High Speed Steel Woodworking Square Hole Mortise Drill Bit Set, Wood Mortising Chisel Countersink Drill Bits Adjustable Mortising Chisel Woodworking Tool Gift for Carpenter

4Pcs Woodworking Square Hole Drill Bits Wood Mortising Chisel Set Mortise Chisel Bit Kits Woodworking Hole Saw Sets with Twist Drill DIY Mortising Chisel Power Tools

Features:
Suitable for construction, installation, renovation, decoration industry, etc.
Ground and Hardened high speed steel for efficient performance and long life
Apply for woodworking project,construction,installation,decoration industry

Specification:
Material: High Speed Steel(HSS)
Hardness: Up to HRC48~50

Shape of hole: square, rectangle
Suitable for bench drilling machine, mortising machine or a mortising attachment

Package Included:
1PCS 1/4″ (6.4mm) Drill Bit
1PCS 5/16″ (7.94mm) Drill Bit
1PCS 3/8″ (9.5mm) Drill Bit
1PCS 1/2″ (12.7mm) Drill Bit

Package Dimensions ‏ : ‎ 8.43 x 3.82 x 1.1 inches; 1.37 Pounds
Date First Available ‏ : ‎ September 21, 2020
Manufacturer ‏ : ‎ cejue
ASIN ‏ : ‎ B08JLWZ6GW

High quality – these square hole drill bits made of high speed steel, through heat processing, with high hardness drill bits, and sharp-edged square chisel, long life
Widely Used – Great for drilling square holes in wood with a mortising machine or a mortising attachment.
Easy to Use – It will get double effect by matched use with mortise and tenon machine.The square hole punching needs to use electric drill, hammer or other tools.
Save time – these woodworking morstising chisel bits can reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industrie
Drills precise holes with little pressure — Using different specifications of the square hole drill, matching the appropriate power of the square hole machine, you can play a square hole to meet the requirements – 1/2-Inch(12.7mm), 1/4-Inch(6.4mm), 3/8-Inch(9.5mm) , 5/16-Inch(7.94mm)