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🪚 Bi Metal Drilling Bit for Plastic Plywood Review

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Average

Revainrating 3.5 out of 5  
Rating 
3.3
🪚 Hole Saws & Accessories, 🔪 Cutting Tools

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Description of 🪚 Bi Metal Drilling Bit for Plastic Plywood

【Sturdy body construction】-- The thicker wall of the 4.25 inch hole saw is made of M42 High Speed Steel and BI-Metal, improves durability and minimizes tooth loss. 【Fast & Clean Cutting】 -- Variable Tooth Design and High quality material enhances hole cutter performance - Cuts precise 4.25 in holes smoothly in drywall, ceiling tile steel, wood, plastic, stainless steel and mild steel, metal, aluminum. 【Come with Arbor】 -- The 4-1/4 hole saw comes with a heavy duty 7/16” hex shank quick change locking-pin mandrel and a BONUS replacement pilot drill bit, a hex key. The hole saw arbor fits all 1/2" chuck drills. 【Deep Cut Style】 -- Cutting depth of 38 mm (1.5"), will cut more material in 1 pass. 【12 MOUTHS GUARANTEE】-- With our unbeatable 12 mouths 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.

Reviews

Global ratings 3
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Type of review

Revainrating 3 out of 5

Cuts holes best at Power Drill Parts & Accessories

This product is supplied disassembled and with no instructions in the box. I have been building for forty years and have used many pavilion tools. But this pavilion was new to me. I spent half an hour figuring out how to assemble it. In the end I had to go to the computer and carefully study the item on the Revain page. Also keep in mind that assembly will likely require split ring pliers. Once assembled, it cuts well through 1" thick pine paneling and 1/2" thick chipboard with just a cordless…

Pros
  • Hole Saws
Cons
  • New Competitors Appeared

Revainrating 3 out of 5

Worn out after drilling 3 holes in plasterboard

I bought this to drill 6 holes in the ceiling to install LED lights. This is a custom built home from the early 70's, so the drywall on the ceiling has a 1/8" to 3/16" thick plaster finish. By the third hole, the teeth are 75% gone and no longer cutting. I had to cut out the remaining three holes with a hole saw - this saw easily cut through the plaster-coated drywall. I'm sure a coat of plaster is more abrasive than regular drywall, but this bit is for cutting metal. I can't imagine this bit…

Pros
  • Hole saws and accessories
Cons
  • No instructions

Revainrating 4 out of 5

Reasonably Priced

I needed a 6 3/8 hole saw to install an exhaust duct through four kitchen cabinets. The Koopi is a heavy machine, heavy being the emphasis, and the one I got seems round and well balanced. Practical experience: I've found that my 20v Dewalt drill is sufficient for this saw, but I wouldn't want to use anything less. The saw is awkward to use, especially up in a closet where keeping the saw parallel to the cutting surface is a problem. Using the drill sleeve to prevent the drill from rotating…

Pros
  • Drill Parts and Accessories
Cons
  • Large and Bulky