35 mm Verified Diameter
The catalog identity and source data support the stated diameter, handedness and overall-length configuration for D180.350L.


Royce Ayr D180.350L is a 35 mm left-hand carbide-tipped hinge boring drill. Its verified 57 mm overall length and SKU-specific geometry support accurate production drilling in compatible woodworking systems.
Left Hand-hand hinge boring drill with a verified 35 mm diameter and 57 mm overall length in the D180 family.
For compatible CNC drilling and woodworking boring systems configured for left-hand tooling and the verified interface requirements of this SKU.
The Royce Ayr D180.350L is a left-hand hinge boring drill engineered for industrial woodworking drilling. Its verified 35 mm cutting diameter and 57 mm overall length support repeatable production boring.
Published or primary-source data for D180.350L confirms a 26 mm b1 dimension, a 10 × 30 mm shank platform and Z2+2 cutting geometry.
Before production, confirm rotation, toolholder or adaptor compatibility, insertion depth, runout, drilling depth, workpiece support, and suitable spindle/feed parameters for the material being machined.
Technical Specifications
The catalog identity and source data support the stated diameter, handedness and overall-length configuration for D180.350L.
The SKU-specific family geometry is retained without importing unsupported dimensions from adjacent drill sizes.
D180.350L is configured for left-hand boring positions and should be installed only in the corresponding machine station or spindle direction.
Verify the exact SKU, rotation, drill-bank or adaptor interface, toolholding condition, insertion depth, runout, drilling depth, workpiece support, and machine parameters before production.
Royce Ayr D180.350L combines a verified 35 mm diameter, left-hand rotation and 57 mm overall length with the verified D180 family geometry stated above.
Correct tool selection, rotation, interface fit, setup, runout control, workpiece support, and machine parameters are essential to the intended drilling performance.