The magafor centre drill form W is stronger than common centre drill.
The bulge reinforces the point making it stronger.
it increases the chip removal rate
it makes the lubrication of the drill easier.
Centre drill HSS
Form W 60º
Body diameter 6.3mm
Drill diameter 2.5mm
Magafor, the worlds finest and largest producer of center drills.
Made in France since 1937