Fein 33901680390 Structural Steel Core Drill Bit Set 3/4in Weldon / HSS NOVA 50mm

Fein 33901680390 Structural Steel Core Drill Bit Set 3/4in Weldon / HSS NOVA 50mm

The FEIN Structural Steel Core Drill Bit Set 3/4 in Weldon user set of HM and HSS core drill bits in an L-BOXX is a professional-grade core drilling kit engineered for heavy-duty steel construction, fabrication and industrial installation work. Designed for use with magnetic drilling machines, this complete structural steel set combines both HSS and carbide core drill technology to deliver maximum flexibility, productivity and drilling performance in demanding metalworking environments.

Supplied in a robust and organised L-BOXX storage system, this user-focused kit includes high-performance HSS NOVA 50 and HM ULTRA 50 core drill bits with a 50 mm cutting depth, allowing professional users to tackle a wide range of drilling tasks with speed and precision. The HSS NOVA 50 core drills feature tough cutting edges and premium HSS steel with a hardness of 64 HRC for exceptional impact resistance and long service life, while the HM ULTRA 50 carbide core drills provide excellent cutting performance and extended durability in all metals thanks to high-quality carbide cutting teeth with a hardness of approximately 1450 HV.

With a standard 3/4 in Weldon fitting, this structural steel core drill set ensures secure tool engagement, stable torque transfer and compatibility with a wide range of FEIN and industry-standard magnetic drilling machines. The inclusion of centring pins, cutting paste and an organised L-BOXX 136 case makes this an ideal all-in-one solution for professional steelworkers, fabricators and maintenance engineers seeking efficient, reliable and jobsite-ready core drilling performance.

Features

• Professional structural steel core drill bit set for industrial metal drilling
• Includes both HSS NOVA 50 and HM ULTRA 50 core drill bits
• 50 mm cutting depth for versatile steel and metal drilling applications
• HSS NOVA 50 bits with 64 HRC hardness for high durability and shock resistance
• HM ULTRA 50 carbide cutting teeth with approx. 1450 HV hardness for maximum cutting performance
• 3/4 in Weldon shank for secure fitment and efficient torque transfer
• Organised L-BOXX system for tidy, safe storage and easy transport
• Includes centring pins and cutting paste for accurate drilling setup
• Designed for heavy-duty steel construction and installation work
• Compatible with a wide range of FEIN magnetic drilling machines