Top 10 Best hollow chisel mortiser in 2026

Last Updated - 6/11/2026

🏆Best Choice

LNROE-K

LNROE-K Mortising Attachment for Drill Press, 4 Model Drills Square Hole Chisel Set, Mortise and Tenon Tools, Drill Press Mortising Attachment Kit, Woodworking Mortise Bench Drill Locator Set

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•【PACKAGE INCLUDES】 - Our Mortising Attachment for Drill Press Set include:locator,press block,side positioning rod,fixed seat and other accessories,also comes with 4 kinds of mortise chisel sizes for mortising machine:1/4 inch,1/2 inch,3/8 inch and 5/8 inch,these mortise and tenon tools are stored in our storage boxes for easy portable storage.
•【HIGH CUTTING EFFICIENCY】 - The product's square hole drill bit is made of high quality steel,specially designed drill attachments bit with mortiser will not be blocked by sawdust when used,high hardness,no rolled edge,fast cutting,the mortise chisels are too sharp,please pay attention to safety when taking out.
•【PLEASE NOTE】 - This product has certain size requirements for the matching bench drill, the group is suitable for the bench drill with drill diameter of 2.07inch,2.16inch,2.28inch,2.36inch. Bench top drill press,the vertical distance between the bench drill chuck and the the vertical distance between the bench drill chuck and the workbench is at least 15.7inch,otherwise it cannot be installed,please check the product specifications carefully through the pictures.
•【Application】- Tenon and groove accessories are table drill accessories. With this set of accessories, the drill press can be converted into a precision mortising and grooving machine. The drill bit will not clog when working and is very smooth. This product can reduce labor intensity and improve work efficiency. It is suitable for building construction, woodworking DIY, decoration industry. Recommended materials: Density board,plastic， sandalwood, pine, ash, pine and other less hard materials.
•【2 Year After-Sales Service】- If you have any dissatisfaction, or encounter problems during installation, please feel free to contact us, we will provide you with an exchange. Quality products and services are our top priority.

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$71.99

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Gisafai

Gisafai 6 Pc Square Hole Drill Bit Set for Wood Mortising Attachment Drill Press Hollow Chisel Mortise Drill Tool (1/4, 5/16, 3/8, 1/2, 9/16, 5/8'')

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Square Hole Drill Bit Set: come with 1 square hole bit adapter and 6 square hole drill bits, Drill bits diameters: 1/ 4 Inch (6.4mm), 5/ 16 Inch (8mm), 3/ 8 Inch (9.5mm), 1/ 2 Inch (12.7mm), 9/16 inch (14 mm), 5/8 inch (16 mm) 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 6 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 6 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

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$55.99

$59.99

-7%

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dcvbny

Square Hole Drill Bit & Adapter Set,Wood Mortiser Drill Bit Attachment,Mortising Chisel Set Drill Press Hollow Chisel Mortise Drill Tool for Mortise Machine (1/4, 5/16, 3/8, 2/5, 1/2, 9/16, 5/8")

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•MORTISING ATTACHMENT FOR DRILL PRESS: 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.
•WAHT YOU GET: You will receive 1 square hole bit adapter and 4 square hole drill bits, Drill bits diameters: 1/ 4 Inch (6.4mm), 5/ 16 Inch (8mm), 3/ 8 Inch (9.5mm), 1/ 2 Inch (12.7mm).
•Wood Mortising Chisel Set: The Woodworking Square Hole Drill Bits come with a wood mortising chisel set, which makes it easy to create precise and accurate square holes.The chisels are designed to fit perfectly with the drill bits, ensuring that the holes are clean and precise. This feature makes them an excellent tool for woodworkers who want to create high-quality and professional-looking woodworking projects.
•High-Speed Steel Material: these square hole drill bits made of high speed steel, through heat processing, with high hardness drill bits, and sharp-edged square chisel, long life use. It will get double effect by matched use with mortise and tenon machine.
•Widely Used: Great for drilling square holes in wood with a mortising machine or a mortising attachment. These woodworking morstising chisel bits can reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industrie.

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$79.56

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dcvbny

Square Hole Drill Bit Adapter Set,Woodworking Mortiser Drill Bit Attachment,Mortising Chisel Set Drill Press Hollow Chisel Mortise Drill Tool for Wood Mortise Machine(Adapter&1/2 1/4 3/8 5/16 Inch)

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Size: 1/2-Inch(12.7mm), 1/4-Inch(6.4mm), 3/8-Inch(9.5mm) , 5/16-Inch(8mm),Select 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.
•MORTISING ATTACHMENT FOR DRILL PRESS: 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.
•Wood Mortising Chisel Set: The Woodworking Square Hole Drill Bits come with a wood mortising chisel set, which makes it easy to create precise and accurate square holes.The chisels are designed to fit perfectly with the drill bits, ensuring that the holes are clean and precise. This feature makes them an excellent tool for woodworkers who want to create high-quality and professional-looking woodworking projects.
•High-Speed Steel Material: these square hole drill bits made of high speed steel, through heat processing, with high hardness drill bits, and sharp-edged square chisel, long life use. It will get double effect by matched use with mortise and tenon machine.
•Widely Used: Great for drilling square holes in wood with a mortising machine or a mortising attachment. These woodworking morstising chisel bits can reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industrie.

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$55.98

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Yuqutum

Square Hole Drill Bit Adapter and 7 pcs Square Hole Drill Bits, Easy Installation and Disassembly Mortising Attachment for Drill Press, Mortise Machine, Power Tool Accessory for Drill Machines

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Square Hole Drill Bit Kit: Comes with 1 square hole drill bit adapter and 7 square hole drill bits, drill diameters: 1/4" (6.4mm), 5/16" (8mm), 3/8" (9.5mm), 2/5" (10mm), 1/2" (12.7mm), 5/9" (14mm), 5/8" (16mm) and hand drill clamp diameters range from 38 to 55mm/1.5 to 2.2" for easy installation and use.
•Quality Materials: the square hole drill bit adapter is made of quality carbon steel, strong and can firmly fix the wood, reduce the use of error. The square hole mortise chisel drill set is made of the high quality steel. After heat treatment, the tool has high hardness, firmness and durability, and the square chisel is sharp and wear-resistant. The sturdy round handle helps you stay more stable during use.
•Efficient and Accurate: the bit adapter and the matching drill attachments in 7 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 Used: Great for drilling square holes in wood with a mortising machine or a mortising attachment. These woodworking morstising chisel bits can reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industrie.
•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.

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$61.99

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