Taper shank twist drill bits:
1)Diamension: D5-D50mm.
2)Material: 4241, 4341, 9341, 6542(M2)
3)Surface treatment: White & black
4)Main standard: DIN 345, DIN 1410
5)Min order amount: USD3000.
6)Packing: Different packings per cusotmers' requirements
7)Marks or Logo: Per customers' requirements