5PCS Quick Change 8mm Round Shank Adjustable Countersink Drill Bit Set, 2.8-4mm Cone Drill Counterbore Router Drill Bit with Stop Screw for Woodworking Hole Drilling Opening Cutting Tools

• Specifications. Woodworking countersink bit set for wood screws without changing bits. Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew.
• Parameters. 8mm round shank router bit set included 5 kinds of sizes: 2.8 x 8mm, 3.0 x 8mm, 3.2 x 8mm, 3.5 x 8mm, 4.0 x 8mm bits, very suitable for drilling holes, opening range is 2.8-4mm, and adjustable cutting height: 2.5-10.5mm.
• Suitable for drilling machines with chucks such as lithium electric drills, hand drills, bench drills, etc. Provides precise, clean pilot holes in compressed board, plastic, MDF, pine and more. Perfect for woodworkers, DIY enthusiasts, home repairs and more.
• High Quality. Made of 45# steel, carbide tip: YG8, durable and corrosion resistant. Good toughness, wear resistance, strong drilling capacity.
• Premium Quality&Service. All our products are extensively tested to comply with rigorous and strict QC standards. We offer a 60-day refund guarantee.

Main Features: Specifications. Woodworking countersink bit set for wood screws without changing bits. Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew. Parameters. 8mm round shank router bit set included 5 kinds of sizes: 2.8 x 8mm, 3.0 x 8mm, 3.2 x 8mm, 3.5 x 8mm, 4.0 x 8mm bits, very suitable for drilling holes, opening range is 2.8-4mm, and adjustable cutting height: 2.5-10.5mm. Suitable for drilling machines with chucks such as lithium electric drills, hand drills, bench drills, etc. Provides precise, clean pilot holes in compressed board, plastic, MDF, pine and more. Perfect for woodworkers, DIY enthusiasts, home repairs and more. High Quality. Made of 45# steel, carbide tip: YG8, durable and corrosion resistant. Good toughness, wear resistance, strong drilling capacity. Specifications: Item type: Countersink Drill Bits Material: 45# steel, YG8 Sizes: 2.8 x 8mm, 3.0 x 8mm, 3.2 x 8mm, 3.5 x 8mm, 4.0 x 8mm Package Contents: 1 x Countersink Drill Bit Set Product Safety Disclaimer: We do not accept any responsibility or liability for misuse of this or any other product. All our products are extensively tested to comply with rigorous and strict QC standards. Professional Services: If you have any doubts about our products, please feel free to contact us. After you receive the product, if you have any question about the use of methods and product performance, we will provide you with professional, caring sales service.