2pcs 20mm Black Oxide High Speed Steel HSS 9341 1/2" Reduced Shank Drill Bits Speaker Terminals Threaded Ports Quantity :5 Ports

Threaded Ports Quantity :5 Ports

Specifications: Material: 45# Steel

Impact Proof

Materials&Applications: Made of ceramic

Features: Made from EVA foam

2pcs 20mm Black Oxide High Speed Steel HSS 9341 1/2" Reduced Shank Drill Bits Speaker Terminals Threaded Ports Quantity :5 PortsSpecifications: Cutting Diameter: 20mm 0. 79" Reduced Shank Diameter: 1 2" Cutting Edge Length: 55mm 2. 17" 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