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  • HSS Solid Carbide HM NC Centering Spot Drill Bit for Centre Spot Drilling
  • HSS Solid Carbide HM NC Centering Spot Drill Bit for Centre Spot Drilling
  • HSS Solid Carbide HM NC Centering Spot Drill Bit for Centre Spot Drilling
  • HSS Solid Carbide HM NC Centering Spot Drill Bit for Centre Spot Drilling
  • HSS Solid Carbide HM NC Centering Spot Drill Bit for Centre Spot Drilling
  • HSS Solid Carbide HM NC Centering Spot Drill Bit for Centre Spot Drilling
HSS Solid Carbide HM NC Centering Spot Drill Bit for Centre Spot Drilling

HSS Solid Carbide HM NC Centering Spot Drill Bit for Centre Spot Drilling

  • >= 100 Pieces
    $4
View product details

HSS Solid Carbide HM NC Centering Spot Drill Bit for Centre Spot Drilling

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Center Spot Drilling: Designed to create precise center spots and starter holes for drilling operations, ensuring accurate alignment and reduced material deformation.
  • Multi-Material Compatibility: Capable of drilling through metal, plastic, and wood with high-speed steel (HSS) and carbide construction for enhanced durability and precision.

Key features

  • 1. Advanced Material Technology

    • With a high-speed steel (HSS) and solid carbide construction coated in titanium nitride (TiN), you can achieve exceptional durability and reduced friction during drilling. The TiN coating ensures ~30% longer lifespan than uncoated HSS bits*.

  • 2. Optimized Interactive Design

    • With a helical flute design, you can ensure efficient chip removal and cooling, preventing overheating during prolonged use. The hexagonal shank provides secure gripping in drills for consistent performance.

  • 3. Superior Performance Parameters

    • With precision-ground cutting edges, you can achieve faster drilling speeds and maintain sharpness even in hard metals, outperforming standard HSS drill bits by up to 20%*. The design minimizes vibration for smoother operation.

  • 4. Versatile Scenario Solutions

    • With its centering spot drilling capability, you can create accurate starting points for holes in metalworking projects. Ideal for both professional workshops and DIY home repairs, it ensures precise alignment in diverse applications.

  • 5. Compliance with Industrial Standards

    • With materials meeting ISO-compliant manufacturing standards, you can trust its reliability for demanding metal applications*. The HSS and carbide composition align with industry safety and durability requirements.

Product details

HSS Solid Carbide HM NC Centering Spot Drill Bit for Centre Spot Drilling

The HSS Solid Carbide HM NC Centering Spot Drill Bit combines high-speed steel (HSS) durability with carbide-tipped precision for center spot drilling in metal, plastic, and wood. Its titanium nitride (TiN) coating reduces friction, while helical flutes ensure efficient chip removal. Designed for versatility, it suits professional workshops and DIY projects alike.

Technical specifications

FeatureSpecificationBenefit
MaterialHSS core with solid carbide tipsEnhanced hardness and heat resistance
CoatingTitanium nitride (TiN)Reduced friction, extended edge longevity
Flute DesignHelical geometryImproved chip evacuation and cooling
Shank TypeHexagonal cylindricalSecure grip in drill chucks
ApplicationCenter spotting in metal/plastic/woodPrecise hole initiation for drilling

Customization guide

Adjustable parameters include:

  • Coating type (e.g., TiAlN for high-temperature applications)
  • Flute geometry (optimized for specific material thickness)
  • Tip angle (custom angles for specialized drilling depths)

Get inspired

With its carbide-tipped precision and TiN coating, this drill bit ensures clean center spots for accurate hole alignment. Ideal for machining workshops needing consistent results in hardened metals or DIY projects requiring minimal tool wear.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Material CompositionHSS + standard carbideHSS + micro-grain carbideHSS + nano-coated carbide
CoatingTiN (standard)TiAlN (heat-resistant)CVD diamond-like (premium)
Flute EfficiencyStandard helicalOptimized helicalHigh-angle helical
Lifespan vs. IndustryBaseline+25% durability+40% durability*

Supplier's note

  1. Technical Breakthroughs:

    • Carbide Tips: Triple the hardness of standard HSS, enabling drilling in hardened steels.
    • TiAlN Coating: 20% cooler operation compared to TiN, reducing thermal distortion.
    • Helical Flutes: 30% faster chip ejection, minimizing clogging in dense materials.

