1000N NITRO® Silver & Deming Drill, 1/2" Shank – Pack of 5

NITRO® S&D Drill 1/2" Shank – 1000N: Heavy-Duty HSS Drilling for Large-Diameter Holes

The DRILLCO NITRO® 1000N S&D (Silver & Deming) Drill is a heavy-duty High Speed Steel drill engineered for drilling large-diameter holes in low to medium strength materials using handheld power tools. All drills in the 1000N series feature a uniform 1/2" shank and 6" overall length, allowing them to fit standard 1/2" chucks regardless of cutting diameter. The 118° Split Point geometry reduces walking at the drill point for more accurate hole starts, while the 3-flat shank design minimizes slippage in the drill chuck. Built for contractors and trades professionals who require consistent, reliable performance across a wide range of fractional sizes from 33/64" through 1".

Technical Specifications

Available Sizes

The NITRO® 1000N S&D series offers superior performance over conventional HSS drills through its heavy-duty construction, Split Point geometry, and 3-flat shank — features that together extend tool life and improve hole-starting accuracy compared to standard jobber-length or bright-finish alternatives. The uniform 1/2" shank across all cutting diameters means a single chuck setup accommodates the full size range from 33/64" to 1", reducing tool changeover time on the job.

Key Features & Benefits

118° Split Point

The Split Point geometry is self-centering, reducing or eliminating walking when starting a hole — particularly valuable when drilling on curved surfaces or in handheld applications where a center punch may not be practical. This translates directly to more accurate hole placement and less rework on the job site.

3-Flat Shank

The 3-flat shank design grips securely in the drill chuck, minimizing slippage under load. For contractors drilling large-diameter holes where torque demands are high, this feature helps maintain consistent cutting performance and reduces the risk of the bit spinning in the chuck.

Heavy-Duty HSS Construction

Manufactured from High Speed Steel, the 1000N series is built for heavy-duty use with increased tool life compared to conventional HSS drills. HSS is the industry-standard material for general-purpose drilling in low to medium strength steels, aluminum, and other non-ferrous materials.

Uniform 1/2" Shank Across All Sizes

All drills in the 1000N series share a 1/2" shank regardless of cutting diameter, allowing the full range from 33/64" to 1" to be used in any standard 1/2" chuck. This eliminates the need for specialized equipment when stepping up to larger hole sizes.

6" Overall Length

The consistent 6" overall length across the entire series provides adequate reach for most field drilling tasks while maintaining rigidity. A standardized length simplifies depth stop setup when using a drill press or similar fixed-spindle equipment.

Made in the United States

The 1000N series is manufactured in the United States, supporting domestic supply chain reliability for contractors and procurement teams with country-of-origin requirements.

Common Applications

Drilling Large-Diameter Holes

The S&D (Silver & Deming) design — with a reduced 1/2" shank and full cutting diameter up to 1" — is the standard solution for drilling holes larger than 1/2" with a conventional 1/2" chuck drill.

Handheld Power Tool Use

The 3-flat shank and Split Point make the 1000N series well-suited for use in portable handheld drills, where chuck slippage and walking are common challenges with large-diameter bits.

Drilling Low to Medium Strength Materials

The HSS construction and 118° Split Point are optimized for low to medium strength materials, making these drills appropriate for structural steel, mild steel, aluminum, and similar materials commonly encountered in construction and fabrication work.

Fixed Spindle Applications

The 1000N series is also designed for use in fixed spindle applications such as drill presses, providing versatility across both field and shop environments.

Compatible Materials

• Low to medium strength steels
• Aluminum and other non-ferrous materials

Product Documents

• Safety Data Sheet (SDS)
• Product Sheet
• Linecard

Safety Data Summary

Hazard Information

• During normal operation, HSS drill bits do not present inhalation, ingestion, or other chemical hazards.
• Grinding, cutting, machining, burning, or welding may release dusts, fumes, or vapors that present health hazards if exposure limits are exceeded.
• Excessive inhalation of metallic fumes and dusts may cause irritation of eyes, nose, and throat; symptoms may include metallic taste, dryness and irritation of the throat, chills, and fever persisting 12 to 48 hours.
• Chromium is listed as a carcinogen by NTP and OSHA; associated with dermatitis, inflammation/ulceration of the upper respiratory tract, and possibly cancer of nasal passages and lungs.
• Tungsten: some evidence of pulmonary involvement such as cough.
• Vanadium: eye and respiratory tract irritant.
• Cobalt dust is identified as the most probable cause of respiratory diseases including occupational asthma and interstitial fibrosis.
• Fine metal particles produced when ground or sawed can burn; high concentrations in air may present an explosion hazard.
• NFPA Hazard Rating: Health 1; Flammability 0; Reactivity 0.

Personal Protective Equipment

• Cloth or leather gloves recommended when contact with dust or mist is likely.
• Wear safety glasses or goggles with side shields; contact lenses should not be worn when handling these materials.
• Hearing protection may be required.
• Always use machine guards and wear safety glasses and protective clothing to prevent injury in the event of tool breakage.
• Use an appropriate NIOSH-approved respirator if airborne dust concentration exceeds the applicable PEL or TLV.
• Use local exhaust ventilation adequate to limit personal exposure to airborne dust to levels that do not exceed the PEL or TLV.

Safe Handling

• Perform grinding, cutting, and machining operations in well-ventilated areas.
• Wash hands thoroughly after handling and before eating or smoking; wash exposed skin at end of work shift.
• Do not shake clothing, rags, or other items to remove dust — remove dust by washing or vacuuming with appropriate filters.
• Store in a dry place in a manner that prevents accidental environmental contamination from traces of industrial lubricants or wetting oils.
• Clean up using methods that avoid dust generation such as vacuum (with appropriate filters), wet dust mop, or wet clean up.
• Soiled clothing should be laundered separately.
• Incompatible materials: strong acids, strong oxidizers.
• Emergency phone number: CHEM-TEL INC 1-800-255-3924.

Frequently Asked Questions

Q: What is an S&D drill and why does it have a 1/2" shank if the cutting diameter is larger?
A: S&D (Silver & Deming) drills are designed specifically for drilling large-diameter holes — in this case from 33/64" up to 1" — using a reduced 1/2" shank. The 1/2" shank allows the full size range to be used in any standard 1/2" chuck without requiring a larger or specialized drill.

Q: What materials are the NITRO® 1000N drills designed to cut?
A: The 1000N series is designed for drilling in low to medium strength materials. The HSS construction is suitable for low to medium strength steels, aluminum, and other non-ferrous materials.

Q: Can these drills be used in a handheld power drill?
A: Yes. The 1000N series is specifically listed for use with handheld power tools. The 3-flat shank minimizes slippage in the chuck, and the 118° Split Point reduces walking at the drill point — both important features for handheld drilling accuracy.

Q: Can the 1000N drills also be used in a drill press or CNC machine?
A: Yes. The product sheet states the NITRO® drill series is designed for use in portable hand drills or fixed spindle applications such as drill presses.

Q: What size range is available in the 1000N series?
A: The 1000N series is available in 32 fractional sizes from 33/64" through 1", in 1/64" increments. All sizes share the same 1/2" shank and 6" overall length.

Q: What are the critical factors for getting the best performance and tool life from these drills?
A: According to DRILLCO, speed, feed, and lubrication are all critical to cutting tool performance. Proper attention to all three factors will help maximize tool life and hole quality.