Our 4‑Flute Stop Collar Countersink Bit, Firewood Splitting Bit, 4 cutting edge limit countersink drill has complete specifications and can be applied to different requirements of customers, welcome to inquire. Based on the principle of honest management, we are aggressive and pioneering, constantly developing new taper hole drill and mature market channels, and have earned an excellent corporate reputation. Our quality control department is rigorous and ensures that all products meet international standards. We have a deep commitment to customer satisfaction and are always looking for ways to improve our service. We have established a market image of sound operation, standardized development and excellent quality. The company's products are sold all over the world, and are well-known in the market for their excellent quality, good effects, and good technical services, and have won unanimous praise from customers and users. We continue to improve the level of technology research and development, increase investment in green environmental protection, and grasp the market dominance.
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![Carbide Countersink Drill Bit]()
Carbide Countersink Drill BitProduct Model: Hongniu Countersink Drill Bit Set
Shank Type: Round shank
Shank Diameter: 8mm (all models)
Total Length: 55mm
Countersink Diameter: 8mm / 10mm -
![Wood Splitter Drill Bit]()
Wood Splitter Drill BitMaterial: High-strength Carbon Steel (Dual High-frequency Quenching)
Hardness: ≥ HRC55
Diameter: 32mm / 42mm / 50mm
Total Length: 165mm
Shank Type: Square, Round, and... -
![Self-feeding Countersink Bit Set]()
Self-feeding Countersink Bit SetAdjustment: Semi-automatic Push-button Lock & Rotate
Cutter Material: 6542 HSS or Premium Carbide Options
Body: Aluminum Alloy + Chrome Vanadium Steel
Kit Sizes: 2.8x8mm,... -
![4-edge Countersink Drill Bit]()
4-edge Countersink Drill BitBlade Type: 6542 HSS 4-Edge Precision Cutter
Body: Aluminum Alloy Limit Base
Adjustable Depth: 12mm - 35mm with Laser-etched Scale
Center Drill: Replaceable HSS Drill... -
![Adjustable Depth Countersink Bit]()
Adjustable Depth Countersink BitDesign: Bearing-mounted Stop Collar (Non-marring)
Material: Carbide-tipped Cutter + HSS Center Drill
Adjustability: Fully adjustable center drill depth
Diameters: 2.8mm -... -
![Tapered Drill Bit]()
Tapered Drill BitMaterial: Industrial Grade Hardened Alloy / Carbide
Shank Type: 8mm Universal Round Shank
Center Drill Diameters: 2.8mm / 3.0mm / 3.2mm / 3.5mm / 4.0mm
Total Length: 55mm... -
![Mortising Chisel Drill Bit]()
Mortising Chisel Drill BitMaterial: High-carbon Steel with Induction Hardening
Processing: High-temperature Quenching / Heat Treatment
Shank Types: Four-pit Square / Two-pit Two-slot Round
Sizes:... -
![Square Wood Chisel Drill Bit]()
Square Wood Chisel Drill BitProduct Model: Hongniu Hammer Square Hole Drill
Compatible Tool: 800W or higher hammer drill
Suitable Material: Wood
Shank Types: 4-hole square shank / 2-hole 2-slot round... -
![Four Flute Countersink Drill Bit]()
Four Flute Countersink Drill BitProduct Model: Horniu 4-Flute Countersink
Model: 2.8×8mm
Countersink Dia.: 8mm
Center Drill Dia.: 2.8mm
Center Drill Length: 60mm -
![Countersink Bit With Stop]()
Countersink Bit With StopProduct Model: Horniu Auto-Stop Countersink
Total Length: 80mm
Shank Diameter: 6.25mm (hex shank)
Stop Diameter: 30mm
Center Drill Length: 60mm -
![Automatic Feed Countersink Bit]()
Automatic Feed Countersink BitProduct Model: Horniu Semi-Auto Countersink Set
Model: 2.0×8mm
Countersink Dia.: 8mm
Center Drill Length: 60mm
Center Drill Dia.: 2.0mm -
![Firewood Splitting Bit]()
Firewood Splitting BitProduct Model: Horniu Log Splitter Drill Bit
Model: 50 mm + Square Shank
Shank Type: Square shank
Total Length: 165 mm
Max Diameter: 50 mm
Juanita Allen
Through this cooperation, we have found that you are a trustworthy company, and it is our pleasure to cooperate with you.
Jolene Manuel
The product production process and quality inspection mechanism of this supplier are very suitable for our needs. And their prices are not very high, so it also allows us to control costs.
Jonathan Weeks
We had the privilege of visiting your company a few years ago and were impressed by your comfortable working environment and the enthusiasm and energy in every corner.
Aubrey Armstrong
Even though the cooperation process has not been very smooth, we hope that your company will develop more and more.
Nathan McLaughlin
I have been a regular customer of this supplier, and I certify its integrity.
Benjamin Kirtley
Your company's products simply exceed our expectations. We have been cooperating with you and trust your production capacity.
The spirit of selfless dedication of our employees is the fundamental driving force to ensure the sustainable development of our company and a powerful guarantee to improve the quality of our 4 flute countersink drill bit, strong magnetic bit ring. As one of the most experienced taper hole drill manufacturers and suppliers in China, our products have good reputation in the market. Please feel free to wholesale bulk premium taper hole drill made in China here and get quotation from our factory. We also accept customized orders.