Kennametal 4112584 Carbide Jobber Drill 3.50mm Tialn

Product Description

The KENNAMETAL 4112584 is a solid carbide jobber-length drill bit designed for precision hole-making in steel and other ferrous materials. It measures 3.50 mm (0.1378 inches) in diameter with a 135-degree split-point angle that reduces walking and improves entry accuracy on flat or curved surfaces. The multilayer TiAlN coating extends tool life under high-heat cutting conditions. Overall length is 66.00 mm (2.5984 inches). The straight cylindrical shank measures 6 mm (0.2344 inches) in diameter. This drill is installed and used by machinists, tool-and-die professionals, and precision fabricators working on CNC or manual drilling equipment.

This jobber drill is suited for production drilling in steel and similar primary workpiece materials where tight tolerances and consistent hole quality are required. The coolant-through design supports internal coolant delivery, keeping cutting temperatures low during deep or high-feed drilling operations. With a flute-to-diameter ratio of 5xD and a maximum drilling depth of 23.00 mm (1.8750 inches), it is appropriate for through-hole and blind-hole applications in general machining environments. The 2-flute regular spiral geometry promotes efficient chip evacuation in steel.

Key Features

• Solid carbide construction with multilayer TiAlN coating for extended tool life in steel cutting
• 135-degree standard point angle reduces drill walk and improves hole entry accuracy
• Coolant-through capability supports internal coolant delivery for thermal management
• Right-hand cutting with regular spiral flute geometry for efficient chip evacuation
• Straight cylindrical shank compatible with standard drill chucks and collet holders
• Manufactured to DIN 6537K specification for consistent dimensional accuracy

Compatibility

Designed as a DIN 6537K-specification solid carbide jobber drill for use in CNC machining centers, drill presses, and manual machines equipped with standard straight-shank toolholders or collet chucks accepting a 6 mm shank diameter.

Installation Notes

Installation is performed by qualified machinists. Secure the straight shank fully in a collet, drill chuck, or toolholder before operation and verify runout is within acceptable limits for the application. Always power down or e-stop the machine spindle before changing or adjusting tooling. When using the coolant-through feature, confirm the machine spindle and toolholder assembly supports internal coolant delivery before activating coolant flow.