2pcs 21mm Black Oxide High Speed Steel HSS 9341 1/2" Reduced Shank Drill Bits Brass Tube Couplers or backpack

or backpack

Connector Type: BNC 1 Male Jack to 2 Female

The L shape corner bracket used for setting up a right angle connection of the two aluminum profiles

it can bring a smooth surface

Weight:238g

2pcs 21mm Black Oxide High Speed Steel HSS 9341 1/2" Reduced Shank Drill Bits Brass Tube Couplers or backpackSpecifications: Cutting Diameter: 21mm 0. 83" Reduced Shank Diameter: 1 2" Cutting Edge Length: 60mm 2. 36" Overall Length: 150mm 6" Split Point Angle: 118 Degree Material: High Speed Steel 9341 Finish: Black Oxide Hardened to: HRC62 65 Package Content: 2pcs x Reduced Shank Drill Bits Descriptions: High speed steel tools combine hardness and toughness for wear resistance and durability. It can maintain the sharpness even at high temperatures. Black