The Best Square Hole Drill Bit of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Square Hole Drill Bit of 2022. Check our ranking below.
2,752 Reviews Scanned
Rank No. #1
Devvicoo 6PCS Square Hole Drill Bit Set for Mortise and Tenon Machine (Not Handheld), Bearing Steel Mortiser Bits - 5/8", 9/16", 1/2", 3/8", 5/16", 1/4"
- Mortiser Machine Compatibility: Designed exclusively for mortising machines drill presses. Not compatible with handheld drills, ensures clean, splinter-free square holes in hardwoods, MDF, and particle boards.
- Important for Square Bits: Always power off/unplug equipment before changing bits, select the correct size, and handle carefully to avoid damage.
- Bearing Steel Construction: Forged from 56HRC high-hardness bearing steel with heat-treated edges. Optimized for durable drilling in dense materials and extended tool life.
- U-Flute Debris Clearance: U-shaped flute channels rapidly eject wood debris, reduce friction, and prevent overheating during heavy-duty construction tasks.
- 6-Size Versatility: Covers furniture joints to cabinetry with six precision sizes (5/8", 9/16", 1/2", 3/8", 5/16", 1/4"). Suited for tenon cutters and woodworking jigs.
SaleRank No. #2
Square Hole Drill Bit, Steel Hardness Sharp Mortising Chisel Set 1/2-Inch, 1/4-Inch, 3/4inch, 3/8-Inch, 5/8-Inch, 5/16-Inch, 9/16-Inch Woodworking Mortiser Drill Bit-7pcs
- 【Sharp】-These square hole drill bits made of bearing steel, hardness 56HRC, lengthened core, sharp cutting edge, continuous blade, quick cuttings, high efficiency. Note: If for drill press to use, must have a mortising attachment (Not Included).
- 【Easy to use】Our woodworking morstising chisel bits set Only use for the opening square hole and keyhole drill -- Square hole drill can not be used on an electric drill, bench drill, drill square holes need to fit a square hole drill drilling (mortise and tenon machine) to use.
- 【Very cost-effective】-- Mortise and tenon square hole drilled by SaferCCTV + outer sleeve in the middle of the combination Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industrie
- 【Different Size】Drills precise holes with little pressure -- Using different specifications of the square hole drill, matching the appropriate power of the square hole machine, you can play a square hole to meet the requirements - 1/2-Inch(12.7mm), 1/4-Inch(6mm), 3/4inch(19mm), 3/8-Inch(9.5mm) , 5/8-Inch(16mm), 5/16-Inch(8mm), 9/16-Inch(14mm).
- 【After- sale Service】Unique service can make you rest assured to buy--(1)Warranty 14 months,a warranty system, to provide repair parts. (2) Professional sellers, and professional guidance, have more tool accessories to choose. (3)Provide professional use tutorials. Please feel free to contact us if you have any question.
SaleRank No. #3
WSOOX Square Hole Drill Bits for Wood, Woodworking Hole Saw Mortising Chisel Drill Bits (Size: 1/4 inch, 5/16 inch, 3/8 inch, 1/2 inch)
- 🚩【Purchase Notes】The square hole drill bits need to be used in conjunction with the mortise machine. These drill bits not usable with a hand held drill. If you want to use these drill bits on drill press, you need accessories to connect to a drill press.
- 🔨【Drill Bits Sizes】Drill bits diameters: 1/4 Inch (6.4mm), 5/16 Inch (8mm), 3/8 Inch (9.5mm), 1/2 Inch (12.7mm).
- 🔨【Easy to Drill】The carbide drill bit tipped is sharp and wear-resistant. With high hardness and long service life. The drill sleeve has a U-shaped design to facilitate the discharge of wood chips and improve the drilling efficiency.
- 🔨【Widely Applications】This square hole drill bit is suitable for wood, including MDF, MDF, particle board, channel wood, pine wood, basswood, etc. Note: It is not suitable for processing metal, glass, plastic, concrete, gypsum board etc.
- 🔨【After-sale Service】WSOOX tools store provide customers with quality but affordable tools. If you have any problem with these square hole drill bits, please contact us feel free and we will reply you within 24h.
Rank No. #4
UwinVwin Square Hole Drill Bit Adapter with 4pcs Square Hole Drill Bit, Mortising Attachment for Drill Press, Mortise Machine, Power Tool Accessory for Drill Machines
- 【Square drill bit adapter】Fit for benchtop drill machine with hand drill clip diameters between 38 and 55mm (1.5 and 2.2 inches).
