7000E Miniature Solid Carbide Burr (SE Series)

DRILLCO 7000E Miniature Solid Carbide Burr — Precision Material Removal in Tight Geometries

The DRILLCO 7000E is a miniature solid carbide burr engineered for use in pencil grinders, purpose-built for deburring, weld removal, and material removal in tight spaces and on complex geometries. Manufactured from premium grade tungsten carbide, these burrs deliver the hardness and wear resistance required for demanding work on ferrous materials. The miniature series is designed specifically for very fine work where standard-sized burrs cannot reach or maneuver. Available in both single cut and double cut configurations across multiple head sizes, the 7000E series provides contractors and machinists with a versatile solution for precision metalworking tasks.

Technical Specifications

Available Items

The miniature sizing of the 7000E series sets it apart from standard-length and 6-inch long series carbide burrs, making it the right choice when working on very fine geometries or in confined areas where larger burrs simply cannot operate. The brazed shank construction ensures perfect concentricity and reduced vibration, which directly translates to better control and finish quality compared to alternatives with less precise shank attachment.

Key Features & Benefits

Miniature Sizing for Pencil Grinder Use

Designed specifically for use in pencil grinders, the miniature form factor allows contractors to access very small geometries and tight spaces that standard burrs cannot reach. This makes the 7000E series indispensable for detailed deburring and finishing work on intricate components.

Double Cut Tooth Design

The double cut tooth pattern enables aggressive material removal, allowing operators to work efficiently without excessive passes. This design is well-suited for ferrous metals where fast stock removal is needed without sacrificing surface finish quality.

Optimal Flute Geometry

The flute geometry is engineered for fast removal and a fine finish, balancing cutting speed with surface quality. Contractors benefit from fewer secondary finishing steps after using these burrs.

Solid Carbide Head

Manufactured from premium grade tungsten carbide, the solid carbide head provides the hardness and wear resistance needed for demanding metalworking applications. This construction supports longer tool life compared to lower-grade alternatives.

Brazed Shank for Concentricity and Reduced Vibration

The brazed shank attachment ensures perfect concentricity between the head and shank, minimizing runout and vibration during operation. Reduced vibration improves operator control and contributes to a more consistent, higher-quality finish.

Common Applications

Deburring of Ferrous Materials on Very Small Geometries

The miniature sizing makes these burrs ideal for removing burrs from small ferrous metal parts where precision and access are critical.

Weld Removal

The double cut design and solid carbide construction allow efficient removal of weld material, including in areas with limited clearance.

Material Removal in Tight Spaces

The pencil grinder-compatible miniature form factor enables material removal in confined areas that larger tools cannot access.

Material Removal on Complex Geometries

The combination of miniature sizing and optimized flute geometry allows contractors to work effectively on complex or irregular part profiles.

Compatible Materials

• Ferrous metals

Product Documents

• Safety Data Sheet (SDS)
• Linecard

Safety Data Summary

Hazard Information

• Primary route of entry: inhalation, skin contact, eye contact, and ingestion of dust generated during grinding
• Inhalation of dust may cause irritation of the nose and throat; potential for transient or permanent respiratory disease including occupational asthma and interstitial fibrosis
• Cobalt dust is identified as the most probable cause of respiratory disease associated with this product
• Skin contact can cause irritation or allergic skin rash due to cobalt sensitization
• Eye contact may cause irritation
• Cobalt is listed as IARC Group 2B (possibly carcinogenic to humans)
• NFPA Health Rating: 3; Flammability: 0; Reactivity: 0
• California Proposition 65 WARNING: This product can expose you to chemicals including Cobalt, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov
• Not combustible, not flammable, not pyrophoric, not explosive in solid form
• Dusts may present a fire or explosion hazard under rare conditions of particle size, dispersion, and strong ignition source
• Incompatible with strong acids and strong oxidizers

Personal Protective Equipment

• Wear safety glasses or goggles with side shields; do not wear contact lenses when handling
• Cloth or leather gloves recommended when contact with dust or mist is likely
• Use an appropriate NIOSH approved respirator if airborne dust concentration exceeds the applicable PEL or TLV
• Hearing protection may be required
• Always use machine guards and wear protective clothing to prevent injury in the event of tool breakage
• Employer should provide an eye wash station within the immediate work area

Safe Handling

• Use local exhaust ventilation adequate to limit personal exposure to airborne dust below PEL or TLV levels
• Clean up using methods that avoid dust generation: vacuum with appropriate filters, wet dust mop, or wet clean up
• Do not shake clothing, rags, or other items to remove dust; remove dust by washing or vacuuming with appropriate filters
• Wash hands thoroughly after handling and before eating or smoking; wash exposed skin at end of work shift
• Soiled clothing should be laundered separately
• Store in a dry place; store in a manner that prevents accidental environmental contamination from traces of industrial lubricants or wetting oils
• Persons with pre-existing respiratory disease may be at increased risk from exposure
• Disposal: send to an appropriate reclamation facility if available; otherwise dispose in compliance with federal, state/provincial, and local environmental regulations

Frequently Asked Questions

Q: What type of grinder is the 7000E miniature burr designed for?
A: The 7000E series is designed specifically for use in pencil grinders, which is what distinguishes the miniature series from DRILLCO's standard-length and 6-inch long series burrs.

Q: What materials can these burrs be used on?
A: These burrs are designed for deburring of ferrous materials on very small geometries, weld removal, and material removal in tight spaces and on complex geometries.

Q: What is the difference between the single cut (SC) and double cut (DC) options?
A: The double cut tooth design is described as providing aggressive material removal. Both single cut and double cut options are available across the SE-41, SE-51, SE-53, SE-61, and SE-81 head sizes in this series.

Q: How can I maximize the life and performance of these burrs?
A: According to DRILLCO, using the burr at the correct speed will increase both life and performance.

Q: What is the burr head made from?
A: The head is manufactured from premium grade tungsten carbide, which provides the hardness and wear resistance needed for metalworking applications.

Q: Are there any safety precautions I should be aware of when using these burrs?
A: Yes. Grinding carbide burrs generates dust that can be hazardous if inhaled. Use local exhaust ventilation, wear NIOSH-approved respiratory protection if dust levels exceed PEL or TLV limits, wear safety glasses with side shields, and use machine guards at all times. Cobalt, a component of the carbide, is listed as an IARC Group 2B possible carcinogen.