

Perfect for heavy-duty drilling on concrete, reinforced masonry, granite, brick, cinder block, and other hard materials. It is widely used in large-scale construction site operations, industrial maintenance, commercial renovation projects, and professional installation work (such as anchor fixing, pipeline drilling, and wall reinforcement). Trusted by skilled contractors for its exceptional durability, corrosion resistance, and ability to withstand continuous heavy drilling without performance degradation.

Black Body & Silver U-Type Flute Design

The drill bit features a black oxide-treated body for additional hardness and wear resistance, complemented by polished silver U-type flutes that stand out visually and deliver practical functionality. The silver flutes are precision-machined to optimize chip and dust ejection, quickly clearing debris from the drilling hole to reduce clogging, friction, and heat. This design not only extends the drill bit’s service life but also ensures stable, efficient drilling even in dense concrete and reinforced masonry.

High-Carbon Steel Core & Tungsten Carbide Tip

Crafted from high-carbon steel with heat treatment (58–60 HRC), the core delivers superior toughness and strength. It can withstand high torque and impact, avoiding bending or breaking, and ensuring consistent, accurate drilling performance for a long time. The YG8C tungsten carbide tip provides excellent wear resistance and sharpness, ensuring efficient drilling on hard materials. It is precision-brazed to prevent tip loss, further extending the drill bit’s service life and reducing replacement costs.

SIZE:

Diameter (mm)	Total Length (mm)	Working Length (mm)	Shank Diameter (mm)
4	70	40	6
6	100	65	6
8	120	80	8
10	150	100	10
12	160	110	10
16	200	140	12
20	250	180	14
40	1200	1100	16

Product Packaging

Packaged in durable, cost-effective plastic or cardboard packaging that protects the drill bit during transportation and storage. The clear labeling makes it easy to identify sizes and features, while the lightweight design ensures convenient storage and transportation. The packaging is designed to be cost-effective without compromising on protection, ensuring the drill bit arrives in perfect condition and reducing overall product costs—passing savings on to users.

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