ATOPLEE Square Hole Drill Bits for Wood,3pcs HSS Woodworking Square Mortise Drill Bit,5/16 Inch 3/8 Inch 1/2 Inch (All of Sizes)

Features

• [NOTE]Square hole drills need to be used with square hole drilling machines (square tenoning machines). The square hole drill bit is composed of a center drill core bit and a sharp outer drill sleeve. Using this drill bit (installed on a square tenon machine) to make a square hole is faster than using a chisel or other manual methods, and the size of the square hole is more accurate.
• [SHARP AND EFFICINET]The Square Hole Drill Bit is made of High-Speed Steel.The blade is sharp and wear-resistant, the overall heat treatment (heat treatment), high hardness , long service life, the drill sleeve has a U-shaped design to facilitate the discharge of wood chips and improve the drilling efficiency.
• [SIZE]Drilling core length: 7-7/8Inch(200mm) ; Slotting flute diameter: 5/16"(8mm), 3/8"(9.5mm),1/2"(12.7mm);Total weight:approx 161g/190g/240g.
• [USAGE] This square hole drill bit is suitable for wood, including MDF, MDF, particle board, channel wood, pine wood, basswood, etc. Note: It is not suitable for processing metal, glass, plastic, concrete, gypsum board etc.
• [INCLUDED ] 3pcs 5/16 3/8 1/2 Inch square drill bit.