4.9 mm Verified Special Size
D105.049L retains its exact 4.9 mm diameter, 70 mm OAL and left hand direction without importing unsupported dimensions.


Royce Ayr D105.049L is a 4.9 mm left-hand carbide-family brad-point dowel drill with a verified 70 mm overall length.
Left Hand-hand industrial drilling configuration with a verified 4.9 mm diameter and 70 mm overall length.
For compatible CNC drill banks, CNC boring systems, and woodworking drilling equipment configured for left-hand tooling and the required machine interface.
The Royce Ayr D105.049L is a left-hand industrial woodworking drilling tool engineered for accurate production boring. Its verified 4.9 mm diameter and 70 mm overall length are retained directly from published or exact catalog data.
The exact Magento/Titan product identity verifies 4.9 mm diameter, 70 mm overall length, left-hand rotation and brad-point geometry. Royce Ayr publishes D105 as an industrial carbide-tipped dowel-drill family using a 10 × 20 mm platform, but this special size is not listed in the current standard dimensional table. No unsupported cutting-edge, b1 or flute-count value is stated.
Before production, confirm left-hand rotation, toolholder compatibility, insertion depth, runout, drilling depth, secure workpiece support, and suitable spindle/feed parameters for the material being machined.
Technical Specifications
D105.049L retains its exact 4.9 mm diameter, 70 mm OAL and left hand direction without importing unsupported dimensions.
The SKU-specific overall length and geometry are retained without importing unsupported dimensions from adjacent Royce drill families.
D105.049L is configured for left-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 left-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 D105 sizes; those specifications are intentionally not assigned to this special SKU.
Royce Ayr D105.049L combines a verified 4.9 mm diameter, left-hand rotation, brad-point geometry and 70 mm overall length in the D105 carbide-tipped family.
It is intended for accurate industrial woodworking drilling on compatible CNC drill banks, boring equipment, and production systems.