8 mm Verified Diameter
The SKU-specific diameter is paired with a verified 35 mm cutting edge and 70 mm overall length.


Royce Ayr D158.080L is a 8 mm left-hand solid-carbide V-point thru-hole drill with 35 mm cutting edge, 27 mm b1, 10 × 27 mm shank platform, Z2 geometry and 70 mm OAL.
Left Hand-hand solid-carbide V-point thru-hole drill with a verified 8 mm diameter and 70 mm overall length.
For compatible CNC drill banks, portable boring machines and woodworking drilling systems configured for the required shank platform and rotation.
The Royce Ayr D158.080L is a left-hand solid-carbide V-point thru-hole drill engineered for accurate industrial woodworking drilling.
Royce D158 data supports D158.080L with a 35 mm cutting edge, 27 mm b1, 10 mm shank diameter, Z2 cutting geometry and 70 mm overall length. Archived D158 data confirms the 10 × 27 mm shank platform.
The V-point through-hole geometry is intended to minimize exit chipping in laminates, particleboard, MDF and solid wood. Confirm toolholder fit, rotation, runout, drilling depth, feed rate and spindle speed before production.
Technical Specifications
The SKU-specific diameter is paired with a verified 35 mm cutting edge and 70 mm overall length.
The D158 family combines a 10 mm shank diameter with a 27 mm b1 / shank-platform dimension and 70 mm OAL.
D158.080L is configured for left-hand drilling positions and should be installed only in the corresponding machine station or spindle direction.
Confirm the exact SKU, rotation, drill-bank or adapter interface, toolholding condition, insertion depth, runout, drilling depth, workpiece support, and machine parameters before production.
Royce Ayr D158.080L combines a 8 mm diameter, 35 mm cutting edge, 27 mm b1, left-hand rotation, Z2 geometry and 70 mm overall length.
The solid-carbide D158 platform is intended for accurate through-hole drilling on compatible CNC and portable boring systems.