SJ62521 – 21mm 60° Countersink Burr, 6mm Shank Single Cut for Steel & Cast Iron Level with magnet While quality may vary between

While quality may vary between batches

would be suitable as a half decent spare set or similar

13mm Keyless Chuck for quick bit changes

such as stainless steel and tool steels but it can also be used on some high tensile aluminum and bronze alloys

including Vernier Calipers

SJ62521 – 21mm 60° Countersink Burr, 6mm Shank Single Cut for Steel & Cast Iron Level with magnet While quality may vary betweenThe SJ62521 is a 60 countersink carbide burr with a 21mm head and 6mm shank, built for chamfering, deburring, and countersinking in heavy duty materials. The single cut fluting delivers smooth control and a clean finishideal for prepping holes, breaking edges, or cleaning up after drilling in steel, stainless, and cast iron. Whether you're chasing a clean seat for a fastener or knocking off a burr that doesnt belong, this burr gives you precision