Drill bit trepanation Glob HSS 14 x 50 mm, length 50 mm, model GLOB-WT14L

Drill bit trepanation Glob HSS 14 x 50 mm, length 50 mm, model GLOB-WT14L is a trepanation-style cutter designed for creating precise circular holes and removing cores. Manufactured from high-speed steel (HSS), the bit delivers consistent cutting performance on metal and a range of other materials in workshop and repair environments. The 14 mm working diameter and 50 mm overall length make it suitable for medium-duty hole cutting where controlled depth and clean hole edges are required.

Advantages

The HSS construction provides good hardness and heat resistance for prolonged cutting operations. The trepanation geometry allows efficient core removal while minimizing material waste and reducing load on the drill. A compact overall length improves control and stability during drilling, and the defined working diameter ensures uniform hole size for repeatable results. The tool is compatible with common drill chucks and can be used in handheld drills or machine-mounted setups where the shank fits.

Suitable for

• Cutting precise circular holes in metal sheets and plates
• Removing cores and producing clean bores in repair work
• Workshop drilling tasks requiring repeatable 14 mm holes
• Light to medium metalworking and fabrication jobs

Key specifications

• Working diameter: 14 mm
• Total length: 50 mm
• Material: High-speed steel (HSS)
• Tool type: Trepanation / annular cutter style drill bit
• Designed for cutting metal and various other solid materials

How to use

Secure the workpiece to prevent movement and mark the hole center before starting. Fit the trepanation bit into a compatible chuck or arbor and ensure it is clamped firmly. Start drilling at low speed to establish the cut, applying steady axial pressure and coolant or cutting lubricant when working on metals to reduce heat build-up. Once the cut is established, maintain consistent feed and speed appropriate for HSS tools until the required depth is reached, then retract the bit to remove the core and clear chips as needed.

Usage recommendations

Use cutting fluid for prolonged life and better finish when drilling metals. Avoid excessive speeds to prevent premature tool wear; moderate RPM and steady feed yield the best results with HSS trepanation bits. Inspect the bit regularly for wear or chipping and replace when edges become dull to preserve hole quality.