3/16 in Verified Special Size
D100.047L retains its exact 3/16 in diameter, 57 mm OAL and left hand direction without importing unsupported dimensions.


Royce Ayr D100.047L is a 3/16 in left-hand carbide-tipped brad-point dowel drill. Its verified 57 mm overall length supports accurate production drilling in compatible woodworking systems.
Left Hand-hand drilling tool with a verified 3/16 in diameter and 57 mm overall length in the Royce Ayr D100 family.
For compatible CNC drill banks, CNC boring systems, and woodworking drilling equipment configured for the required D100 shank platform and left-hand rotation.
The Royce Ayr D100.047L is a left-hand brad-point dowel drill engineered for production woodworking boring. Its verified 3/16 in cutting diameter and 57 mm overall length support accurate machining in compatible CNC and portable boring systems.
The exact Magento/Titan catalog identity verifies 3/16 in diameter, 57 mm overall length, left-hand rotation and brad-point geometry. Published Royce family data supports the D100 carbide-tipped 10 × 20 mm platform, but this exact special size is not present in the published standard table. No unsupported CE, b1 or flute-count value is stated.
Carbide-tipped / HW construction supports long service life in production drilling. Before production, confirm left-hand rotation, toolholder compatibility, insertion depth, runout, drilling depth, secure workpiece support, and suitable spindle/feed parameters.
Technical Specifications
D100.047L retains its exact 3/16 in diameter, 57 mm OAL and left hand direction without importing unsupported dimensions.
The SKU-specific overall length and family geometry are retained without importing unsupported dimensions from adjacent Royce drill sizes.
D100.047L 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 accepts the required family shank and 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 D100 sizes.
Royce Ayr D100.047L combines a verified 3/16 in diameter, left-hand rotation, brad-point geometry and 57 mm overall length in the D100 carbide-tipped family.
It is intended for accurate industrial woodworking drilling on compatible CNC drill banks, boring equipment, and production systems.