Feature

●Unique chip removal port: The square hole drill holder has a unique chip removal port, which can effectively remove wood chips and improve drilling efficiency.
●【Fine Workmanship】 After fine polishing, these square drills have no burrs, drill smoothly and are heat-treated for durability.
●【U-grooves】The large-angle U-grooves cutting edge of the drill greatly improves the hole-opening efficiency.
●【Value】The drill bit can reduce the labor strength of workers, speed up construction and reduce construction costs.
●【Improve Work Efficiency】 The large-angle U-shaped groove cutting edge of this square hole drill can greatly improve the efficiency of hole drilling.


Description

Specification:
Condition: 100% Brand New
Item Type: 5/16in Drill Bit
Material: High Speed Steel
Color: Silver
Application: Used for square hole machine
Total Length: Approx. 209mm / 8.2in
Shank Diameter: Approx. 7.4mm / 0.29in
Slotting Depth: Approx. 53mm / 2.1in
Clamping Diameter: Approx. 20mm / 0.8in
Square Hole Diameter: Approx. 8mm / 0.31in

Package List:
1 x Drill Bit
1 x Square Hole Drill Bit Bracket

Note:
1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding.
2. This product is special and can not be used for machinery equipment such as table drill and electric hand drill.