HRC65 8D Internal Coolant Solid Carbide Drill Bit – 7.0–8.9mm

$73.42 USD

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SIZE: 7.0*66*106*d8

7.0*66*106*d8
7.1*76*116*d8
7.2*76*116*d8
7.3*76*116*d8
7.4*76*116*d8
7.5*76*116*d8
7.6*76*116*d8
7.7*76*116*d8
7.8*76*116*d8
7.9*76*116*d8
8.0*76*116*d8
8.1*95*139*d10
8.2*95*139*d10
8.3*95*139*d10
8.4*95*139*d10
8.5*95*139*d10
8.6*95*139*d10
8.7*95*139*d10
8.8*95*139*d10
8.9*95*139*d10
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Description

BEYOND HRC65 8D Internal Coolant Solid Carbide Drill Bit (7.0–8.9mm)

Brand: BEYOND

Hardness: HRC65

Design: 8D long-length with internal coolant holes

Shank Type: Straight shank

Material: Ultra-fine grain carbide

Product Description

The BEYOND HRC65 8D internal coolant solid carbide drill bit (7.0–8.9mm) is engineered for high-speed, deep-hole drilling in hardened materials up to HRC65. It offers excellent chip evacuation through dual internal coolant channels, ensuring consistent accuracy and extended tool life in CNC machining applications.

  • 8D (8× diameter) long-length design for deep-hole drilling
  • High hardness up to HRC65 – perfect for hardened steel, die steel, and tool steel
  • Internal coolant channels improve chip evacuation and cooling efficiency
  • Optimized flute geometry for stable drilling and precision hole finish
  • Suitable for high-speed CNC machines and automated production lines

Applications

Ideal for drilling:

  • Hardened steels (up to 65HRC)
  • Alloy steels and stainless steels
  • Tool steels and die steels
  • Precision mold and automotive parts

Available Sizes (7.0–8.9mm)

Diameter (mm) Flute Length (mm) Total Length (mm) Shank Diameter (mm)
7.0 66 106 8
7.1 76 116 8
7.2 76 116 8
7.3 76 116 8
7.4 76 116 8
7.5 76 116 8
7.6 76 116 8
7.7 76 116 8
7.8 76 116 8
7.9 76 116 8
8.0 76 116 8
8.1 95 139 10
8.2 95 139 10
8.3 95 139 10
8.4 95 139 10
8.5 95 139 10
8.6 95 139 10
8.7 95 139 10
8.8 95 139 10
8.9 95 139 10

Why Choose BEYOND Carbide Drills?

  • High-precision CNC manufacturing
  • Strict quality control and testing
  • Professional solutions for metal cutting
  • Custom sizes and coatings available upon request

Keywords: HRC65 carbide drill, 8D internal coolant drill, deep hole drilling carbide bit, long length solid carbide drill, hardened steel drill bit, CNC carbide drill BEYOND.

Additional Information
SIZE

7.0*66*106*d8, 7.1*76*116*d8, 7.2*76*116*d8, 7.3*76*116*d8, 7.4*76*116*d8, 7.5*76*116*d8, 7.6*76*116*d8, 7.7*76*116*d8, 7.8*76*116*d8, 7.9*76*116*d8, 8.0*76*116*d8, 8.1*95*139*d10, 8.2*95*139*d10, 8.3*95*139*d10, 8.4*95*139*d10, 8.5*95*139*d10, 8.6*95*139*d10, 8.7*95*139*d10, 8.8*95*139*d10, 8.9*95*139*d10