Feature
●【Square Hole Drill Bit】The square hole drill bit set is suitable for all mortising machines and drill press attachments, as well as bench drilling machines. Square holes can be drilled in wood and some composite materials.
●【Durable Material】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.
●【Groove Design】The drill bits for square holes with high performance flute design geometry, combined with U-shaped edge, which can achieve excellent chip extraction and help you better improve drilling efficiency.
●【Various Sizes】The woodworking mortising chisel countersink bit kit includes four different sizes: 1/4 inch (6.4mm), 5/16 inch (8mm), 3/8 inch (9.5mm) and 1/2 inch (12.7mm). These square hole drills of different specifications are commonly used in our daily life.
●【 Application】The spiral woodworker hole saw kit needs to be used with mortise machine (not included). If you need to extend the square hole manually, you need to use tools such as electric drill and hammer. During use, please ensure that the board and the drill are at a 90 degree angle.
Description
Specification:
-Size: 6.35mm (1/4"), 7.94mm (5/16"), 9.5mm (3/8"), 12.7mm
-The dimension refers to the length of the square hole drilled by the square hole.
-The cylinder diameter of the clamped portion is 19mm/0.74inch.
-The square hole drilling core we sell are about 210mm, belong to longer drilling core.
-Material: Made of high speed steel, through heat processing, with high hardness drill bits, and sharp-edged square chisel, long life
Application: Used for woodworking punching
High working efficiency
With long drill core and square chisel, easy to lock the hole on the wood, then you can get different mortisers quickly. Also, it is labor saving.
Package Includes:
1 X 6.35mm (1/4") Twist Drill
1 X 7.94mm (5/16") Twist Drill
1 X 9.5mm (3/8") Twist Drill
1 X 12.7mm (1/2") Twist Drill
A Closer Look
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