Factory Direct Precision Series

Industrial Precision CNC Drilling Bits & Tooling

Industrial-grade tungsten carbide and specialized high-speed drilling bits optimized for DUOMI CNC machinery, ensuring extended tool life, high chip evacuation, and burr-free hole quality.

Available Machine Models 18
All models support custom travel stroke, multi-spindle arrays, and tailored pneumatic clamping fixtures.
DM M28 Ø27.5mm Long Thermal Drill Bits with Collar

DM M28 Ø27.5mm Long Thermal Drill Bits with Collar

Top-grade thermal drill bits ensuring stable friction drilling, minimal wear, and precise hole forming for professional metal fabricators.

DM M12 Ø10.9mm Thermal Drill Bits for High-Strength Metal Forming

DM M12 Ø10.9mm Thermal Drill Bits for High-Strength Metal Forming

These thermal drill bits provide exceptional heat resistance, consistent accuracy, and strong bushing formation for heavy-duty work.

Professional DM M10 Ø9.2mm Thermal Drill Bits for Steel Profiles

Professional DM M10 Ø9.2mm Thermal Drill Bits for Steel Profiles

Advanced thermal drill bits optimized for smooth extrusion and minimal deformation on steel profiles and structural metal components.

DM M8 Ø7.3mm Thermal Drill Bits with Collar | Clean Hole Forming

DM M8 Ø7.3mm Thermal Drill Bits with Collar | Clean Hole Forming

Designed for friction drilling applications requiring strong extruded sleeves and reduced burrs, ensuring reliable metal processing results.

Long-Life DM M6 Ø5.3mm Thermal Drill Bits for Metal Tubes

Long-Life DM M6 Ø5.3mm Thermal Drill Bits for Metal Tubes

Specialized thermal drill bits ideal for forming threaded bushings in thin-walled tubes, providing extended tool life and stable precision.

DM M5 Ø4.5mm Collar-Type Thermal Drill Bits for Industrial Use

DM M5 Ø4.5mm Collar-Type Thermal Drill Bits for Industrial Use

Engineered for durability and consistent accuracy, these thermal drill bits deliver fast, clean, burr-free holes for industrial production.

High-Accuracy Thermal Drill Bits DM M4 Ø3.7mm for CNC Drilling

High-Accuracy Thermal Drill Bits DM M4 Ø3.7mm for CNC Drilling

Efficient thermal drill bits offering stable heat generation and flawless extrusion performance for CNC drilling and automated lines.

DM M3 Ø2.7mm Long Thermal Drill Bits with Collar for Metalwork

DM M3 Ø2.7mm Long Thermal Drill Bits with Collar for Metalwork

Precision thermal drill bits built for clean hole forming and strong bushing creation on steel, stainless steel, and aluminum materials.

Industrial DM 7/8UNF Ø20.5LF Thermal Friction Drill Bit Wholesale

Industrial DM 7/8UNF Ø20.5LF Thermal Friction Drill Bit Wholesale

Professional-grade bit for high-speed friction drilling of metal tubes and plates. Consistent quality for OEM users.

DM M12 Ø10.9mm Long Flat Bit for Thermal Friction Drilling

DM M12 Ø10.9mm Long Flat Bit for Thermal Friction Drilling

Optimized geometry ensures clean hole forming with extended tool life. Suitable for continuous industrial use.

Precision DM M10 Ø9.2mm Long Flat Thermal Drill Bit Supply

Precision DM M10 Ø9.2mm Long Flat Thermal Drill Bit Supply

High-efficiency friction drilling with superior heat resistance. Perfect for manufacturers seeking bulk supply.

DM M5 Ø4.5mm Thermal Friction Drill Bit Long Flat Design

DM M5 Ø4.5mm Thermal Friction Drill Bit Long Flat Design

DM M5 drill bits is engineered for smooth, burr-free friction drilling on steel and aluminum. Stable performance for high-volume production.

Wholesale DM M4 Ø3.7mm Long Flat Thermal Friction Drill Bits

Wholesale DM M4 Ø3.7mm Long Flat Thermal Friction Drill Bits

Durable M4 Ø3.7mm thermal friction drill bits delivering fast forming, long life, and reliable performance for metal workshops.

DM M3 Ø2.7mm Long Flat Thermal Friction Drill Bits Wholesale

DM M3 Ø2.7mm Long Flat Thermal Friction Drill Bits Wholesale

Premium M3 Ø2.7mm friction drill bits designed for clean, precise metal hole forming. Ideal for bulk industrial sourcing.

Round-mouth Flow drill friction drilling bit

Round-mouth Flow drill friction drilling bit

Round-mouth Flow drill friction drilling bit, there is a bulge after drilling

Flat mouth Flow drill friction drilling bit sale

Flat mouth Flow drill friction drilling bit sale

Flat mouth Flow drill friction drilling bit,Metalworking & Multipurpose Drill Bits

Guaranteed Delivery & Quality Chain

100% Pre-Dispatch Live Video FAT & 40-Day Max Lead Time

Every machine undergoes API laser pitch calibration and workpiece sample cutting. 50% final balance paid only after your video approval.

Inspect Our 13-Step Process

Request a Feasibility Evaluation & Fast Quote

Send your workpiece drawings (material, tube thickness, hole size, and production volume). Our application engineering team will recommend the optimal machine model and provide cycle-time simulation within 24 hours.

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