Best Koopi in 2026

This 6" Hole Saw drill bit is designed for cutting circle holes in corn hole boards, wood, plastic, thin metal

Non-binding clean edge design make the hole saw blade cuts smooth and fast.

This cornhole saw is made of M42 BI-Metal and High Speed steel, Durable and cuts clear

【Sturdy body construction】-- The thicker wall of the 1-1/8 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 1-1/8in holes smoothly in drywall, ceiling tile steel, wood, plastic, stainless steel and mild steel, metal, aluminum

【Come with Arbor】 -- The 3" hole saw comes with a heavy duty 3/8” 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" or 3/8" chuck drills.

【Sturdy body construction】-- The thicker wall of the 4 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 4in holes smoothly in drywall, ceiling tile steel, wood, plastic, stainless steel and mild steel, metal, aluminum

【Come with Arbor】 -- The 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.

This 2" Hole Saw Drill Bit is designed for wood / plastic cutting.

Dimension: Diameter-2 in(51mm); Cutting Depth- 1 in(25mm); Arbor shank diamater- 3/8 in (fit for all 1/2"&3/8" drill)

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.

This 3 1/2" Hole Saw Drill Bit is designed for wood / plastic / soft metal cutting.

Non-binding clean edge design make the 3.5" 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.

This 3-1/2 inch hole cutter is made of BI-Metal and High Speed steel, Durable and cuts clear

This 1" Hole Saw Drill Bit is designed for wood / plastic / metal sheet cutting.

Dimension: Diameter-1 in(25mm); Cutting Depth- 1.2 in(30mm); Arbor shank diamater- 3/8 in

The thicker wall of the 2 inch hole saw is made of M42 High Speed Steel and BI-Metal, improves durability and minimizes tooth loss

This 1" Hole Saw Drill Bit is designed for wood / plastic cutting.

Dimension: Diameter-1 in(25mm); Cutting Depth- 1 in(25mm); Arbor shank diamater- 3/8 in (fit for all 1/2"&3/8" drill)

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.

【Sturdy body construction】-- The thicker wall of the 2 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 2in holes smoothly in drywall, ceiling tile steel, wood, plastic, stainless steel and mild steel, metal, aluminum

【Come with Arbor】 -- The 2" 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.

Superior Performance: TKO carbide tipped hole cutters provide the most precise and clean hole saw and knockout replacement in the industry with increased durability and long life in sheet metal or stainless steel

Precise Design: The hole saw cutter has ground carbide teeth made from high quality HSS producing clean, burr-free holes. The carbide cutter includes a built-in flange to prevent overdrilling

Smooth Cutting: The innovative design includes a SmoothStart pilot drill which guides the cutter to the surface, avoiding damage to the cutter and ensuring smoothly cut holes with minimal walking

2X more durable with 50% longer life than previous LENOX hole saws

Increased wall thickness improves durability and minimizes tooth loss

Optimized tooth design penetrates metal with ease

2X more durable with 50% longer life than previous LENOX hole saws

Increased wall thickness improves durability and minimizes tooth loss

Optimized tooth design penetrates metal with ease

2X more durable with 50% longer life than previous LENOX hole saws

Increased wall thickness improves durability and minimizes tooth loss

Optimized tooth design penetrates metal with ease

Heavy duty, durable carbide hole cutters for long life

Hole Cutters cut quick precise holes in stainless steel, mild steel, iron, copper and brass sheet up to 3/16-Inch (0.5 cm) thick

Split point pilot drill bit prevents bit walking

Hardened carbon steel for strength

Fits 1L and 4L solid-hex arbors and 2L hollow-hex arbors

1/4-inch chuck size

Pilot drill bit for EZARC thin-metal cutting carbide hole cutter series

Stepped tip design to protect hole cutter teeth by reducing the teeth impact

High quality HSS material guarantees long life on metal drilling

Cuts quick, precise holes in stainless steel, mild steel, iron, copper and brass sheet up to 3/16-Inch (5 mm) thick

Split point pilot drill bit prevents bit walking

Integrated flange prevents the operator from drilling beyond the sheet metal

Used for Hole Saws 1-1/4-Inch to 6-Inch

Hardened Carbon Steel Construction for Strength

Split Point Pilot Drill for Faster Penetration and Less Walking

Hardened carbon steel for strength

Drill bit is compatible with 2L, 5L and 6L SNAP-BACK arbors

Fits 2L, 3L, 5L, 6L and 7L solid-hex arbors

3L T2 ARBOR 3.25 DRILL 1/

3L T2 ARBOR 3.25 DRILL 1/

3L T2 ARBOR 3.25 DRILL 1/

Bright finish: Classic M2 High Speed Steel construction with Bright Finish for proven capability and durability.

