Wide Application - Our woodworking chamfer drilling tools can be mounted on an electric drill, hand electric drill, bench drill, etc.
They can be used to drill holes in wood, particle board, fiberboard, logs, plastic boards, PVC pipes, etc.

Complete Drill Set Package includes
7pcs 3-point countersink drill bit,
8pcs wood plug cutters,
6pcs countersink drill bits,
1pcs center punch for wood.
They can meet almost all professional or beginners' brick and wood hole extraction needs.
They are in metric size, and inches are converted.
3-pointed Countersink Drills - 3-point countersink drill bits include 3mm(0.11"), 4mm(0.15"), 5mm(0.19"), 6mm(0.23"), 7mm(0.27"), 8mm(0.31"), 9mm(0.35"),
10mm(0.39") for drilling pilot holes. Drill tips adopt a 3-point design for quick and accurate center punching, a large chip flute and five-edge chamfer allow
faster and easier discharge of sawdust.
Wood Plug Cutters- The wood plug set includes 4 standard plug cutters and 4 four-tooth chambered cutters. Their shank diameters are 9.5mm(0.37"),
tail diameters size are 6mm(1/4"), 10mm(3/8"), 13mm(1/2") and 16mm(5/8").
Countersink Drill Bits- 1/4" hex 5 flute 90 countersink drill's diameters are 6mm(1/4"), 8mm(5/16"), 9mm(3/8"), 12mm(1/2"), 16mm(5/8"), 19mm(3/4"),
90 angle on the point is designed for sharp and precise countersinking, and a five-flute designed with staggered cutting teeth can ensure free chip flow
and rapid chatter-free cutting.

Specifications:
Item Name: 23pcs woodworking chamfer drilling tool set
Item Material: High carbon steel
3-point Countersink Drill Bits Size: 3mm(0.11"), 4mm(0.15"), 5mm(0.19"), 6mm(0.23"), 7mm(0.27"), 8mm(0.31"), 9mm(0.35"), 10mm(0.39")
5 Flute 90 Countersink Drills Diameter: 6mm(1/4"), 8mm(5/16"), 9mm(3/8"), 12mm(1/2"), 16mm(5/8"), 19mm(3/4").
Shank Diameter of 5 Flute 90 Countersink Drill: 1/4" Tail Diameter of Wood Plug Cutter: 6mm(1/4"), 10mm(3/8"), 13mm(1/2") and 16mm(5/8")
Shank Diameter of Wood Plug Cutter: 9.5mm(0.37")
Center Punch Length: 5.1in
Package Weight: 1.4lb

What's in the box
8 x Wood Plug Cutter Drills
6 x 1/4" Hex Countersink Drill Bits
7 x 3/8" Round Shank Countersink Drill Bits
3 x Step Drills
1 x Automatic Center Punch
1 x L wrench