1. Material: carbon steel2. Outer blade angle: 45 degrees3. Scope of application: wind screwdriver, electric drill, lithium electric drill, rechargeable drill, etc.4. Purpose: Used for perforating wood products, installing spherical door locks, drawer locks, plastic products, wood, plywood, etc.5. Hole diameter: 16/18/20/22/25mm6. Total length: about 13 cm7. Working length: about 80mm8. Internal thread of shank: M109. Weight: about 150g/set for 16mm, 170g/set for 18mm, 200g/set for 20mm, 230g/set for 22mm, 280g/set for 25mm10. A set of packing list: support drill x1, hexagonal air batch conversion head x1, electric wrench conversion head x1Features:1. Hexagonal shank air screw adapter + electric wrench adapter. after the air screw adapter is connected, it can be used on electric drills such as air screwdriver hand drills, lithium electric drills, and rechargeable drills. after the electric wrench adapter is connected, it can be used on electric wrenches.2. The opening is neat, deep hole operation, wear-resistant and durable3. Sharp hole without burr4. The head adopts a curved curve design with four grooves and four blades. the blade is sharp, which is conducive to chip removal. the punching speed is fast, the precision is high, and the function is wide5. Self-tapping drill point with right-hand taper self-tapping thread for accurate positioning6. M10 internal thread, suitable for type 100 angle grinder, electric wrench/hexagonal air batch conversion head7. The drill has undergone special heat treatment as a whole, with high hardnessSpecification: Package Weight One Package Weight 0.14kgs / 0.32lb One Package Size 15cm * 10cm * 2cm / 5.91inch * 3.94inch * 0.79inch Qty per Carton 120 Carton Weight 17.80kgs / 39.24lb Carton Size 42cm * 32cm * 32cm / 16.54inch * 12.6inch * 12.6inch Loading Container 20GP: 620 cartons * 120 pcs = 74400 pcs40HQ: 1439 cartons * 120 pcs = 172680 pcs