Sell CHILEAD Aluminum Countersink Drill Alloy HSS Drill Bit Set Screw Woodworking Chamfer Tool Quick Change 3mm 3.2mm 3.5mm 4mm best price

1pcs Countersink Drill Bit Set Screw Woodworking Chamfer Tools Quick Change Feature: 100% brand new and high quality Special designed steel counter sleeve countersinks or counter bores pilot hole. Adjustable counter sleeve depth with Allen wrench. Standard hex shank is quick change compatible. Drill and countersink for wood screws without changing bits. Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew. Compatible with drilling machines with chuck, for drilling on wood or wooden floor. It is recommended to use the center punch for position before drilling, keep the drill bit. Description: Drill material: HSS Blade material: tungsten steel Chamfering machine material: 45# steel Color: Orange+Silver Shank type: round shank Size:2.8 x 8mm,3 x 8mm,3.2 x 8mm,3.5 x 8mm,4 x 8mm Package Contents: 1 x Countersink drill bit #carbon, HSS Drill bits