- 【Please Note】This adapter is not suitable for lithium battery drills and bench drills without round bore bearings. Suitable for old table drills and household table drills, please pay attention before ordering.
- 【Material】Square drill bit adapter is made of all-steel castings, which are strong and durable. If stored in a humid environment for a long time, it may cause some surface rust, which can be improved by simply wiping some protective oil.
- 【Drill bit diameter】1/4 Inch (6.4mm), 5/16 Inch (8mm), 3/8 Inch (9.5mm), 1/2 Inch (12.7mm).
- 【Easy to Drill】The carbide drill bit tipped is sharp and wear-resistant. With high hardness and long service life. The drill sleeve has a U-shaped design to facilitate the discharge of wood chips and improve the drilling efficiency.
Rank No. #5
6pcs Square Hole Mortise Chisel Drill Bit Tools, 5/8" 9/16" 1/2" 3/8" 5/16" 1/4" HSS Woodworking Hole Saw Mortising Chisel Drill Bit Set, Different Sizes
- Size of this Square Hole Mortise Chisel Drill Bit set: 1/4 Inch (6.4mm), 5/16 Inch (8mm), 3/8 Inch (9.5mm),1/2 Inch (12.7mm), 5/8 Inch (16mm), 9/16 Inch (14mm)
- Material: Heat treatment, HRC48~50 high-speed steel.
- Suitable for all mortise and drill accessories.
- It can be used with mortise and tenon machine to achieve double effect.
- Reduce the labor intensity of construction workers, accelerate the construction speed, reduce the construction cost of construction, installation, decoration, decoration industry.
Rank No. #6
Square Hole Drill Bit Adapter and Square Hole Drill Bit Set for Wood Mortising Attachment Drill Press Hollow Chisel Mortise Drill Tool for Mortise Machine
- 👷♂️ Mortising Attachment for Drill Press: The adapter is suitable for bench and hand drills which are with a round diameter bearing that can be clamped. The round chuck diameter should be between 1.5'' to 2.2'' and the clamping bearing width should be no less than 0.48".
- 👷♂️Versatile Dual-Use Design: Seamlessly switch between table drills and hand drills. Crafted for woodworking enthusiasts and professionals, furniture making, and other related industries.
- 👷♂️Bench Drill Mortise Accessories：Mortise converter is easy to install and remove, you can quickly install or remove yourself, saving you time and effort.
- 👷♂️Premium Material：Square hole drill fixed bracket is made of all steel casting, sturdy. If you're looking for a versatile and efficient way to quickly install or disassemble drill accessories, then look no further than the Square Hole Drill Bit Adapter! Note: If stored in a humid environment for a long time, it may lead to some surface rusting, which can be improved by simply wiping some protective oil.
- 👷♂️Note：Square hole drill and electric drill are not included in the package.
Rank No. #7
Square Hole Drill Bit Adapter for Easy Installation and Disassembly - Mortising Attachment for Drill Press, Mortise Machine, Power Tool Accessory for Drill Machines
- 【Mortising attachment for drill press】 Square hole drill bit adapter is fit for benchtop drill presses and hand drill clamp diameter ranging between 38 to 55mm/1.5 to 2.2inch, allowing for effortless installation and use. Your ultimate solution for enhancing the versatility of your table drill and hand drill. (pls kindly note, it only works benchtop drill presses hand drill that with clamp, not for all )
- 【Dual Use Support Bracket】Square Hole Drill Bit Adapter is for table drill and hand drill. Square Hole Drill Bit Adapter is perfect for woodworking, furniture making, and other related industries.
- 【Bench Drill Mortise Accessories】Mortise converter is easy to install and remove, you can quickly install or remove yourself, saving you time and effort.
- 【Premium Material】Square hole drill fixed bracket is made of all steel casting, sturdy. If you're looking for a versatile and efficient way to quickly install or disassemble drill accessories, then look no further than the Square Hole Drill Bit Adapter! Note: If stored in a humid environment for a long time, it may lead to some surface rusting, which can be improved by simply wiping some protective oil.
- 【Effective and Precise】With its precise design, the adapter ensures accurate and smooth drilling operations. 【Note】Square hole drill and electric drill are not included in the package.
