CMT 812.621.11 Straight Bit Long Series 12mm S=1/2" All Thread Rod Zinc Plated The CMT 551-057X is a

The CMT 551-057X is a 2-1/4" (57mm) Bi-Metal Plus Hole Saw (Series 551X) with XTREME FAST Push&Lock system

Total Length (L) 2-3/8"

Diameter (D) 1-7/8"

Nominal Post Size: Rough 8x8

which is a weaker and less reliable fastening method

CMT 812.621.11 Straight Bit Long Series 12mm S=1/2" All Thread Rod Zinc Plated The CMT 551-057X is aThe CMT 812. 621. 11 is a Straight Bit Long Series. Long series straight bits for deeper cuts. CMT Industrial Chrome Carbide with SinterHIP processing for superior wear resistance. SPECIFICATIONS Diameter (D) 12mm Cutting Height (I) 1 1 2" Total Length (L) 3 3 4" Shank (S) 1 2" Number of Teeth 2 Product Type Straight Bit Long Series Shank 1 2" Blade Material Carbide Tipped (TCT) Rotation Right hand (RH) Country of Origin Made in Italy COMPATIBLE