Multifunctional drill hand drill manual woodworking hole puncher handmade DIY special tool drill bit

Product DetailsDIY Woodworking Drill Hand Drill Teaching Supplies Tool All Steel Precision CastingProduct Specifications: 1/4 inch, 3/8 inchDrill Bit Clamping Range: 0.6-6mm (1/4 inch), 1.5-10mm (3/8 inch)Product Features:1. The drill frame and hand crank disc are cast using 45# steel material and precision silica sol casting process;2. Thickened high-strength ABS engineering plastic handle, the handle is hollow and can store spare drill chucks;3. Powder metallurgy process precision cast gears, high precision, quenched and hardened, wear-resistant;4. Double gear drive mechanism, flexible hand crank operation, not easy to jam;5. Uses a key chuck common to ordinary hand drills, with high clamping accuracy, and the drill bit is not easily eccentric, preventing breakage;Applicable Scope:The product does not require any power drive. The hand crank controls the speed and drilling position. It is easier to control and safer than electric drills. However, the speed is low, the efficiency is low, and the transmission torque is small. Therefore,it is not suitable for drilling harder metal materials, tiles, bricks, concrete, etc.;Suitable for wood, bamboo, soft thin sheet metal, copper, aluminum, plastic, PVC, acrylic, fiberglass board, circuit boards, etc.It is an ideal manual tool for woodworking, DIY enthusiasts, model enthusiasts, student hands-on experiments, teaching practice, etc.