Rank No. #8
uxcell Square Hole Drill Bit, 1/2" High-Carbon Steel Hollow Chisel Mortise Power Tool for Woodworking
- 【SIZE】1/2" (12.7mm) square chisel width, 75mm cutting depth, 205mm total length, 9.7mm shank diameter.
- 【TIP AND EDGE】The best-designed drilling point tip and 4 cutting corners enable fast drilling with small opening resistance, and penetrating into working pieces of wood in precise opening size very smoothly and fast.
- 【MATERIAL】Made of High-carbon steel, through heat processing, with high hardness (48-50 HRC) drill bits, and sharp-edged square chisel, durable and lasts long.
- 【ADVANTAGE】With long drill core and square chisel, easy to lock the hole on the wood, can reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs.
- 【OPERATION】Used with mortise and tenon machine with double effect, and electric drill, hammer and other tools is required for punching square hole in wood. This drill bit cannot be used with a hand drill. If you want to use the drill bit with a drill press, you will need accessories to attach to the drill press.
Rank No. #9
Gisafai Square Hole Drill Bit Adapter and Square Hole Drill Bit Set for Wood Mortising Attachment Drill Press Hollow Chisel Mortise Drill Tool for Mortise Machine (6 Pcs,1/4, 5/16, 7/16, 1/2, 5/8")
- Square Hole Drill Bit Set: come with 1 square hole bit adapter and 5 square hole drill bits, Drill bits diameters: 1/ 4 Inch (6.4mm), 5/ 16 Inch (8mm), 7/16 Inch (11mm), 1/ 2 Inch (12.7mm), 5/8 Inch(16mm), and hand drill clamp diameters ranging from 38 to 55 mm/ 1.5 to 2.2 inches for easy installation and use; Please note that it is only suitable for bench drill and hand drill with clamps
- Quality Materials: the square hole drill bit adapter is made of quality carbon steel, strong and durable, can firmly fix the wood, the drill bit adapter measures about 6.3 inches/ 16 cm in length, upper inner diameter is about 0.75 inch/ 1.9 cm, lower diameter is about 2.17 inches/ 5.5 cm, reduce the use of error, specially designed with mortise bit accessories drill bit will not be blocked by wood chips, high hardness, no rolling, cutting speed, the bit is sharp, please take it out safely
- Efficient and Accurate: the bit adapter and the matching drill attachments in 5 sizes make it easier to use, and the precision design of the drill press mortise attachment ensures that you can drill the right mortise and mortise holes in the fastest way; More convenient and faster than mortise machine
- Widely Applicable: combines 1 square hole drill bit adapter with 5 square hole drill bits; This layout simplifies the process of drilling square holes in wooden planks; With this accessible and straightforward tool, you can reduce your efforts, catering to both beginners and workers; Appropriate for construction, carpentry DIY, decoration industry, which is suitable for compression board, plastic, density board, sandalwood, pine, ash, pine and other materials with low hardness
- Dual Support Bracket: square hole drill bits for wood are reliable and useful, suitable for bench drill and hand drill; Square hole bit adapters are ideal for woodworking, furniture manufacturing and other related industries
Rank No. #10
AeKeatDa 6pcs Square Hole Mortise Chisel Drill Bit Tools, 5/8" 9/16" 1/2" 3/8" 5/16" 1/4" for Precise Woodworking
- Precision and Versatility : This Square Hole Mortise Chisel Drill Bit set offers a range of sizes from 1/4 inch to 5/8 inch, providing precise and versatile options for various woodworking projects
- Durable High-Speed Steel : Crafted from HRC48~50 high-speed steel with heat treatment, these bits are exceptionally durable, ensuring longevity and reliable performance
- Time and Cost Efficiency : By reducing labor intensity and accelerating construction speed, these chisel drill bits effectively lower construction costs for professionals in the installation, decoration, and woodworking industries
- Double Effect Mortising : Compatible with mortise and tenon machines, these bits allow for dual-purpose functionality, enhancing efficiency and convenience in woodworking tasks
- Superior Compatibility : Designed to work seamlessly with a wide range of mortise and drill accessories, this set is suitable for all your mortising needs, making it a valuable addition to your toolkit
Last update on 2025-08-24 / Affiliate links / Images from Amazon Product Advertising API
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- Specifications: How powerful they are can be measured.
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- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Square Hole Drill Bit.
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