Woodworking Square Hole Mortise Drill Bit, 5pcs HSS Mortising Chisel Bits Mortiser Press Attachments Tool Square Drill Bits Countersink Bits for MDF, Particleboard Sizes 1/4, 5/16, 7/16, 1/2, 5/8IN

Description

Warmly reminder:
The square hole drill bits are only fit for machine and bench drill, but not hand drill. Please make sure the drill and the wood board are at a 90-degree angle.
How to install these square drill bits?
1, These drill cores are very sharp. Wear working gloves to avoid direct contact between your hands and the drill bit all the way through installation.
2, Put the square drill shell and drill core into the jig of the square tenoning machine, and then hold the square hole drill bit by hand.
3, Take 0.5~1mm thick sheet (metal sheet or plastic sheet) and jam it at the step of the drill shell. After fixing the drill core, remove the sheet.
4,adjust the angle of the drill shell to the top to verify clamping, so that a 0.5~1mm gap may also be formed between the drill core head and the inner bevel of the drill shell, which can prevent the bit from jamming all the way through use .
Features:
* Made of high-speed steel, Heat remedy process, Sharp and wear-resistant bladed and not easy to break, square drill bit with high hardness ,long the use of life
* Designed with drilling point tip and 4 cutting corner, it can ensure fast drilling and penetrating into working pieces of wood very smooth and fast.
* These woodworking square hole drill bits are suitable for mortise and square hole machines, these drill bits are used to kinds of wood, such as solid wood, particleboard, MDF, and so on.
* One-time drilling a square hole, and the broken slag dust may also be discharged from the tube.
Specification:
Material: High speed steel
Hardness: HRC48-50
Size: 1/4″(6.4mm), 5/16″(8mm), 7/16″(9.5mm), 1/2″(12.7mm), 5/8″(mm)
These drill bits are specifically for opening square hole on wood board, very convenient.
Package list:
5pcs square drill bit
1/4″(6.4mm), 5/16″(8mm), 7/16″(9.5mm), 1/2″(12.7mm), 5/8″(mm)

Material: Woodworking square hole drill bits are made of high-speed steel, Heat remedy process, Sharp and wear-resistant bladed and not easy to break, square drill bit with high hardness ,long the use of life
High efficiency: The U-shaped long chip flute design facilitates removal of sawdust and improves drilling efficiency, Combination of long drill core and square chisel easy to drill square hole, saving labor and effort , reinforce work efficiency.
Multi Size available: Come with total 5pcs different size square drill bits, 1/4″(6.4mm), 5/16″(8mm), 7/16″(9.5mm), 1/2″(12.7mm), 5/8″(mm). Can meet most your needs.
Widely the use of occasion: These woodworking square hole drill bits are suitable for mortise and square hole machines (PLEASE ATTENTION: the square hole drill bits are suitable for machine and bench drill only, but not hand drill. Please make sure the drill bit and wood board are at a 90-degree angle.), and it widely used for construction, installation, renovation, decoration industry. Also, these drill bits can work on solid wood, particleboard, MDF, and so on.
Warranty: Our store provide quality service to customers , if in case you have any quality problems,you’ll contact us at any time, we will be able to try our best to solve your problems.