Garant 7.8 mm Solid Carbide Jobber Drill – 12×D | DLC Coated for Aluminum & Plastics
Product Overview:
Engineered for deep hole drilling with exceptional precision, this 7.8 mm solid carbide jobber drill features a DLC sp² coating for outstanding chip evacuation and minimal friction. Designed for 12×D drilling depths, it includes 6 guide chamfers for high roundness and hole alignment. Through-coolant capability (25 bar) supports efficient HPC machining in aluminum, copper, plastics, and composites.
Key Features:
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Diameter: 7.8 mm (h7 tolerance)
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Drill depth: 96.3 mm (12×D)
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Overall length: 146 mm
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Coating: DLC for low friction & long life
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Shank: 8 mm, DIN 6535 HA, h6 tolerance
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Cutting edges: 2 with 135° point angle
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Through-coolant: Yes, 25 bar
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Machining Strategy: HPC (High Performance Cutting)
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Color-coded yellow ring for easy ID
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Optimized for materials like Alu >10% Si, CuZn, PEEK, PTFE CF25, and more
Applications:
Ideal for deep, high-precision drilling in aluminum alloys, copper, thermoplastics, and fiber-reinforced composites across the aerospace, automotive, and plastics industries.
Note:
Use with NC spotting drills (e.g., No. 121068 or 121130) for best process reliability. Forms HB and HE available at the same price.
