5/8 in Verified Special Size
D150.158L retains the exact 5/8 in diameter, 70 mm OAL and left hand direction without importing unsupported dimensions.


Royce Ayr D150.158L is a verified 5/8 in left-hand V-point thru-hole drill in the D150 carbide-tipped family with 70 mm overall length.
Left Hand-hand carbide-tipped V-point thru-hole drill with a verified 5/8 in 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 D150.158L is a left-hand carbide-tipped V-point thru-hole drill engineered for accurate industrial woodworking drilling.
The exact Magento product identity verifies 5/8 in diameter, left-hand rotation, V-point geometry and 70 mm overall length. Published D150 data supports the carbide-tipped 10 × 20 mm / 70 mm family platform, but this exact special size is not in the standard table.
No unsupported cutting-edge, b1 or flute-count value is assigned to this special SKU. Confirm the exact machine interface, drilling depth, rotation, runout, feed and spindle speed before production.
Technical Specifications
D150.158L retains the exact 5/8 in diameter, 70 mm OAL and left hand direction without importing unsupported dimensions.
Published D150 data supports the carbide-tipped 10 × 20 mm / 70 mm family platform.
D150.158L 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. Do not borrow CE, b1 or Z values from adjacent standard D150 sizes.
Royce Ayr D150.158L combines a verified 5/8 in diameter, left-hand rotation and 70 mm overall length with the D150 carbide-tipped V-point thru-drill platform.
Correct toolholder fit, rotation, runout control, workpiece support and drilling parameters are essential to clean through-hole performance.