Mild Steel
50/63 mm Bull Cutter For Die And Mould Facing Cutter Suitable For RDMT1204MO HITACHI brand
The size indicated on the collet is the largest it can hold
from Smallest 8 mm to 40 mm are commonly available
Center & edge finder set sizes as under " Edge finder set - 8 pcs set - in a pouch packing 1
SPMG060204 TB40G Carbide Drilling Insert For Indexable U Drill Black Pack Of 10 edg finder spring Mild SteelThis multi grade is used for all kinds of materials. SPMG060204 suitable to 15. 5MM, 16MM, 16. 5MM, 17MM, 17. 5MM, 18MM, 18. 5MM, 19MM, 19. 5MM, 20MM, 20. 5MM, 21MM, 21. 5MM u drills LD 2, 3, 4, 5 Cutting speed Vc 150 220 m min, feed 0. 05 0. 12. This is for the general purpose; you need to make a hit and trial suitable for your material.