  2. Optimal Version Selection:

    • Base Model: Ideal for occasional users (e.g., hobbyists) drilling soft metals or plastics.
    • Advanced Model: Suited for workshops requiring medium-duty production runs (e.g., automotive repair).
    • Pro Model: Best for industrial users (e.g., aerospace machining) needing extreme durability and precision. With its diamond-like coating, the Pro Model maintains sharpness 40% longer than industry standards, ensuring consistent performance in high-volume operations.

Frequently asked questions

  • Which HSS solid carbide drill bit suits precise center spotting for metal drilling?

  • How do I maintain an HSS solid carbide drill bit for longevity?

  • What’s the advantage of combining HSS and carbide in this drill bit?

  • Can this drill bit be customized for specific CNC machining needs?

  • Is this HSS solid carbide drill bit FDA-approved for food-grade materials?

  • Which drill bit works best for drilling hardened steel without overheating?

  • Can this center spot drill bit be used in CNC machining for precision holes?

  • How does this drill bit compare to standard HSS bits in terms of lifespan?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHeavy machinery assembly, aerospace manufacturingIndustry Standard: High-speed steel (HSS) (ASTM A681)
Our Base: HSS + steel alloy (ASTM A681)
Our Advanced: Solid carbide (ISO 513 P30 grade) ▲▲▲		▲ Base: Cost-effective for general metalwork
▲▲ Advanced: 3x harder than HSS for hardened steels		▲ Base: Limited to medium-duty applications
▲▲ Advanced: 50% higher cost
Coating TechnologyHigh-precision CNC machiningIndustry Standard: Uncoated or zinc-plated
Our Base: Titanium nitride (TiN) coating (ASTM F792) ▲
Our Advanced: Diamond-like carbon (DLC) coating ▲▲		▲ Base: 40% friction reduction
▲▲ Advanced: 200% wear resistance vs. TiN		▲ Base: Coating may chip under extreme heat
▲▲ Advanced: 30% premium pricing
Flute GeometryDeep-hole drilling in automotive partsIndustry Standard: 2-flute straight design
Our Base: 3-flute helical (ISO 13399) ▲
Our Advanced: 4-flute hyper-helix ▲▲		▲ Base: 30% faster chip evacuation
▲▲ Advanced: 50% less vibration		▲ Base: Requires higher RPM
▲▲ Advanced: Not compatible with older drills
Temperature ToleranceHigh-heat environments (forge shops)Industry Standard: 300°C max
Our Base: 450°C (ISO 830-3) ▲
Our Advanced: 600°C (ASTM E23) ▲▲		▲ Base: Maintains hardness at elevated temps
▲▲ Advanced: Withstands plasma cutting temps		▲ Base: Not suitable for cryogenic applications
▲▲ Advanced: Requires cooling systems
Edge SharpnessPrecision electronics drillingIndustry Standard: 0.2mm edge radius
Our Base: 0.08mm (ISO 1940-1) ▲
Our Advanced: 0.03mm laser-sharpened ▲▲		▲ Base: 25% cleaner hole edges
▲▲ Advanced: 50% less burring		▲ Base: Softer materials may clog edges
▲▲ Advanced: Delicate to lateral forces
Spindle SpeedHigh-speed robotic drillingIndustry Standard: 1,200 RPM max
Our Base: 3,000 RPM (ISO 23742) ▲
Our Advanced: 5,000 RPM ▲▲		▲ Base: 2x faster production cycles
▲▲ Advanced: Matches industrial CNC speeds		▲ Base: May overheat at peak RPM
▲▲ Advanced: Requires high-torque motors

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