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4 Pcs Square Hole Drill Bit Set,1/4", 5/16", 3/8", 1/2" Mortise Chisel Drill Bits Set,HSS Square Wood Chisel Drill Bit Sets for Woodworking

KWD 8
Brand
YWHWXB
Weight
0.7 kg
All electronics ship with US style plugs. You may need a voltage converter or a plug adapter.
– 1 +

Special Features

  • Square Hole Drill Bits: The square hole drill bits set can be drilled in wood and some composite materials, such as MDF, particle board, pine wood, basswood, etc. During use, please ensure that the board and the drill are at a 90 degree angle.
  • 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.
  • Premium 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.
  • Wide Applications: It can be used together with a tenon and tenon machine to achieve dual effects, and cannot be used with a manual electric drill and a common drill stand (non-square tenon machine). Suitable for construction, installation, decoration, decoration industry, etc.
  • Warm Attentions: The square hole drill bits are not suitable for a hand-held drill, it must be used with a mortise machine. If you want to use these square drill bits with a drill press, additional accessories will be required.

Description

Specifications:
Material: High Speed Steel
Hardness: HRC48~50
Dimension & Weight:
1/4” Drill – Bit diameter 6.4mm, shank diameter 4.4mm, weighs 117g
5/16” Drill – Bit diameter 8mm, shank diameter 5.8mm, weighs 140g
3/8” Drill – Bit diameter 9,5mm, shank diameter 6.9mm, weighs 170g
1/2” Drill – Bit diameter 12.7mm, shank diameter 9.5mm, weighs 210g

Package Includes:
4 x Square Hole Drill Bits

Tips:
- Square hole drill can not be used on an electric drill. Drill square holes need to fit a square hole drill drilling (mortise and tenon machine) to use.
- If you want the square hole to be tidier, please chisel the detail part by hand.

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