BDS Combi Tool Set, 8 pcs. Neat, solid steel box equipped with twist drills, taps and countersinks for making threaded holes from M8 to M16 1 Twist drill DIN 338, 6.8 mm 1 Twist drill DIN 338, 8.5 mm 1 Twist drill DIN 338, 10.2 mm 1 Machine tap each DIN 371, M8 DIN 376, M10, M12, M16 1 Countersink DIN 335 Form C 90 20.5 mm