Entry boards

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We offer the largest range of PCB drilling entry materials for all applications and requirements from large to small holes and from single sided to high layer count ML PCBs with small vias.

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Material	Thickness (mm)	Description	Benefits	PDF
Allltech Aludrill	0.15 – 0.24	Aluminium sheets or panels, degreased, special plan	Dissipates heat Decreases drill temperature Can be recycled Hard surface – diminishes burr height
Alltech Phenodrill	0.30 / 0.50 / 0.75	Brown Phenolic paper	Can be used for both drilling and routing Hard surface – reduced burr height Good for drilling soft materials
Alltech Phenodrill-M	0.30 / 0.50 / 0.75	Phenolic paper core with white Melamine coating on both sides	Can be used for both drilling and routing Hard surface – reduced burr height Good for drilling soft materials
Entry EO+	0.305	It is a LCOA proprietary non abrasive Cellulose core laminated on both sides with a 0.05 mm Aluminium foil	Reduces temperature and creates perfect bushing effect for accurate registration and prolonged drill life Reduces drill breakage on small diameters 0.3mm Consistently hight quality hole walls Higher chip loads/SFM capabilities Decreased amount of debris in hole Excellent flatness characteristics for automated Load/Un-load drilling systems Recycled as aluminium
Entry Bullseye	0.22	Bullseye is a unique, innovative entry material that offers the user the best possible accuracy on a full range of diameters used in PCB manufacturing.	Maintain hole location from stack entry through exit Holds the drills immediately upon contact Creates a perfect bushing Minimizing deflection