Solid Carbide Micro Drill with Internal Coolant | 4mm Shank

Solid Carbide Micro Drill with Internal Coolant

Micro-diameter solid-carbide drill with internal coolant channels for precision deep-hole drilling and improved chip evacuation.

Key Features

• 4 mm shank for compact CNC and high-speed spindle setups.
• Internal coolant design supports chip evacuation and temperature control in deeper holes.
• Available in multiple diameter and length-to-diameter ratios, including 5×D variants.
• Solid-carbide construction for rigidity and dimensional stability in micro drilling.

Size Selection

Choose the drill diameter and length-to-diameter ratio according to required hole depth, machine rigidity and coolant capability.

Note: Exact diameter, flute length, overall length, coating and grade vary by variant. Confirm the selected specification before ordering.