5.1 mm Verified Special Size
D105.051R retains its exact 5.1 mm diameter, 70 mm OAL and right hand direction without importing unsupported dimensions.


Royce Ayr D105.051R is a 5.1 mm right-hand industrial woodworking drilling tool. Its verified 70 mm overall length and SKU-specific geometry are retained exactly for compatible CNC and production boring systems.
Right Hand-hand industrial drilling configuration with a verified 5.1 mm diameter and 70 mm overall length.
For compatible CNC drill banks, CNC boring systems, and woodworking drilling equipment configured for right-hand tooling and the required machine interface.
The Royce Ayr D105.051R is a right-hand industrial woodworking drilling tool engineered for accurate production boring. Its verified 5.1 mm diameter and 70 mm overall length are carried directly from the product identity.
The exact catalog identity verifies 5.1 mm diameter, 70 mm overall length, right-hand rotation and brad-point geometry. Royce Ayr publishes D105 as an industrial carbide dowel-drill family using the 10 × 20 mm platform, but this exact special size is not listed in the current standard dimensional table. No unsupported CE, b1 or Z value is added.
Before production, confirm right-hand rotation, toolholder compatibility, insertion depth, runout, drilling depth, secure workpiece support, and suitable spindle/feed parameters for the material being machined.
Technical Specifications
D105.051R retains its exact 5.1 mm diameter, 70 mm OAL and right hand direction without importing unsupported dimensions.
The SKU-specific overall length and geometry are retained without importing unsupported dimensions from adjacent Royce drill families.
D105.051R is configured for right-hand boring positions and should be installed only in the corresponding machine station or spindle direction.
Verify that the boring head, spindle, chuck, or adapter is intended for right-hand tooling. Confirm clean toolholding, minimal runout, correct insertion, appropriate drilling depth, secure workpiece support, and suitable spindle/feed parameters before production. Do not borrow CE, b1 or Z values from adjacent standard sizes for this special SKU.
Royce Ayr D105.051R combines a verified 5.1 mm diameter, right-hand rotation, brad-point geometry and 70 mm overall length in the D105 family.
It is intended for accurate industrial woodworking drilling on compatible CNC drill banks, boring equipment, and production systems.