Square Hole Drill Bit Adapter with 4pcs Square Hole Drill Bit, Mortising Attachment for Drill Press, Mortise Machine, Power Tool Accessory for Drill Machines

Product Description

Square Hole Drill Bit Adapter and Square Hole Drill Bit Set

Specification:

Material: High Speed Steel (HSS)

Hardness: Up to HRC48~50

Square hole size: 1/4″ (6.4mm), 5/16″ (8mm), 3/8″ (9.5mm), 1/2″(12.7mm)

Suitable for bench drilling machine, mortising machine or a mortising attachment.

Package included:

1pcs Square Hole Drill Bit Adapter

4pcs Woodworking chisel drill bits

Suitable for ordinary electric hand drill and household small table drill.

Square Hole Drill Bit

How to install these square drill bit?

1. The drill core is very sharp. Please wear working gloves to avoid direct contact between your hands and the drill bit during 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, then adjust the angle of the drill shell to the top to ensure clamping, so that a 0.5~1mm gap can be formed between the drill core head and the inner bevel of the drill shell, which can prevent the bit from jamming during use .

Package Dimensions ‏ : ‎ 8.54 x 4.45 x 4.2 inches; 2.6 Pounds
Item model number ‏ : ‎ JTZT-0006
Date First Available ‏ : ‎ January 11, 2024
Manufacturer ‏ : ‎ UwinVwin
ASIN ‏ : ‎ B0CS2ZL594
Country of Origin ‏ : ‎ China

【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.