YIXISI 7 PCS Countersink Drill Bit Set with Hex Key Wrench, 3 4 5 6 7 8 10mm, Woodworking Chamfer Carbon Steel Drill Bit Set, Countersink Twist Drill Bits Set for Plastic, Wood

• Countersink Drill Bit Set: Includes 8 pcs countersink drill bits in 7 different size (3mm/ 4mm/ 5mm/ 6mm/ 7mm/ 8mm/ 10mm) with hex key. With numbers on the drill bits for easy recognition, can meet your different needs.
• Quality Material: Countersink drill bits are made of high carbon steel which offer high hardness, superior cutting power, good abrasion resistance.
• Fast Chip Removal: Tri-cuspid point design ensures accurate and fast drilling without offset, slip and bias ; 5-edged sharp chatter-free chamfer hardened and honed cutter guarantees easy chip removing. With smooth counterbore drilled at a time to save you time and labor.
• Removeable & Adjustable: It is easy to adjust or disassemble the countersink drill bit and the five-flutes chamfering with the provided L-shape hex key.
• Wide Applications: The woodworking chamfer counter bit is widely used for plastic, PVC, rubber, partical board, hard wood or wooden floor ect. And it's suitable for drilling machines with chuck, most bench or hand drills.

Specification: Material: High carbon steel Drill size: : 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm Package includes: 7 × Countersink drill bit 1 × Hex wrench