SJ62521 – 21mm 60° Countersink Burr, 6mm Shank Single Cut for Steel & Cast IronThe 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

Metric:        0

T is stepped for working on the edge of a job

11 T3 Inserts

and the 62mm overall length gives you reach without sacrificing rigidity

Tape length 5

Australian Stock ER16 collet set

●Glass-reinforced plastic

Non hardened and ground finish

SH-grade carbide delivers exceptional rigidity and wear resistance

1 x bent nose internal

Application: Adapts boring bars

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