ITEM NAME:4PCS 1/4'' Hex Shank HSS Metric Quick-Change Screw Thread Tap Drill Bit M3-M6 Product Description Description: 4pcs HSS 6542 Titanium Coated M3-M10 Combination Drill Tap Bit Set 1/4 Inch Hex Metric Deburr Countersink Bits Descriptions: Uses High Speed Steel 6542 material, higher hardness, more durable,can be used for drilling the steel plate even the 2mm 304 steel plate. Titanium Coated, rust-proof. Complete Hole Drilling, Tapping And Deburring/Countersinking In One Operation With Power Drill Saves Labor, Time. Applicable to some types of carbon steel and ordinary steel, copper and aluminum magnesium alloy drilling hole. Specifications: Type: Tap Drill Bit Material: High Speed Steel / HSS6542 Shank: 1/4" (6.35mm) hex shank Surface Treatment: Titanium Coated DIY Supplies: Metalworking Size: M3x0.5, M4x0.7, M5x0.8, M6x1 Included: 4 X Spiral Pointed Taps.Shank: 1/4" (6.35mm) hex shank. Type: Tap Drill Bit. Titanium Coated, rust-proof. Material: High Speed Steel / HSS6542. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item.
