TECHNICAL FEATURES:
• Chrome coated.
• Hexagonal shank.
551-HS1
For Bi-Metal PLUS hole saws Ø16-30mm (5/8” - 1-3/16”).
Hexagonal shank for 10mm (25/64”) chuck, HSS center drill, total length 160mm (6-5/16”).
551-HS2
For Bi-Metal PLUS hole saws Ø32 (1-1/4”) and above.
Hexagonal shank for 13mm (1/2”) chuck, HSS center drill, total length 160mm (6-5/16”).