61pcs Pin Vise Hand Drill Set Manual Craft Rotary Tools Manual Bits Hand Drill Set for Craft Carving Jewelry Making with PCB Mini Twist Drills

- Mini Jewelry Drill Bit. Precise hand drill set make small holes easily in resin, pearls, wood, plastic, polymer clay, bead, to make necklace, pendant, earring, bracelet, keychain, model, sculpture, etc. Clamping range: 0.3-3.2mm. - Twist Drills. 50pcs twist drill bits made of high speed steel. - PCB Mini Drills. 10pcs PCB drill bits made of tungsten carbide steel, shank diameter is approx 3.175mm, overall length is approx 38mm, suitable for processing PCB, normal FR-4, CEM-3 boards, SMT, CNC, molds, plastic, circuit board, carbon fiber, composite board, and so on. Reminder: The diameter of the drill bit is small, please control the strength when using it. Suitable for electronic assembling, tooling, model making, winding, home decorating and so on. Hand Drill Clamping Range: 0.3-3.2mm PCB Mini Drills Size: 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm,0.9mm, 1.0mm, 1.1mm, 1.2mm Twist Drills Size: 1.0mm(10pcs), 1.5mm(10pcs), 2.0mm(10pcs), 2.5mm(10pcs), 3.0mm(10pcs) Precautions for using PCB mini drill bits 1. When drilling, it is necessary to drill vertically and not use excessive force. Slowly twist the needle in one direction to drill. The needle cannot be forcibly broken or pried, otherwise it may be easily damaged. 2. When drilling holes, pay attention to cleaning the surrounding powder at any time while rotating. 3. Grasp the tail of the drill bit with your hand and slowly rotate it for drilling. When it is about to pass through, pay particular attention to reducing speed and strength. 4. If you feel that the needle becomes tight when rotating, please withdraw the needle and clean the hole powder before proceeding again. Specification: Material: Metal Color: Gold, Black Type: Hand Drill Package Include: 1 x Hand Drill 50 x Twist Drills 10 x PCB Mini Drills

• Mini Jewelry Drill Bit. Precise hand drill set make small holes easily in resin, pearls, wood, plastic, polymer clay, bead, to make necklace, pendant, earring, bracelet, keychain, model, sculpture, etc.
• Non-slip Rubber Sleeve Hand Drill. Ergonomic design, comfortable grip, stable grip, precise punching, durable and beautiful, efficient and labor saving. Removable three jaw chuck, aluminum alloy material, with surface oxidation resistance treatment, simple to use. Clamping range: 0.3-3.2mm.
• Twist Drills. 50pcs twist drill bits made of high speed steel, can be applied for handling wood, plastic, rubber, PVC, walnut, model, soft metal, amber, olive, fiberglass, and other materials.
• PCB Mini Drills. 10pcs PCB drill bits made of tungsten carbide steel, shank diameter is approx 3.175mm, overall length is approx 38mm, suitable for processing PCB, normal FR-4, CEM-3 boards, SMT, CNC, molds, plastic, circuit board, carbon fiber, composite board, and so on. Reminder: The diameter of the drill bit is small, please control the strength when using it.
• Compact And Portable. Compact size manual hand drill is good to store in a toolbox or in pocket, easy to carry and store, bring more convenience for you in daily work, suitable for electronic assembling, tooling, model making, winding, home decorating and so on.