Strength & Hardness: Made with HSS M2 steel, Rock wall Hardness Level HRC 62-63.

Package & Size: 12 Pieces in a plastic bag, Diameter 5/16 inch, Total length 4 inch, Working length 2-3/4 inch.

Includes Factory Warranty

Imported

Hardened carbon steel for strength

Extension is compatible with 2L SNAP-BACK arbors

Fits 1L, 2L and 3L solid-hex arbors and 2L hollow-hex arbors

Package Contains: 1 x 8 1/4 Inch Hole Saw, 1 x Hole Saw Arbor, 3 x Drill Bit, 1 x Allen Wrench. This Hole Saw Drill Bit is designed for wood / plastic cutting.

High-Performance Materials: Hole saws made of M42 high-speed steel and BI metal, with higher hardness (≥65HRC), higher toughness, higher cutting strength and stronger wear resistance.

Efficient & Smooth Cutting: High-quality bi-metal band and the best cutting performance of HSS teeth combines with Non-binding clean edge design ensures smooth and clean cutting of the hole saw blade.

Package Includes: 1 x 7/16" hole saw arbor, 1 x 1/10" L hex wrench, 1 x 1/6" L hex wrench, 3 x 6mm drill bit

High-Performance Material: The 7 / 16-inch shank hole saw arbor adapter is made of high-quality alloy steel material to ensure heavy load and ultra-fast connection speed

Wide Range of Applications: The hole cutter shaft can be connected to 1.4" to 15.7" hole saw, excellent function, because the hexagonal shank cutter bar on the market can only connect large holes from 1-1 / 4 inch to 6-3 / 8 inch saw

【Top Quality】Made from high quality TCT Carbide( Tungsten Carbide Tipped Cutters), High-grade Titanium-plated cemented carbide Tooth, ensuring its high hardness, rust proof, sturdy and durable；

【Size】Cutting diameter：16mm (5/8")，19mm(3/4"), 22mm(7/8"), 25.5mm(1"),29mm(1-1/8"), 32mm(1-1/4"), 35mm(1-3/8"), 45mm(1-3/4"), 51mm(2"), 54mm(2-1/8"), Cutting Length: 25mm(1Inch), Shank Dia.: 10mm(2/5 Inch) , perfect for drilling Hard Metal;

【Unique Three-blade Design】 This TCT hole Saw teeth designed with Three-blade, Include outer blade, middle blade, and inner blade, making it sharper and more efficient, ideal for cutting hard metals;

Each Tile Hole Saw with a Removable Center Pilot Drill Bit - No Special Guiding Tools Needed

Diamond Hole Saw 1 Inch with Triple-Layer Diamond Coating for Enhanced Performance

Cutting Depth: 1 1/2 inch - Increasing Hole Saw Body Height for Deeper Cuts

Snap lock mandrel system for a quick and easy change with no down time

3/8" Diablo hole saw mandrel quick change with pilot

Country Of Origin: United States

🧰【19Pcs Hole Saw Kit】Made of high quality heat-treated carbon steel with black oxide finish, rust and wear resistant, long life, very easy to assemble with drill bits (compatible with most brands of drill bits) for faster, cleaner cuts.

🧰【Efficient Cutting】: Unique tooth design makes the hole more precise and smooth, carbon steel teeth provide fast and clean cutting. High precision and good impact and wear resistance. Designed with circular spiral chip removal grooves to remove chips in all directions.

🧰【Wide Application】 Hole saw set suitable for softwood, plywood, plastic board, gypsum board and thin PVC board, it can meet the difficult task of cutting multiple hole sizes from small to large for different applications such as table tops, doors and furniture. But not for metal and hardwood, perfect for home DIY.