Choosing the Right drilling bits for Your Industrial Needs

1. Understanding the Basics of drilling bits

What constitutes a drilling bit?

• A drilling bit is a cutting tool used to create or enlarge holes in a workpiece.
• It consists of material (e.g., high‑speed steel, carbide), geometry (flute design, point angle) and coating or treatment.

Key material and geometry factors

• Material hardness and toughness determine service life and suitability for different substrates.
• Geometry (e.g., helix angle, point angle) affects chip removal, heat generation and drilling accuracy.
• Coating or heat treatment can enhance performance—especially when drilling tougher materials.

2. Breakdown of Common Long‑Tail Applications

high‑speed steel drilling bits for metal — when to choose HSS for metal drilling

• HSS (high‑speed steel) drilling bits are a cost‑effective choice for standard metal drilling tasks.
• They offer good toughness and moderate hardness—suitable for mild steel, aluminium.
• If you are working with general purpose holes in metal, HSS may suffice.

carbide tip drilling bits for concrete applications — advantages in masonry & concrete

• Carbide tip drilling bits deliver higher hardness and abrasion resistance—ideal for concrete, masonry, stone.
• The tip withstands the high wear from hard aggregate and repeated hits or hammer drilling.
• When drilling holes in concrete for anchors or fasteners, this type is often the better choice.

heat treated drilling bits for stainless steel — addressing tough alloys

• Stainless steel and other exotic alloys generate high heat and work‑hardening—requiring bits with special treatment.
• Heat treated drilling bits provide extra durability, maintain sharper edges under load, resist thermal softening.
• For industrial applications where stainless or high alloy steels are used, this variant is highly recommended.

precision drilling bits set for industrial use — when precision set matters

• A drilling bits set gives you multiple diameters, consistent geometry and matching performance indicators.
• Industrial users benefit from precision sets to maintain quality, interchangeability and reduce bit‑change downtime.
• If your operation demands repeatable hole sizes, high accuracy and minimal variation, choose a dedicated precision set.

eco‑friendly drilling bits with long life coating — sustainability and longevity

• Eco‑friendly drilling bits emphasise material efficiency, longer tool life and reduced waste.
• Long life coatings (e.g., advanced PVD or other finishes) reduce friction, minimise heat and extend service life.
• For companies pursuing greener manufacturing and cost savings over tool replacement, these bits are a smart option.

3. Side‑by‑Side Comparison: Which drilling bit for which job?

Material vs bit type vs cost vs lifespan

Practical decision checklist

• Identify the substrate material you’ll be drilling (metal, concrete, alloy, etc.).
• Estimate the hole volume / production volume — high volume may justify premium bits.
• Evaluate tool life vs cost — sometimes higher upfront cost yields lower total cost per hole.
• Consider environmental or efficiency goals (e.g., using eco‑friendly drilling bits with long life coating).
• Ensure the chosen drilling bit aligns with your drilling machine’s speed, feed and cooling capabilities.

4. Why Choose Us: About Our Company and Manufacturing Excellence

Company history & credentials

• Founded in 1995, our company is located in Ganyao town, Jiashan city, Zhejiang Province, covering an area of 36,000 m² with a plant area of 65,000 m².
• We have attained ISO 9001:2015 certification and, over continuous business development, were awarded national high‑tech enterprise status, a Jiaxing patent model enterprise, Municipal R&D centre, Famous trademark and Civilized enterprise.

Manufacturing capabilities and export reach

• As a professional manufacturer, we specialise in producing all kinds of drill bits, pliers, and hand tool sets.
• Our products are exported to Japan, Europe, the United States and other overseas markets.
• With advanced equipment, quality control and export‑ready logistics (close to Shanghai and Hangzhou, via high speed train, airport, highway), we ensure reliable supply and competitive lead times.

5. Best Practices for Using and Maintaining drilling bits

Proper drilling speed, feed, cooling

• Always match the drilling bit type to the correct rotational speed (RPM) and feed per revolution for your substrate.
• Use appropriate cooling or lubrication when drilling metals to reduce heat and prolong bit life.
• When drilling masonry or concrete, ensure correct hammer or rotary mode if applicable, and avoid clogging of the flutes.

Maintenance tips and storage

• Inspect bits regularly for wear, chipping or dulling—the performance drop is often subtle but costly over volume.
• Clean flutes and remove debris after use to maintain chip clearance and avoid heat build‑up.
• Store bits in a dry, organised tool‑box or rack—avoid banging and damage to cutting edges.
• Track service life of bits and replace when signs of wear exceed performance thresholds rather than waiting for complete failure.

6. Frequently Asked Questions (FAQ)

• Q1: What bit type should I use for drilling mixed materials in one job?
  A1: If you encounter mixed substrates (e.g., metal plus concrete), it’s best to select a bit designed for the hardest material—or plan to change bits between substrates to maintain efficiency and life.
• Q2: How do I know if my drilling bit is worn out?
  A2: Signs include slower penetration, increased heat, rounded edges, excessive burrs. At that point your cost per hole increases significantly.
• Q3: Can I reuse a drilling bit after sharpening?
  A3: Yes, for many metal‑drilling bits you can resharpen, but repeated sharpening reduces geometry accuracy and may not be economical compared with premium bits designed for long life.
• Q4: Does coating always justify higher cost?
  A4: Only if your production volume or substrate hardness/time make tool life a constraint. For low volume or soft materials, standard bits may suffice.
• Q5: How should I choose between different diameters in a precision set?
  A5: Match diameter to hole requirement with minimal excess clearance, and when hole quality (roundness, finish) matters, use the smallest diameter bit that meets spec from a precision drilling bits set.