Norseman Drill Bits 44170 Ultra Dex Type 240-UB 135° Split Point – 29-Piece Magnum Jobber Set

Premium performance for demanding drilling tasks

Meet Norseman Drill Bits 44170 Ultra Dex Type 240-UB, a 29-piece set crafted for consistent, high-quality holes in metalworking and workshop projects. These bits blend precision-ground geometry with a durable finish to stand up to tough tasks, while maintaining tight tolerances that serious technicians expect.

Key features

• 29-piece Ultra Dex set in premium high-speed steel
• 1/16 to 1/2 inch by 64ths, offering broad coverage for common sizes
• 135-degree split point for self-centering entry and reduced wandering
• Precision ground point, flutes, body, clearance and drill diameter for maximum accuracy
• Hi-Molybdenum tool steel with a gold oxide finish for wear resistance

Quality and manufacturing approach

Designed to NAS 907B standards, these bits reflect rigorous material selection and tight tolerances. The combination of advanced tool steel and meticulous grinding yields consistent diameter and performance across the set, helping to deliver dependable results project after project.

Real-world use cases

• Drilling through steel, alloys, and other metals in fabrication and maintenance tasks
• DIY projects, cabinetry, and hobby metalworking where clean holes matter
• Hardware installation and electronics enclosures that benefit from precise pilot holes

Benefits you can expect

• Durable construction with a gold oxide finish for longer wear life
• Consistent tolerances that reduce variance across holes
• Wide size range ready for many common applications

Bottom line

For workshops seeking reliable, precision tooling, the Norseman 44170 Ultra Dex 29-piece set offers a balanced combination of durability, accuracy, and value. It is designed to perform across a spectrum of drilling tasks while maintaining confidence in every hole.