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Description
- 1. A set of four pieces, including common dimensions, 6.4mm = 1/4 inch, 8mm = 5/16 inch, 9.5mm = 3/8 inch, and 12.7mm = 1/2 inch.
- 2. Excellent quality, made of alloy steel material, not easy to be damaged.
- 3. Contains a heavy-duty positioning center punch tool, which is easy to mark.
Specification
Alloy Bits
High-performance material, strong and durable.
Protective Drill Sleeve
Protective drill bit, hole one-step molding, high efficiency and easy to use.
Round connecting rod
Widely suitable for bench drill, hand drill and lithium drill.
Widely Use
- These square hole mortise drill bits are suitable for tenoning wood, including high-density fiberboard, medium-density fiberboard, particleboard, pine, basswood etc.
- Not suit for processing metal, plastic, concrete, glass and gypsum board.
Package listing
- 1x 6.4mm (1/4 inch) Mortising Chisel Drill Bit
- 1x 8mm (5/16 inch) Mortising Chisel Drill Bit
- 1x 9.5mm (3/8 inch) Mortising Chisel Drill Bit
- 1x 12.7mm (1/2 inch) Mortising Chisel Drill Bit
- 1x Heavy Positioning Center Punch
Application
Attention
- These square hole drill bits need to be used with bench drill, hand drill larger than 800W or lithium drill larger than 48V.
- 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.
JB
Reviewed in the United States on September 29, 2024
These are fine as a basic set of bits and will work with a mortise drill press attachment. I say they are about the same as HF bits. I used them handful of times. However, I've found I usually end up just drilling out holes first and hand chiseling after. If I had a dedicated mortising tool, maybe that wouldn't be the case. Having to add and remove the attachment to use these usually isn't wort it.
Joe
Reviewed in the United States on July 18, 2024
Great set of mortise bits. They work great and are very easy to use. They are very sharp and plunge right through the wood. Great price
Customer
Reviewed in the United States on June 23, 2024
Got these to use with my portable mortising attachment for light work. These have been doing well in very soft woods, but simply do not work very well in hardwoods.
Marc
Reviewed in the United States on June 12, 2024
Very well constructed and comes with a punch for getting things aligned correctly. I got these for a hand drill so I will have to make a mounting device since they are intended for mortise machines. Each bit came with its own storage case. These are just the thing for making mortise and tenon joints or making cuts for inlays.
Bluebuck70
Reviewed in the United States on March 29, 2024
Unlike the drill bit, which is held by the chuck, the chisel slides up in a collar and is held by a set screw. Since the shank size of the chisel wasn’t indicated in the product description I mistakenly assumed they were all the same size. These turned out to be 3/4” and my machine used 5/8”. I’ll be returning them and it’s pretty obvious why they are a often returned item.
don caprio
Reviewed in the United States on October 26, 2024
The center punch died after just a few times of use.
JC
Reviewed in the United States on October 11, 2024
These mortising bits work well in a drill press, with a minimal amount of clean up when done. Nice to have the ability to drill square holes without spending significant money.
TimATX
Reviewed in the United States on November 23, 2023
Worked fine, hopefully lasts a long time.
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