B16+13mm drill chuck arbor B16 adapter motor shaft connecting rod with inner hole 8mm 9 10 11 12mm 13 14 15 16 17 18 19 20mm B16+13mm drill chuck arbor B16 adapter motor shaft connecting rod with inner hole 8mm 9 10 11 12mm 13 14 15 16 17 18 19 20mm. Sale price : $7.64 Category : Tools