Koopi 4 1/4 inch Hole Saw with Arbor, HSS Bi-Metal 4.25 in Hole Cutter for Easily Drilling Wood, Plastic, Thin Metal

Koopi 4 1/4 inch Hole Saw with Arbor, HSS Bi-Metal 4.25 in Hole Cutter for Easily Drilling Wood, Plastic, Thin Metal

This 4 1/4 inch Hole Saw Drill Bit is designed for wood / plastic / thin metal cutting. Non-binding clean edge design make the hole saw blade cuts smooth and fast.More than that,the spring on the drill bit is nice because it automatically pushes the disc out of the saw immediately after completing the hole. It is made of M42 BI-Metal and High Speed steel, Durable and cuts clear Dimension: Diameter- 4.25 in (108mm); Cutting Depth- 1.2 in (30mm); Arbor shank diamater- 3/8 in,fit all 3/8" or 1/2" drills. Pakage Include: 1 x 4-1/4" hole saw; 1 x arbor; 1 x replacement pilot drill bit; 1 x hex key 4 1/4" Bi-Metal Wood Hole Saws, Cutting for Wood Plastic, thin Metal, Fiberboard, Plywood, Drywall

★ Features:
- Cutting diameter: 108 mm/4.25 inches
- High performance material: M42 Bi-metal and High Speed Steel
- Unique teeth configuration for fast removal of cutting materials.
- Fit all 3/8" and 1/2" power drills.

★ Package Included:
- 1 pc 4-1/4 inches hole saw
- 1 pc 3/8" Hole saw Mandrel
- 2 pcs Pilot drill bit
- 1 pc Hex key

★12 MOUTHS GUARANTEE
- With our unbeatable 12 months warranty and 30 day 100% Satisfaction Guarantee, buy with confidence! We attach great importance to customer's shopping satisfaction and are willing to solve any problems you have, please feel free to contact us by email.

★NOTES:
- Before using the hole saw tool, be sure to grasp the rationality, selection, control, tachometer and continuously add coolant when cutting metal to prevent edge cracking
- It is OK for drilling as clockwise rotation, but not anti-clockwise.
- The spring on the pilot drill bit helps remove disc, but if you need to cut a thicker board, pls remove the spring