Description
Acrow BT50 AK4 235 AK Boring Shank Ø39mm, 235mm Carmex Mill Thread Solid Carbide 7 UN w internal coolant bore 45.3mm Designed for UNC (Unified The Haron 63W plastic 3227 12 Acrow B.BSD.HD6.64 – Heavy Duty Insert Holder for BSD64 Fine Boring Heads Designed for UNC (Unified National Coarse) threading ✔ Spring Loaded Mechanism – Gradually compresses to provide controlled drilling