ZJchao CounterSink Drill Bit Set, Countersink Drill Bit Kit, Countersink Hole Drilling Bits

1. Bending and Wear Resistant: The countersink drill bit is made of excellent alloy steel through precision machining using high-precision equipment, providing good chip removal, strong bending resistance, wear resistance, and durability. 2. DURABLE MATERIAL: The drill bit's structure is reasonably designed, the chamfer is made of #45 steel, attractive and durable, with excellent quality and detail. 3. FAST AND EFFICIENT: A spiral groove with a central drill bit quickly drains debris from the hole, effectively preventing debris buildup and improving drilling efficiency. 4. APPLICABLE SCENARIOS: The countersink drill bit can be used in wood, plastic, soft metal, fiberboard, for countersinking holes in aluminum alloy screws, for drilling holes, etc. 5. WITH FITTINGS: The countersink drill bit kit includes wrenches, hex keys, setting screws, and a storage box, convenient for use and storage. Specification: Item Type: Countersink Drill Bit Material: Alloy Steel Color: Silver Size: Approx. 2.8 x 10 mm / 0.11 x 0.39 in Application: Used for wood, plastic, soft metal, fiberboard, countersinking holes for aluminum alloy screws, drilling holes, etc. Package List: 1 x Countersink Drill Bit 1 x Wrench 1 x Hex Key 1 x Setting Screw 1 x Storage Box